Annotations: 4BFI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	I-set_5	e4bfiA3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_5	ECOD (1.6)
B	I-set_12	e4bfiB2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_12	ECOD (1.6)
B	I-set_10	e4bfiB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: I-set_10	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 (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A	CD200R1	1V-1C-LIKE	Mus musculus (house mouse)	CD200R1	V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE	RPI	1V-1C-LIKE	IMGT (202415-0)
B	CD200	1V-1C-LIKE	Mus musculus (house mouse)	CD200	V-LIKE-DOMAIN V-LIKE, C-LIKE-DOMAIN C-LIKE	RPI	1V-1C-LIKE	IMGT (202415-0)

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
A	PF08205	CD80-like C2-set immunoglobulin domain (C2-set_2)	CD80-like C2-set immunoglobulin domain	These domains belong to the immunoglobulin superfamily.	Domain
B	PF00047	Immunoglobulin domain (ig)	Immunoglobulin domain	Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-prot ...	Members of the immunoglobulin superfamily are found in hundreds of proteins of different functions. Examples include antibodies, the giant muscle kinase titin and receptor tyrosine kinases. Immunoglobulin-like domains may be involved in protein-protein and protein-ligand interactions.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CELL SURFACE GLYCOPROTEIN CD200 RECEPTOR 1	molecular transducer activity signaling receptor activity cell adhesion molecule binding protein binding binding cell adhesion mediator activity cell-cell adhesion mediator activity protein binding involved in heterotypic cell-cell adhesion	interleukin-6 production multicellular organismal process regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process regulation of interleukin-6 production organic substance metabolic process regulation of cytokine production organic substance biosynthetic process cytokine production negative regulation of cellular process regulation of multicellular organismal process negative regulation of macromolecule metabolic process interleukin-6 production multicellular organismal process regulation of cellular process cellular biosynthetic process negative regulation of biological process negative regulation of cellular metabolic process regulation of interleukin-6 production organic substance metabolic process regulation of cytokine production organic substance biosynthetic process cytokine production negative regulation of cellular process regulation of multicellular organismal process 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 interleukin-6 production negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process regulation of defense response response to stimulus regulation of response to external stimulus defense response regulation of inflammatory response response to external stimulus regulation of response to stimulus response to stress regulation of response to stress regulation of neuroinflammatory response inflammatory response neuroinflammatory response negative regulation of inflammatory response negative regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response negative regulation of neuroinflammatory response heterotypic cell-cell adhesion cell adhesion cell-cell adhesion negative regulation of mononuclear cell migration negative regulation of locomotion regulation of cell motility regulation of lymphocyte migration regulation of cell migration cell migration regulation of immune system process negative regulation of lymphocyte migration cell motility regulation of mononuclear cell migration locomotion negative regulation of cell migration regulation of leukocyte migration lymphocyte migration leukocyte migration negative regulation of T cell migration negative regulation of leukocyte migration negative regulation of immune system process immune system process regulation of locomotion regulation of T cell migration mononuclear cell migration negative regulation of cell motility T cell migration macrophage migration regulation of macrophage migration myeloid leukocyte migration negative regulation of macrophage migration	protein-containing complex receptor complex cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane
B	OX-2 MEMBRANE GLYCOPROTEIN	cell adhesion molecule binding protein binding binding cell adhesion mediator activity cell-cell adhesion mediator activity protein binding involved in heterotypic cell-cell adhesion	regulation of transforming growth factor beta production multicellular organismal process regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process regulation of cytokine production organic substance biosynthetic process cytokine production regulation of multicellular organismal process regulation of transforming growth factor beta production multicellular organismal process regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process regulation of cytokine production organic substance biosynthetic process cytokine production regulation of multicellular organismal process positive regulation of macromolecule metabolic process transforming growth factor beta production positive regulation of cellular process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process positive regulation of transforming growth factor beta production positive regulation of cytokine production regulation of metabolic process positive regulation of cellular biosynthetic process interleukin-6 production negative regulation of biological process negative regulation of cellular metabolic process regulation of interleukin-6 production negative regulation of cellular process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of cytokine production negative regulation of cellular biosynthetic process negative regulation of interleukin-6 production negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of multicellular organismal process regulation of defense response response to stimulus regulation of response to external stimulus defense response regulation of inflammatory response response to external stimulus regulation of response to stimulus response to stress regulation of response to stress regulation of neuroinflammatory response inflammatory response neuroinflammatory response negative regulation of inflammatory response negative regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response negative regulation of neuroinflammatory response immune response immune system process regulation of immune response regulation of immune system process negative regulation of mononuclear cell migration negative regulation of locomotion regulation of cell motility regulation of lymphocyte migration regulation of cell migration cell migration negative regulation of lymphocyte migration cell motility regulation of mononuclear cell migration locomotion negative regulation of cell migration regulation of leukocyte migration lymphocyte migration leukocyte migration negative regulation of T cell migration negative regulation of leukocyte migration negative regulation of immune system process regulation of locomotion regulation of T cell migration mononuclear cell migration negative regulation of cell motility T cell migration negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation cell adhesion cell-cell adhesion protein localization negative regulation of protein transport regulation of localization establishment of protein localization cellular localization nitrogen compound transport regulation of protein localization transport matrix metallopeptidase secretion negative regulation of transport protein localization to extracellular region localization secretion by cell negative regulation of secretion regulation of secretion by cell cellular macromolecule localization negative regulation of secretion by cell negative regulation of protein localization regulation of matrix metallopeptidase secretion secretion regulation of transport negative regulation of matrix metallopeptidase secretion organic substance transport establishment of protein localization to extracellular region regulation of establishment of protein localization export from cell negative regulation of establishment of protein localization regulation of protein transport protein secretion establishment of localization regulation of secretion regulation of protein secretion negative regulation of protein secretion protein transport regulation of cellular localization macromolecule localization heterotypic cell-cell adhesion regulation of macrophage activation regulation of leukocyte activation cell activation regulation of cell activation myeloid leukocyte activation leukocyte activation negative regulation of cell activation macrophage activation negative regulation of leukocyte activation negative regulation of macrophage activation macrophage migration regulation of macrophage migration myeloid leukocyte migration negative regulation of macrophage migration	cell surface cellular anatomical entity cell periphery plasma membrane membrane cell projection neuron projection plasma membrane bounded cell projection somatodendritic compartment cell body neuronal cell body axon

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR040012	Cell surface glycoprotein CD200 receptor	Family
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003599	Immunoglobulin subtype	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR013106	Immunoglobulin V-set domain	Domain
A	IPR013162	CD80-like, immunoglobulin C2-set	Domain
A	IPR007110	Immunoglobulin-like domain	Domain
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR003599	Immunoglobulin subtype	Domain
B	IPR033321	OX-2 membrane glycoprotein, immunoglobulin variable domain	Domain
B	IPR047164	OX-2 membrane glycoprotein-like	Family
B	IPR013106	Immunoglobulin V-set domain	Domain
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR013151	Immunoglobulin	Domain
B	IPR007110	Immunoglobulin-like domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.