Annotations: 7XT6

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13927	Immunoglobulin domain (Ig_3)	Immunoglobulin domain	This family contains immunoglobulin-like domains.	Domain
B, D	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
C	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	B-cell antigen receptor complex-associated protein alpha chain	identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	multicellular organismal process cell population proliferation B cell activation cell activation B cell proliferation lymphocyte activation leukocyte proliferation leukocyte activation immune system process mononuclear cell proliferation lymphocyte proliferation cellular process developmental process cellular developmental process multicellular organismal process cell population proliferation B cell activation cell activation B cell proliferation lymphocyte activation leukocyte proliferation leukocyte activation immune system process mononuclear cell proliferation lymphocyte proliferation cellular process developmental process cellular developmental process hemopoiesis cell development mononuclear cell differentiation lymphocyte differentiation B cell differentiation cell differentiation anatomical structure development leukocyte differentiation 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 regulation of immune response antigen receptor-mediated signaling pathway activation of immune response adaptive immune response	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex plasma membrane protein complex IgM B cell receptor complex membrane protein complex immunoglobulin complex receptor complex cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex plasma membrane protein complex IgM B cell receptor complex membrane protein complex immunoglobulin complex receptor complex B cell receptor complex plasma membrane signaling receptor complex membrane microdomain membrane raft membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm multivesicular body vesicle
B, D	Isoform 2 of Immunoglobulin heavy constant mu	protein binding binding signaling receptor binding immunoglobulin receptor 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 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 response to external stimulus defense response to Gram-negative bacterium response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus antibacterial humoral response defense response to symbiont antimicrobial humoral response innate immune response multicellular organismal process cellular developmental process immature B cell differentiation cellular biosynthetic process cell development mononuclear cell differentiation pre-B cell allelic exclusion pre-B cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation anatomical structure development developmental process regulation of biosynthetic process hemopoiesis B cell activation cellular metabolic process cell activation 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 regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process leukocyte differentiation	hexameric IgM immunoglobulin complex protein-containing complex IgM immunoglobulin complex IgM immunoglobulin complex, circulating extracellular region extracellular space cellular anatomical entity immunoglobulin complex, circulating immunoglobulin complex blood microparticle plasma membrane protein complex membrane plasma membrane IgM B cell receptor complex hexameric IgM immunoglobulin complex protein-containing complex IgM immunoglobulin complex IgM immunoglobulin complex, circulating extracellular region extracellular space cellular anatomical entity immunoglobulin complex, circulating immunoglobulin complex blood microparticle plasma membrane protein complex membrane plasma membrane IgM B cell receptor complex membrane protein complex receptor complex B cell receptor complex cell periphery plasma membrane signaling receptor complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle pentameric IgM immunoglobulin complex cell surface
C	B-cell antigen receptor complex-associated protein beta chain	identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development developmental process multicellular organismal process cellular developmental process hemopoiesis B cell activation cell activation cell development mononuclear cell differentiation lymphocyte differentiation lymphocyte activation leukocyte activation B cell differentiation cell differentiation immune system process anatomical structure development cellular process leukocyte differentiation 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 regulation of immune response antigen receptor-mediated signaling pathway activation of immune response adaptive immune response	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex plasma membrane protein complex IgM B cell receptor complex membrane protein complex immunoglobulin complex receptor complex cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex plasma membrane protein complex IgM B cell receptor complex membrane protein complex immunoglobulin complex receptor complex B cell receptor complex plasma membrane signaling receptor complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039695	B-cell antigen receptor complex-associated protein alpha/beta chain	Family
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003599	Immunoglobulin subtype	Domain
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR003110	Phosphorylated immunoreceptor signalling ITAM	Repeat
B, D	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, D	IPR003597	Immunoglobulin C1-set	Domain
B, D	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, D	IPR007110	Immunoglobulin-like domain	Domain
B, D	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
C	IPR039695	B-cell antigen receptor complex-associated protein alpha/beta chain	Family
C	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C	IPR003599	Immunoglobulin subtype	Domain
C	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C	IPR013106	Immunoglobulin V-set domain	Domain
C	IPR007110	Immunoglobulin-like domain	Domain
C	IPR003110	Phosphorylated immunoreceptor signalling ITAM	Repeat

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P11912	agammaglobulinemia diffuse large B-cell lymphoma agammaglobulinemia 3, autosomal recessive autosomal recessive agammaglobulinemia 1 Hypogammaglobulinemia lymphoma osteosarcoma sinusitis cutaneous lupus erythematosus gastric cancer interstitial cystitis non-Hodgkin lymphoma pancreatic intraductal papillary-mucinous carcinoma ulcerative colitis autosomal agammaglobulinemia agammaglobulinemia diffuse large B-cell lymphoma agammaglobulinemia 3, autosomal recessive autosomal recessive agammaglobulinemia 1 Hypogammaglobulinemia lymphoma osteosarcoma sinusitis cutaneous lupus erythematosus gastric cancer interstitial cystitis non-Hodgkin lymphoma pancreatic intraductal papillary-mucinous carcinoma ulcerative colitis autosomal agammaglobulinemia cystic fibrosis gastric carcinoma lung adenocarcinoma non-small cell lung carcinoma periodontitis
B, D	Pharos: P01871	autosomal recessive agammaglobulinemia 1 agammaglobulinemia periodontitis Sjogren syndrome acute myeloid leukemia cutaneous lupus erythematosus interstitial cystitis lung carcinoma medulloblastoma ovarian cancer plasma cell myeloma tuberculosis breast cancer esophageal adenocarcinoma lung adenocarcinoma autosomal recessive agammaglobulinemia 1 agammaglobulinemia periodontitis Sjogren syndrome acute myeloid leukemia cutaneous lupus erythematosus interstitial cystitis lung carcinoma medulloblastoma ovarian cancer plasma cell myeloma tuberculosis breast cancer esophageal adenocarcinoma lung adenocarcinoma malignant ependymoma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm sinusitis ulcerative colitis autosomal agammaglobulinemia Bruton-type agammaglobulinemia Hypogammaglobulinemia lung cancer malignant pancreatic neoplasm osteosarcoma
C	Pharos: P40259	agammaglobulinemia 6, autosomal recessive diffuse large B-cell lymphoma agammaglobulinemia liver disease autosomal recessive agammaglobulinemia 1 Hypogammaglobulinemia non-Hodgkin lymphoma interstitial cystitis lymphoma osteosarcoma autosomal agammaglobulinemia nasopharyngeal carcinoma pituitary cancer