3QYD | pdb_00003qyd

Crystal structure of a recombinant chimeric trypsin inhibitor

External Resource: Annotation

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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth B]	d3qydb_	All beta proteins	beta-Trefoil	STI-like	Kunitz (STI) inhibitors	automated matches	Goa bean,asparagus bean,asparagus pea,winged beans (Psophocarpus tetragonolobus ) [TaxId: 3891 ],	SCOPe (2.08)
B [auth C]	d3qydc_	All beta proteins	beta-Trefoil	STI-like	Kunitz (STI) inhibitors	automated matches	Goa bean,asparagus bean,asparagus pea,winged beans (Psophocarpus tetragonolobus ) [TaxId: 3891 ],	SCOPe (2.08)
A	d3qyda_	All beta proteins	beta-Trefoil	STI-like	Kunitz (STI) inhibitors	automated matches	Goa bean,asparagus bean,asparagus pea,winged beans (Psophocarpus tetragonolobus ) [TaxId: 3891 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth B]	SCOP2B Superfamily	STI-like	8042035	3000715	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	STI-like	8042035	3000715	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	STI-like	8042035	3000715	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)
C [auth B]	PQQ_2	e3qydB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: PQQ_2	ECOD (v294.1)
B [auth C]	PQQ_2	e3qydC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: PQQ_2	ECOD (v294.1)
A	PQQ_2	e3qydA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: PQQ_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth B]	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		CATH (4.3.0)
B [auth C]	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		CATH (4.3.0)
A	2.80.10.50	Mainly Beta	Trefoil	Trefoil (Acidic Fibroblast Growth Factor, subunit A)		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C], C [auth B]	Chymotrypsin inhibitor 3	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C], C [auth B]	IPR002160	Proteinase inhibitor I3, Kunitz legume	Family
A, B [auth C], C [auth B]	IPR011065	Kunitz inhibitor STI-like 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.