2GW5

Crystal Structure of LIR-2 (ILT4) at 1.8 : differences from LIR-1 (ILT2) in regions implicated in the binding of the Cytomegalovirus class I MHC homolog UL18

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2gw5a2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	I set domains	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2gw5a1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054857	3000071	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8055620	3000071	SCOP2B (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	Ig_2	e2gw5A3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Ig_2	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13895	Immunoglobulin domain (Ig_2)	Immunoglobulin domain	This domain contains immunoglobulin-like domains.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Leukocyte immunoglobulin-like receptor subfamily B member 2 precursor	amide binding amyloid-beta binding binding peptide binding inhibitory MHC class I receptor activity MHC class I receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding amide binding amyloid-beta binding binding peptide binding inhibitory MHC class I receptor activity MHC class I receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity MHC class Ib protein binding protein binding signaling receptor binding MHC protein binding protein phosphatase binding phosphatase binding protein phosphatase 1 binding enzyme binding protein-containing complex binding MHC protein complex binding MHC class Ib protein complex binding cell adhesion molecule binding identical protein binding protein homodimerization activity protein dimerization activity MHC class I protein binding	antigen processing and presentation regulation of antigen processing and presentation regulation of biological process negative regulation of immune system process immune system process negative regulation of antigen processing and presentation biological regulation negative regulation of biological process regulation of immune system process response to stimulus immune response adaptive immune response positive regulation of cell communication regulation of cellular process antigen processing and presentation regulation of antigen processing and presentation regulation of biological process negative regulation of immune system process immune system process negative regulation of antigen processing and presentation biological regulation negative regulation of biological process regulation of immune system process response to stimulus immune response adaptive immune response positive regulation of cell communication regulation of cellular process modulation of chemical synaptic transmission signaling positive regulation of biological process cell communication long-term synaptic potentiation synaptic signaling regulation of biological quality positive regulation of cellular process regulation of synaptic plasticity trans-synaptic signaling regulation of signaling cell-cell signaling positive regulation of synaptic transmission chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of long-term synaptic potentiation regulation of cell communication cellular process positive regulation of signaling regulation of cellular component organization cellular component organization postsynaptic density organization negative regulation of cellular process regulation of synapse structure or activity cellular component organization or biogenesis synapse organization regulation of postsynaptic density organization postsynapse organization negative regulation of cellular component organization regulation of postsynapse organization regulation of organelle organization regulation of synapse organization negative regulation of postsynaptic density organization organelle organization cell junction organization negative regulation of organelle organization postsynaptic specialization organization negative regulation of lymphocyte proliferation multicellular organismal process regulation of leukocyte activation regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of leukocyte proliferation cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion regulation of multicellular organismal process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation regulation of mononuclear cell proliferation regulation of lymphocyte activation regulation of leukocyte differentiation cellular developmental process regulation of developmental process cell development mononuclear cell differentiation regulation of cell differentiation regulation of cell development multicellular organism development cell differentiation anatomical structure development developmental process regulation of multicellular organismal development hemopoiesis regulation of dendritic cell differentiation regulation of hemopoiesis dendritic cell differentiation leukocyte differentiation positive regulation of leukocyte cell-cell adhesion positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation negative regulation of T cell costimulation positive regulation of leukocyte activation positive regulation of immune system process positive regulation of T cell activation positive regulation of cell adhesion regulation of T cell costimulation lymphocyte costimulation positive regulation of multicellular organismal process T cell costimulation regulation of localization regulation of calcium ion transport transport regulation of transport negative regulation of monoatomic ion transport regulation of monoatomic ion transport negative regulation of transport establishment of localization calcium ion transport metal ion transport negative regulation of calcium ion transport localization monoatomic ion transport monoatomic cation transport regulation of metal ion transport regulation of protein metabolic process negative regulation of metabolic process primary metabolic process regulation of macromolecule metabolic process regulation of primary metabolic process metabolic process protein metabolic process macromolecule metabolic process regulation of metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process defense response response to stress cellular defense response heterotypic cell-cell adhesion positive regulation of cell population proliferation positive regulation of lymphocyte proliferation positive regulation of T cell proliferation positive regulation of leukocyte proliferation positive regulation of mononuclear cell proliferation negative regulation of signaling negative regulation of synaptic transmission negative regulation of cell communication positive regulation of long-term synaptic depression long-term synaptic depression regulation of long-term synaptic depression cellular response to stimulus immune response-regulating signaling pathway regulation of response to stimulus regulation of immune response signal transduction immune response-regulating cell surface receptor signaling pathway Fc receptor mediated inhibitory signaling pathway cell surface receptor signaling pathway immune response-inhibiting cell surface receptor signaling pathway immune response-inhibiting signal transduction interleukin-6 production positive regulation of macromolecule biosynthetic process positive regulation of interleukin-6 production regulation of interleukin-6 production positive regulation of metabolic process positive regulation of biosynthetic process regulation of cytokine production cytokine production positive regulation of macromolecule metabolic process regulation of biosynthetic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process positive regulation of cytokine production lymphocyte differentiation positive regulation of T cell differentiation positive regulation of developmental process T cell differentiation positive regulation of cell development positive regulation of regulatory T cell differentiation regulation of T cell differentiation positive regulation of hemopoiesis positive regulation of cell differentiation regulation of lymphocyte differentiation regulation of regulatory T cell differentiation regulatory T cell differentiation positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation biological process involved in interspecies interaction between organisms response to lipid 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 immune system development T cell tolerance induction positive regulation of T cell tolerance induction regulation of tolerance induction positive regulation of tolerance induction regulation of T cell tolerance induction tolerance induction system development response to cytokine cytokine-mediated signaling pathway response to peptide interleukin-10-mediated signaling pathway cellular response to cytokine stimulus behavior system process learning or memory nervous system process cognition	cellular anatomical structure membrane intracellular anatomical structure cytoplasm extracellular region extracellular space membrane-bounded organelle tertiary granule membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure membrane intracellular anatomical structure cytoplasm extracellular region extracellular space membrane-bounded organelle tertiary granule membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle vesicle organelle membrane secretory granule membrane cell surface cell periphery plasma membrane ficolin-1-rich granule membrane ficolin-1-rich granule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR050412	Immunoglobulin-like Receptors in Immune Regulation	Family
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR003598	Immunoglobulin subtype 2	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q8N423	breast cancer cutaneous lupus erythematosus IgA glomerulonephritis lung adenocarcinoma MALT lymphoma ovarian cancer ulcerative colitis breast carcinoma head and neck cancer interstitial cystitis lung cancer non-small cell lung carcinoma prostate carcinoma chronic obstructive pulmonary disease idiopathic pulmonary fibrosis breast cancer cutaneous lupus erythematosus IgA glomerulonephritis lung adenocarcinoma MALT lymphoma ovarian cancer ulcerative colitis breast carcinoma head and neck cancer interstitial cystitis lung cancer non-small cell lung carcinoma prostate carcinoma chronic obstructive pulmonary disease idiopathic pulmonary fibrosis invasive ductal breast carcinoma lung carcinoma osteosarcoma Takayasu arteritis

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.