3M88 | pdb_00003m88

Crystal structure of the cysteine protease inhibitor, EhICP2, from Entamoeba histolytica

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Inhibitor_I42	e3m88B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Inhibitor_I42	ECOD (1.6)
A	Inhibitor_I42	e3m88A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Inhibitor_I42	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.2020	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
A	2.60.40.2020	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09394	Chagasin family peptidase inhibitor I42 (Inhibitor_I42)	Chagasin family peptidase inhibitor I42	Chagasin is a cysteine peptidase inhibitor [1] which forms a beta barrel structure [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Amoebiasin-2	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity cysteine-type endopeptidase inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity protein binding binding enzyme binding	-	membrane-bounded organelle intracellular anatomical structure intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle endocytic vesicle lytic vacuole vacuole membrane-bounded organelle intracellular anatomical structure intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle endocytic vesicle lytic vacuole vacuole lysosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036331	Chagasin-like superfamily	Homologous Superfamily
A, B	IPR018990	Proteinase inhibitor I42, chagasin	Domain
A, B	IPR052781	Cysteine protease inhibitor I42	Family

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.