8OIX

CryoEM structure of 20S Trichomonas vaginalis proteasome in complex with proteasome inhibitor Salinosporamid A

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, O	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
A, O	PF10584	Proteasome subunit A N-terminal signature (Proteasome_A_N)	Proteasome subunit A N-terminal signature	-	Family
J, X	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
K, Y	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
L, Z	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
AA [auth a], M	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
BA [auth b], N	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
B, P	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
C, Q	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
C, Q	PF10584	Proteasome subunit A N-terminal signature (Proteasome_A_N)	Proteasome subunit A N-terminal signature	-	Family
D, R	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
D, R	PF10584	Proteasome subunit A N-terminal signature (Proteasome_A_N)	Proteasome subunit A N-terminal signature	-	Family
E, S	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
F, T	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
F, T	PF10584	Proteasome subunit A N-terminal signature (Proteasome_A_N)	Proteasome subunit A N-terminal signature	-	Family
G, U	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
G, U	PF10584	Proteasome subunit A N-terminal signature (Proteasome_A_N)	Proteasome subunit A N-terminal signature	-	Family
H, V	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain
I, W	PF00227	Proteasome subunit (Proteasome)	Proteasome subunit	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity ...	The proteasome is a multisubunit structure that degrades proteins. Protein degradation is an essential component of regulation because proteins can become misfolded, damaged, or unnecessary. Proteasomes and their homologues vary greatly in complexity: from HslV (heat shock locus v), which is encoded by 1 gene in bacteria, to the eukaryotic 20S proteasome, which is encoded by more than 14 genes [1]. Recently evidence of two novel groups of bacterial proteasomes was proposed. The first is Anbu, which is sparsely distributed among cyanobacteria and proteobacteria [1]. The second is call beta-proteobacteria proteasome homologue (BPH) [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, O	Family T1, proteasome alpha subunit, threonine peptidase	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
J, X	Proteasome subunit beta	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
K, Y	Proteasome subunit beta	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
L, Z	Proteasome subunit beta	peptidase activity catalytic activity, acting on a protein threonine-type peptidase activity hydrolase activity catalytic activity endopeptidase activity threonine-type endopeptidase activity	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
AA [auth a], M	Proteasome subunit beta	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
BA [auth b], N	Family T1, proteasome beta subunit, threonine peptidase	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
B, P	Family T1, proteasome alpha subunit, threonine peptidase	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	protein-containing complex intracellular anatomical structure proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex cellular anatomical entity intracellular protein-containing complex
C, Q	Proteasome subunit alpha type	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
D, R	Proteasome subunit alpha type	peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity endopeptidase activity	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex proteasome core complex, alpha-subunit complex membrane-bounded organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex proteasome core complex, alpha-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
E, S	Proteasome subunit alpha type	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
F, T	Family T1, proteasome alpha subunit, threonine peptidase	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	protein-containing complex intracellular anatomical structure proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex cellular anatomical entity intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus protein-containing complex intracellular anatomical structure proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex cellular anatomical entity intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
G, U	Family T1, proteasome alpha subunit, threonine peptidase	-	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex proteasome core complex, alpha-subunit complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
H, V	Proteasome subunit beta	peptidase activity catalytic activity, acting on a protein threonine-type peptidase activity hydrolase activity catalytic activity endopeptidase activity threonine-type endopeptidase activity	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
I, W	proteasome endopeptidase complex	peptidase activity catalytic activity, acting on a protein threonine-type peptidase activity hydrolase activity catalytic activity endopeptidase activity threonine-type endopeptidase activity	organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process organonitrogen compound catabolic process organonitrogen compound metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process proteasomal protein catabolic process protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process macromolecule catabolic process modification-dependent macromolecule catabolic process modification-dependent protein catabolic process proteolysis ubiquitin-dependent protein catabolic process metabolic process protein metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex proteasome core complex intracellular protein-containing complex proteasome core complex, beta-subunit complex membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, O	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
A, O	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
A, O	IPR023332	Proteasome alpha-type subunit	Family
A, O	IPR001353	Proteasome, subunit alpha/beta	Family
J, X	IPR016050	Proteasome beta-type subunit, conserved site	Conserved Site
J, X	IPR023333	Proteasome B-type subunit	Family
J, X	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
J, X	IPR001353	Proteasome, subunit alpha/beta	Family
J, X	IPR033811	Proteasome beta 3 subunit	Family
K, Y	IPR023333	Proteasome B-type subunit	Family
K, Y	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
K, Y	IPR001353	Proteasome, subunit alpha/beta	Family
K, Y	IPR035206	Proteasome subunit beta 2	Family
L, Z	IPR016050	Proteasome beta-type subunit, conserved site	Conserved Site
L, Z	IPR023333	Proteasome B-type subunit	Family
L, Z	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
L, Z	IPR001353	Proteasome, subunit alpha/beta	Family
L, Z	IPR000243	Peptidase T1A, proteasome beta-subunit	Family
AA [auth a], M	IPR016050	Proteasome beta-type subunit, conserved site	Conserved Site
AA [auth a], M	IPR023333	Proteasome B-type subunit	Family
AA [auth a], M	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
AA [auth a], M	IPR001353	Proteasome, subunit alpha/beta	Family
BA [auth b], N	IPR023333	Proteasome B-type subunit	Family
BA [auth b], N	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
BA [auth b], N	IPR016295	Proteasome subunit beta 4	Family
BA [auth b], N	IPR001353	Proteasome, subunit alpha/beta	Family
B, P	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
B, P	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
B, P	IPR023332	Proteasome alpha-type subunit	Family
B, P	IPR001353	Proteasome, subunit alpha/beta	Family
C, Q	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
C, Q	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
C, Q	IPR023332	Proteasome alpha-type subunit	Family
C, Q	IPR001353	Proteasome, subunit alpha/beta	Family
D, R	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
D, R	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
D, R	IPR023332	Proteasome alpha-type subunit	Family
D, R	IPR001353	Proteasome, subunit alpha/beta	Family
E, S	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
E, S	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
E, S	IPR023332	Proteasome alpha-type subunit	Family
E, S	IPR001353	Proteasome, subunit alpha/beta	Family
F, T	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
F, T	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
F, T	IPR023332	Proteasome alpha-type subunit	Family
F, T	IPR001353	Proteasome, subunit alpha/beta	Family
G, U	IPR000426	Proteasome alpha-subunit, N-terminal domain	Domain
G, U	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
G, U	IPR001353	Proteasome, subunit alpha/beta	Family
H, V	IPR016050	Proteasome beta-type subunit, conserved site	Conserved Site
H, V	IPR023333	Proteasome B-type subunit	Family
H, V	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
H, V	IPR001353	Proteasome, subunit alpha/beta	Family
H, V	IPR000243	Peptidase T1A, proteasome beta-subunit	Family
I, W	IPR023333	Proteasome B-type subunit	Family
I, W	IPR029055	Nucleophile aminohydrolases, N-terminal	Homologous Superfamily
I, W	IPR001353	Proteasome, subunit alpha/beta	Family
I, W	IPR000243	Peptidase T1A, proteasome beta-subunit	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.

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8OIX

CryoEM structure of 20S Trichomonas vaginalis proteasome in complex with proteasome inhibitor Salinosporamid A

External Resource: Annotation

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage