Annotations: 9OFS

Crystal structure of the human IGA2m2 FC fragment-FC-alpha receptor (CD89) complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth C]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054825	3000071	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8055596	3000071	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth C]	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-prote ...	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
A	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A	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-prote ...	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
B [auth C]	Immunoglobulin alpha Fc receptor	protein-containing complex binding binding immunoglobulin binding IgA binding molecular transducer activity immunoglobulin receptor activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity IgA receptor activity	cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling immune response biological regulation cell communication Fc receptor signaling pathway immune response-regulating signaling pathway regulation of response to stimulus immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of biological process regulation of cellular process response to stimulus cell surface receptor signaling pathway signaling immune response biological regulation cell communication Fc receptor signaling pathway immune response-regulating signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process regulation of immune system process signal transduction multicellular organismal process homeostatic process leukocyte apoptotic process positive regulation of biological process regulation of programmed cell death regulation of neutrophil apoptotic process positive regulation of myeloid cell apoptotic process positive regulation of neutrophil apoptotic process myeloid cell homeostasis positive regulation of leukocyte apoptotic process positive regulation of immune system process positive regulation of cellular process regulation of leukocyte apoptotic process myeloid cell apoptotic process positive regulation of programmed cell death regulation of apoptotic process cell death positive regulation of apoptotic process neutrophil homeostasis neutrophil apoptotic process multicellular organismal-level homeostasis leukocyte homeostasis inflammatory cell apoptotic process homeostasis of number of cells apoptotic process programmed cell death regulation of myeloid cell apoptotic process neutrophil mediated immunity leukocyte mediated immunity myeloid leukocyte mediated immunity immune effector process neutrophil activation cell activation myeloid leukocyte activation granulocyte activation leukocyte activation 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 response-inhibiting cell surface receptor signaling pathway immune response-inhibiting signal transduction response to peptide response to interferon-alpha response to cytokine cellular response to cytokine stimulus cellular response to interferon-alpha response to granulocyte macrophage colony-stimulating factor cellular response to granulocyte macrophage colony-stimulating factor stimulus cellular response to tumor necrosis factor response to tumor necrosis factor defense response response to type II interferon defense response to symbiont cellular response to type II interferon defense response to other organism response to stress innate immune response response to interleukin-6 cellular response to interleukin-6	membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle membrane-bounded organelle intracellular anatomical structure tertiary granule membrane membrane intracellular vesicle intracellular membrane-bounded organelle endomembrane system tertiary granule intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane specific granule membrane specific granule cell periphery plasma membrane extracellular region ficolin-1-rich granule membrane ficolin-1-rich granule
A	Immunoglobulin heavy constant alpha 2	binding antigen binding	cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response B cell receptor signaling pathway biological regulation regulation of response to stimulus immune system process regulation of immune response cellular process antigen receptor-mediated signaling pathway activation of immune response positive regulation of respiratory burst positive regulation of metabolic process respiratory burst metabolic process regulation of respiratory burst regulation of metabolic process positive regulation of cellular process adaptive immune response adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin leukocyte mediated immunity complement activation, classical pathway immunoglobulin mediated immune response immune effector process B cell mediated immunity biological process involved in interspecies interaction between organisms response to other organism defense response antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus multicellular organismal process renal system process system process glomerular filtration renal filtration	cellular anatomical structure extracellular region blood microparticle protein-containing complex extracellular protein-containing complex immunoglobulin complex, circulating immunoglobulin complex IgA immunoglobulin complex, circulating secretory IgA immunoglobulin complex IgA immunoglobulin complex polymeric IgA immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular region blood microparticle protein-containing complex extracellular protein-containing complex immunoglobulin complex, circulating immunoglobulin complex IgA immunoglobulin complex, circulating secretory IgA immunoglobulin complex IgA immunoglobulin complex polymeric IgA immunoglobulin complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle monomeric IgA immunoglobulin complex cell periphery plasma membrane membrane dimeric IgA immunoglobulin complex secretory dimeric IgA immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth C]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth C]	IPR050412	Immunoglobulin-like Receptors in Immune Regulation	Family
B [auth C]	IPR003599	Immunoglobulin domain subtype	Domain
B [auth C]	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
B [auth C]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A	IPR050380	Immune Recognition and Response Modulators	Family
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth C]	: P24071	chronic obstructive pulmonary disease IgA glomerulonephritis MALT lymphoma spondyloarthropathy gastric cancer inflammatory bowel disease psoriasis tuberculosis gastric carcinoma lung cancer Sjogren syndrome ulcerative colitis
A	: P01877	breast cancer

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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.