Annotations: 6ARQ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6arqa_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF07686	e6arqA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
B [auth D]	F_UNCLASSIFIED	e6arqD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: F_UNCLASSIFIED	ECOD (1.6)
B [auth D]	PF07686	e6arqD3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
B [auth D]	PF08205	e6arqD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF08205	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth D]	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
B [auth D]	PF08205	CD80-like C2-set immunoglobulin domain (C2-set_2)	CD80-like C2-set immunoglobulin domain	These domains belong to the immunoglobulin superfamily.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	T-cell surface protein tactile	-	cell adhesion cell-matrix adhesion cell-substrate adhesion cellular process response to stimulus immune response immune system process multicellular organismal process regulation of type II interferon production regulation of cellular process type II interferon production cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process cell adhesion cell-matrix adhesion cell-substrate adhesion cellular process response to stimulus immune response immune system process multicellular organismal process regulation of type II interferon production regulation of cellular process type II interferon production cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process organic substance metabolic process cytokine production organic substance biosynthetic process regulation of cytokine production negative regulation of cellular process regulation of multicellular organismal process negative regulation of type II interferon production negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process cellular metabolic process negative regulation of metabolic process biological regulation regulation of cellular metabolic process negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process defense response response to stress inflammatory response response to organic substance biological process involved in interspecies interaction between organisms response to lipid response to other organism response to oxygen-containing compound response to external stimulus response to lipopolysaccharide response to biotic stimulus response to chemical response to bacterium response to external biotic stimulus response to molecule of bacterial origin lymphocyte mediated immunity regulation of immune effector process regulation of natural killer cell cytokine production negative regulation of lymphocyte mediated immunity negative regulation of natural killer cell mediated immunity leukocyte mediated immunity regulation of immune system process natural killer cell mediated immunity negative regulation of cytokine production involved in immune response regulation of natural killer cell mediated immunity regulation of cytokine production involved in immune response regulation of innate immune response negative regulation of immune response negative regulation of immune effector process immune effector process regulation of leukocyte mediated immunity negative regulation of production of molecular mediator of immune response negative regulation of natural killer cell cytokine production regulation of response to stimulus defense response to other organism negative regulation of response to external stimulus negative regulation of defense response regulation of immune response regulation of production of molecular mediator of immune response regulation of defense response regulation of response to biotic stimulus natural killer cell cytokine production regulation of response to external stimulus negative regulation of response to biotic stimulus regulation of response to stress innate immune response cytokine production involved in immune response production of molecular mediator of immune response negative regulation of response to stimulus defense response to symbiont regulation of lymphocyte mediated immunity negative regulation of immune system process negative regulation of leukocyte mediated immunity negative regulation of innate immune response	cell periphery plasma membrane membrane cellular anatomical entity intracellular anatomical structure cytoplasm
B [auth D]	Poliovirus receptor	protein binding binding virus receptor activity exogenous protein binding molecular transducer activity signaling receptor activity cell adhesion molecule binding	regulation of immune effector process lymphocyte mediated immunity positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process response to stimulus response to biotic stimulus positive regulation of leukocyte mediated cytotoxicity positive regulation of immune response positive regulation of natural killer cell mediated immunity leukocyte mediated immunity regulation of immune system process natural killer cell mediated immunity positive regulation of immune system process regulation of immune effector process lymphocyte mediated immunity positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process response to stimulus response to biotic stimulus positive regulation of leukocyte mediated cytotoxicity positive regulation of immune response positive regulation of natural killer cell mediated immunity leukocyte mediated immunity regulation of immune system process natural killer cell mediated immunity positive regulation of immune system process regulation of biological process regulation of natural killer cell mediated immunity immune response response to other organism regulation of innate immune response response to external stimulus leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity regulation of response to stimulus defense response to other organism positive regulation of defense response natural killer cell mediated cytotoxicity 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 biological process involved in interspecies interaction between organisms 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 response to stress regulation of response to stress innate immune response positive regulation of immune effector process response to external biotic stimulus positive regulation of cellular process positive regulation of innate immune response defense response regulation of leukocyte mediated cytotoxicity biological regulation defense response to symbiont regulation of lymphocyte mediated immunity immune system process cellular process cell killing adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated immunity positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of adaptive immune response susceptibility to T cell mediated cytotoxicity regulation of T cell mediated immunity T cell mediated cytotoxicity positive regulation of T cell mediated cytotoxicity regulation of adaptive immune response adaptive immune response regulation of T cell mediated cytotoxicity positive regulation of T cell mediated immunity cell adhesion cell-cell adhesion cell-cell adhesion via plasma-membrane adhesion molecules homophilic cell adhesion via plasma membrane adhesion molecules 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 susceptibility to natural killer cell mediated cytotoxicity heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules	cell-cell junction adherens junction anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction membrane cell surface cell periphery plasma membrane intracellular anatomical structure cytoplasm extracellular region cell-cell junction adherens junction anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction membrane cell surface cell periphery plasma membrane intracellular anatomical structure cytoplasm extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003599	Immunoglobulin subtype	Domain
A	IPR042381	T-cell surface protein tactile	Family
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
B [auth D]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth D]	IPR003599	Immunoglobulin subtype	Domain
B [auth D]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth D]	IPR013106	Immunoglobulin V-set domain	Domain
B [auth D]	IPR013162	CD80-like, immunoglobulin C2-set	Domain
B [auth D]	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P40200	C syndrome craniosynostosis acute myeloid leukemia interstitial cystitis polydactyly Bohring-Opitz syndrome cutaneous lupus erythematosus lung carcinoma Sjogren syndrome intellectual disability osteosarcoma tuberculosis
B [auth D]	Pharos: P15151	poliomyelitis Encephalitis, Polio malignant glioma osteosarcoma malignant mesothelioma polycystic ovary syndrome large cell medulloblastoma medulloblastoma psoriasis

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 R01GM133198.