4QH6 | pdb_00004qh6

Crystal structure of cruzain with nitrile inhibitor N-(2-AMINOETHYL)-NALPHA-BENZOYL-L-PHENYLALANINAMIDE

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
E	d4qh6e_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
D	d4qh6d_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
C	d4qh6c_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
B	d4qh6b_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d4qh6a_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E	SCOP2B Superfamily	Cysteine proteinases	8043440	3001808	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cysteine proteinases	8043440	3001808	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cysteine proteinases	8043440	3001808	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cysteine proteinases	8043440	3001808	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cysteine proteinases	8043440	3001808	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)
E	Peptidase_C1	e4qh6E1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
D	Peptidase_C1	e4qh6D1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
C	Peptidase_C1	e4qh6C1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
B	Peptidase_C1	e4qh6B1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
A	Peptidase_C1	e4qh6A1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	PF00112	Papain family cysteine protease (Peptidase_C1)	Papain family cysteine protease		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Cruzipain	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR021981	Domain of unknown function DUF3586	Domain
A, B, C, D, E	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A, B, C, D, E	IPR025661	Cysteine peptidase, asparagine active site	Active Site
A, B, C, D, E	IPR000169	Cysteine peptidase, cysteine active site	Active Site
A, B, C, D, E	IPR025660	Cysteine peptidase, histidine active site	Active Site
A, B, C, D, E	IPR013128	Peptidase C1A	Family
A, B, C, D, E	IPR000668	Peptidase C1A, papain C-terminal	Domain
A, B, C, D, E	IPR013201	Cathepsin propeptide inhibitor domain (I29)	Domain
A, B, C, D, E	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.