2Z2Y

Crystal structure of autoprocessed form of Tk-subtilisin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Subtilisin-like	8069705	3000226	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Subtilisin-like	8069705	3000226	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Peptidase_S8	e2z2yA1	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like (From Topology)	T: Subtilisin-like	F: Peptidase_S8	ECOD (1.6)
C	Peptidase_S8	e2z2yC1	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like (From Topology)	T: Subtilisin-like	F: Peptidase_S8	ECOD (1.6)
B	Inhibitor_I9	e2z2yB1	A: a+b two layers	X: Alpha-beta plaits	H: Protease propeptides/inhibitors (From Topology)	T: Protease propeptides/inhibitors	F: Inhibitor_I9	ECOD (1.6)
D	Inhibitor_I9	e2z2yD1	A: a+b two layers	X: Alpha-beta plaits	H: Protease propeptides/inhibitors (From Topology)	T: Protease propeptides/inhibitors	F: Inhibitor_I9	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.200	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Peptidase S8/S53 domain	CATH (4.3.0)
C	3.40.50.200	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Peptidase S8/S53 domain	CATH (4.3.0)
B	3.30.70.80	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Peptidase S8 propeptide/proteinase inhibitor I9	CATH (4.3.0)
D	3.30.70.80	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Peptidase S8 propeptide/proteinase inhibitor I9	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00082	Subtilase family (Peptidase_S8)	Subtilase family	Subtilases are a family of serine proteases. They appear to have independently and convergently evolved an Asp/Ser/His catalytic triad, like that found in the trypsin serine proteases (see Pfam:PF00089). Structure is an alpha/beta fold containing a 7 ...	Subtilases are a family of serine proteases. They appear to have independently and convergently evolved an Asp/Ser/His catalytic triad, like that found in the trypsin serine proteases (see Pfam:PF00089). Structure is an alpha/beta fold containing a 7-stranded parallel beta sheet, order 2314567.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Tk-subtilisin	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity identical protein binding protein binding binding	proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	extracellular region cellular anatomical entity
B, D	Tk-subtilisin	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity identical protein binding protein binding binding	proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR015500	Peptidase S8, subtilisin-related	Family
A, C	IPR023828	Peptidase S8, subtilisin, Ser-active site	Active Site
A, C	IPR036852	Peptidase S8/S53 domain superfamily	Homologous Superfamily
A, C	IPR023827	Peptidase S8, subtilisin, Asp-active site	Active Site
A, C	IPR051048	Peptidase S8/S53 subtilisin kexin sedolisin	Family
A, C	IPR037045	Peptidase S8 propeptide/proteinase inhibitor I9 superfamily	Homologous Superfamily
A, C	IPR000209	Peptidase S8/S53 domain	Domain
A, C	IPR034202	Subtilisin Carlsberg-like catalytic domain	Domain
B, D	IPR015500	Peptidase S8, subtilisin-related	Family
B, D	IPR023828	Peptidase S8, subtilisin, Ser-active site	Active Site
B, D	IPR036852	Peptidase S8/S53 domain superfamily	Homologous Superfamily
B, D	IPR023827	Peptidase S8, subtilisin, Asp-active site	Active Site
B, D	IPR051048	Peptidase S8/S53 subtilisin kexin sedolisin	Family
B, D	IPR037045	Peptidase S8 propeptide/proteinase inhibitor I9 superfamily	Homologous Superfamily
B, D	IPR000209	Peptidase S8/S53 domain	Domain
B, D	IPR034202	Subtilisin Carlsberg-like catalytic domain	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.