4RWH | pdb_00004rwh

Crystal structure of T cell costimulatory ligand B7-1 (CD80)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	V set domains-like	8081002	4007530	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Immunoglobulin (Ig) domain-like	8081003	3000071	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	V-set_9	e4rwhA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_9	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.2.0)

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	T-lymphocyte activation antigen CD80	molecular transducer activity coreceptor activity signaling receptor activity	multicellular organismal process regulation of cellular process positive regulation of cell population proliferation regulation of leukocyte activation regulation of alpha-beta T cell activation positive regulation of alpha-beta T cell proliferation regulation of cell activation positive regulation of cell activation T cell activation alpha-beta T cell proliferation lymphocyte proliferation positive regulation of leukocyte activation alpha-beta T cell activation regulation of immune system process multicellular organismal process regulation of cellular process positive regulation of cell population proliferation regulation of leukocyte activation regulation of alpha-beta T cell activation positive regulation of alpha-beta T cell proliferation regulation of cell activation positive regulation of cell activation T cell activation alpha-beta T cell proliferation lymphocyte proliferation positive regulation of leukocyte activation alpha-beta T cell activation regulation of immune system process positive regulation of immune system process regulation of leukocyte proliferation regulation of biological process cell population proliferation positive regulation of T cell activation positive regulation of lymphocyte proliferation positive regulation of T cell proliferation positive regulation of alpha-beta T cell activation regulation of cell population proliferation mononuclear cell proliferation regulation of leukocyte cell-cell adhesion positive regulation of leukocyte proliferation positive regulation of multicellular organismal process positive regulation of biological process positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion regulation of alpha-beta T cell proliferation positive regulation of lymphocyte activation cell adhesion cell-cell adhesion positive regulation of mononuclear cell proliferation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of cellular process T cell proliferation regulation of lymphocyte proliferation positive regulation of cell adhesion regulation of cell adhesion biological regulation cell activation regulation of T cell activation regulation of T cell proliferation immune system process regulation of mononuclear cell proliferation cellular process regulation of lymphocyte activation lymphocyte costimulation T cell costimulation cellular response to stimulus biological process involved in interspecies interaction between organisms response to lipid response to stimulus response to other organism cellular response to lipopolysaccharide response to oxygen-containing compound response to external stimulus cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound response to biotic stimulus cellular response to biotic stimulus cellular response to chemical stimulus response to chemical response to bacterium cellular response to lipid response to external biotic stimulus response to molecule of bacterial origin	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane protein-containing complex protein complex involved in cell adhesion

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR051713	T-cell Activation and Immune Regulation Protein	Family
A	IPR037676	CD80, IgC-like domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR042711	CD80, immunoglobulin variable domain	Domain
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR013162	CD80-like, immunoglobulin C2-set	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.