Annotations: 6ISA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e6isaA1	A: PriB N-terminal domain-like	X: Rubredoxin-related	H: Aconitase iron-sulfur domain	T: Cytochrom_B562	F:	ECOD (20:10:01)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07686	Immunoglobulin V-set domain (V-set)	Immunoglobulin V-set domain	This domain is found in antibodies as well as neural protein P0 and CTL4 amongst others.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CD226 antigen	molecular transducer activity signaling receptor activity cell adhesion molecule binding protein-containing complex binding protein binding binding integrin binding signaling receptor binding kinase binding enzyme binding protein kinase binding identical protein binding	lymphocyte mediated immunity biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus leukocyte mediated cytotoxicity response to biotic stimulus immune effector process immune system process defense response to other organism response to stress natural killer cell mediated cytotoxicity lymphocyte mediated immunity biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus leukocyte mediated cytotoxicity response to biotic stimulus immune effector process immune system process defense response to other organism response to stress natural killer cell mediated cytotoxicity innate immune response leukocyte mediated immunity cellular process response to external biotic stimulus natural killer cell mediated immunity cell killing regulation of immune effector process positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process positive regulation of leukocyte mediated cytotoxicity positive regulation of immune response positive regulation of natural killer cell mediated immunity regulation of immune system process positive regulation of immune system process regulation of biological process regulation of natural killer cell mediated immunity regulation of innate immune response regulation of leukocyte mediated immunity regulation of response to stimulus positive regulation of defense response regulation of immune response positive regulation of natural killer cell mediated cytotoxicity regulation of cell killing positive regulation of cell killing regulation of defense response regulation of response to biotic stimulus regulation of natural killer cell mediated cytotoxicity regulation of response to external stimulus positive regulation of lymphocyte mediated immunity positive regulation of biological process positive regulation of response to stimulus positive regulation of response to external stimulus regulation of response to stress positive regulation of immune effector process positive regulation of cellular process positive regulation of innate immune response regulation of leukocyte mediated cytotoxicity biological regulation regulation of lymphocyte mediated immunity cellular response to stimulus positive regulation of cell communication immune response-regulating cell surface receptor signaling pathway positive regulation of signal transduction positive regulation of T cell receptor signaling pathway signaling regulation of antigen receptor-mediated signaling pathway regulation of signal transduction cell communication immune response-activating signaling pathway immune response-regulating signaling pathway signal transduction regulation of signaling cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway regulation of T cell receptor signaling pathway T cell receptor signaling pathway regulation of cell communication antigen receptor-mediated signaling pathway activation of immune response positive regulation of antigen receptor-mediated signaling pathway positive regulation of signaling multicellular organismal process regulation of natural killer cell cytokine production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process cytokine production positive regulation of macromolecule metabolic process regulation of cytokine production involved in immune response regulation of gene expression biosynthetic process positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of production of molecular mediator of immune response positive regulation of cytokine production regulation of metabolic process natural killer cell cytokine production positive regulation of biosynthetic process regulation of cytokine production regulation of multicellular organismal process cytokine production involved in immune response production of molecular mediator of immune response regulation of biosynthetic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of natural killer cell cytokine production positive regulation of gene expression positive regulation of cytokine production involved in immune response adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of B cell mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of immunoglobulin mediated immune response positive regulation of adaptive immune response positive regulation of immunoglobulin mediated immune response regulation of adaptive immune response regulation of B cell mediated immunity adaptive immune response immunoglobulin mediated immune response B cell mediated immunity positive regulation of mast cell activation regulation of leukocyte activation cell activation regulation of cell activation myeloid leukocyte activation leukocyte activation positive regulation of cell activation positive regulation of leukocyte activation mast cell activation regulation of mast cell activation cell adhesion positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target immune response to tumor cell regulation of natural killer cell mediated cytotoxicity directed against tumor cell target regulation of natural killer cell mediated immune response to tumor cell positive regulation of immune response to tumor cell natural killer cell mediated immune response to tumor cell positive regulation of response to tumor cell positive regulation of natural killer cell mediated immune response to tumor cell regulation of response to tumor cell response to tumor cell regulation of immune response to tumor cell natural killer cell mediated cytotoxicity directed against tumor cell target regulation of Fc receptor mediated stimulatory signaling pathway Fc receptor mediated stimulatory signaling pathway positive regulation of Fc receptor mediated stimulatory signaling pathway regulation of type II interferon production type II interferon production positive regulation of type II interferon production	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR042842	CD226 antigen	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR007110	Immunoglobulin-like domain	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.