Annotations: 2N3T

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KOG1858_2nd	e2n3tA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: KOG1858_2nd	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01851	Proteasome/cyclosome repeat (PC_rep)	Proteasome/cyclosome repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	26S proteasome regulatory subunit RPN1	enzyme regulator activity molecular function regulator activity protein-macromolecule adaptor activity molecular adaptor activity	catabolic process proteolysis involved in protein catabolic process primary metabolic process 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 regulation of biological process regulation of protein metabolic process catabolic process proteolysis involved in protein catabolic process primary metabolic process 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 regulation of biological process regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process regulation of catabolic process regulation of primary metabolic process regulation of metabolic process regulation of protein catabolic process proteasomal protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process	protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex intracellular anatomical structure proteasome regulatory particle cellular anatomical entity proteasome accessory complex proteasome regulatory particle, base subcomplex cytoplasm intracellular organelle organelle protein-containing complex catalytic complex peptidase complex proteasome complex endopeptidase complex intracellular protein-containing complex intracellular anatomical structure proteasome regulatory particle cellular anatomical entity proteasome accessory complex proteasome regulatory particle, base subcomplex cytoplasm intracellular organelle organelle intracellular non-membrane-bounded organelle proteasome storage granule non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR041433	26S proteasome non-ATPase regulatory subunit RPN1, C-terminal	Domain
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR002015	Proteasome/cyclosome repeat	Repeat
A	IPR016643	26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit	Family
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR040892	RPN1, N-terminal	Domain

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 R01GM157729.