3BCN | pdb_00003bcn

Crystal structure of a papain-like cysteine protease Ervatamin-A complexed with irreversible inhibitor E-64

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)
B	d3bcnb_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	automated matches	(Tabernaemontana divaricata ) [TaxId: 52861 ],	SCOPe (2.08)
A	d3bcna_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	automated matches	(Tabernaemontana divaricata ) [TaxId: 52861 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Cysteine proteinases	8066325	3001808	SCOP2B (2022-06-29)
A	SCOP2 Family	Papain-like	8066324	4000859	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Cysteine proteinases	8066325	3001808	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Prenyltransf	e3bcnB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: Prenyltransf	ECOD (v294.1)
A	Peptidase_C1	e3bcnA1	A: a/b three-layered sandwiches	X: Profilin-like	H: sensor domains	T: sensor domains	F: Peptidase_C1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)
A	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Ervatamin-A	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity	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	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A, B	IPR000169	Cysteine peptidase, cysteine active site	Active Site
A, B	IPR025660	Cysteine peptidase, histidine active site	Active Site
A, B	IPR013128	Peptidase C1A	Family
A, B	IPR000668	Peptidase C1A, papain C-terminal	Domain
A, B	IPR039417	Papain-like cysteine endopeptidase	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.