3W57 | pdb_00003w57

Structure of a C2 domain

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	C2	e3w57B1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: C2	ECOD (v294.1)
A	RQC	e3w57A1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: RQC	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.150	Mainly Beta	Sandwich	Immunoglobulin-like	C2 domain	CATH (4.3.0)
A	2.60.40.150	Mainly Beta	Sandwich	Immunoglobulin-like	C2 domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	C2 domain protein	wide pore channel activity passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	multicellular organismal process immunological synapse formation cell-cell recognition immune system process cell activation cell recognition cellular process lymphocyte activation leukocyte activation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated cytotoxicity lymphocyte mediated immunity T cell mediated immunity response to stimulus multicellular organismal process immunological synapse formation cell-cell recognition immune system process cell activation cell recognition cellular process lymphocyte activation leukocyte activation adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated cytotoxicity lymphocyte mediated immunity T cell mediated immunity response to stimulus immune response leukocyte mediated cytotoxicity adaptive immune response immune effector process leukocyte mediated immunity cell killing biological process involved in interspecies interaction between organisms defense response to virus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR052784	Perforin-1 pore-forming	Family
A, B	IPR000008	C2 domain	Domain
A, B	IPR035892	C2 domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Monotopic/peripheral	All beta monotopic/peripheral	C2 domain	C2 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.

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