Annotations: 3VTA

Crystal Structure of cucumisin, a subtilisin-like endoprotease from Cucumis melo L

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Usher	e3vtaB2	A: beta barrels	X: Inserted helical domain in fatty acid synthase subunit beta	H: Voltage-gated ion channels	T: Voltage-gated ion channels	F: Usher	ECOD (v294.2)
B	VP4_haemagglut	e3vtaB3	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: VP4_haemagglut	ECOD (v294.2)
A	zf-CW	e3vtaA1	A: beta barrels	X: Periplasmic binding protein-like II	H: Hairpin loop containing domain-like	T: ACT-like	F: zf-CW	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.200	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Peptidase S8/S53 domain	CATH (4.3.0)
B	3.50.30.30	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)
B	2.60.40.2310	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	3.40.50.200	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Peptidase S8/S53 domain	CATH (4.3.0)
A	3.50.30.30	Alpha Beta	3-Layer(bba) Sandwich	Glucose Oxidase	domain 1	CATH (4.3.0)
A	2.60.40.2310	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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
A, B	PF17766	Fibronectin type-III domain (fn3_6)	Fibronectin type-III domain	This FN3 like domain is found at the C-terminus of cucumisin proteins [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cucumisin	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	response to symbiont biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to symbiotic bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus proteolysis metabolic process cellular process primary metabolic process protein metabolic process response to symbiont biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to symbiotic bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR023828	Peptidase S8, subtilisin, Ser-active site	Active Site
A, B	IPR041469	Subtilisin-like protease, fibronectin type-III domain	Domain
A, B	IPR010259	Peptidase S8 propeptide/proteinase inhibitor I9	Domain
A, B	IPR000209	Peptidase S8/S53 domain	Domain
A, B	IPR015500	Peptidase S8, subtilisin-related	Family
A, B	IPR036852	Peptidase S8/S53 domain superfamily	Homologous Superfamily
A, B	IPR045051	Subtilisin-like protease	Family
A, B	IPR034197	Cucumisin-like catalytic domain	Domain
A, B	IPR037045	Peptidase S8 propeptide/proteinase inhibitor I9 superfamily	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.