Annotations: 4KLB

Crystal Structure of Cruzain in complex with the non-covalent inhibitor Nequimed176

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)
E	d4klbe_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
D	d4klbd_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
C	d4klbc_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
B	d4klbb_	Alpha and beta proteins (a+b)	Cysteine proteinases	Cysteine proteinases	Papain-like	Cruzain	(Trypanosoma cruzi ) [TaxId: 5693 ],	SCOPe (2.08)
A	d4klba_	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	Methyltransf_11	e4klbE1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Methyltransf_11	ECOD (v294.2)
D	Methyltransf_11	e4klbD1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Methyltransf_11	ECOD (v294.2)
C	Methyltransf_11	e4klbC1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Methyltransf_11	ECOD (v294.2)
B	Methyltransf_11	e4klbB1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Methyltransf_11	ECOD (v294.2)
A	Methyltransf_11	e4klbA1	A: beta barrels	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Methyltransf_11	ECOD (v294.2)

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)

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

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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.