Annotations: 3I6S

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cucumisin_fn3_like	e3i6sA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Cucumisin_fn3_like	ECOD (1.6)
A	UNK_F_TYPE	e3i6sA4	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: UNK_F_TYPE	ECOD (1.6)
A	Peptidase_S8	e3i6sA2	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like (From Topology)	T: Subtilisin-like	F: Peptidase_S8	ECOD (1.6)
B	Cucumisin_fn3_like	e3i6sB3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Cucumisin_fn3_like	ECOD (1.6)
B	UNK_F_TYPE	e3i6sB4	A: a/b three-layered sandwiches	X: The swivelling beta/beta/alpha domains	H: The swivelling beta/beta/alpha domain (From Topology)	T: The swivelling beta/beta/alpha domain	F: UNK_F_TYPE	ECOD (1.6)
B	Peptidase_S8	e3i6sB2	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like (From Topology)	T: Subtilisin-like	F: Peptidase_S8	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

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	Subtilisin-like protease	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity 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	proteolysis self proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process cellular catabolic process catabolic process peptide metabolic process peptide catabolic process response to stimulus response to stress response to wounding proteolysis self proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process cellular catabolic process catabolic process peptide metabolic process peptide catabolic process response to stimulus response to stress response to wounding regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process positive regulation of macromolecule metabolic process regulation of metabolic process positive regulation of cellular process galacturonan metabolic process plant-type cell wall organization or biogenesis cell wall organization or biogenesis cell wall organization regulation of polysaccharide metabolic process regulation of primary metabolic process cellular component organization polysaccharide metabolic process cell wall pectin metabolic process cellular component organization or biogenesis regulation of carbohydrate metabolic process carbohydrate metabolic process pectin metabolic process regulation of cell wall pectin metabolic process plant-type cell wall organization external encapsulating structure organization cell wall modification plant-type cell wall modification defense response regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus defense response to insect biological process involved in interspecies interaction between organisms regulation of response to external stimulus positive regulation of defense response to insect response to biotic stimulus positive regulation of response to stimulus positive regulation of response to external stimulus regulation of response to stress regulation of defense response to insect response to external biotic stimulus response to other organism response to external stimulus regulation of response to stimulus defense response to other organism positive regulation of defense response	cellular anatomical structure extracellular region extracellular space

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

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.