Annotations: 4JVU

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4jvua1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d4jvua2	Artifacts	Tags	Tags	Tags	N-terminal Tags	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d4jvub_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF07654	e4jvuA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
B	PF07654	e4jvuB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	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, B	IG MU CHAIN C REGION MEMBRANE-BOUND FORM	CH2	Mus musculus (house mouse)	IGHM01, IGHM02	C-DOMAIN CH2	IG	(CH2_CH2)	IMGT (202416-0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Ig mu chain C region membrane-bound form	protein binding binding signaling receptor binding immunoglobulin receptor binding antigen binding identical protein binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling cell communication immune response-activating signaling pathway immune response-regulating signaling pathway signal transduction cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway B cell receptor signaling pathway cellular process antigen receptor-mediated signaling pathway activation of immune response humoral immune response complement activation humoral immune response mediated by circulating immunoglobulin complement activation, classical pathway 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 developmental process anatomical structure morphogenesis regulation of developmental process anatomical structure development cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis multicellular organismal process B cell activation cell activation lymphocyte activation leukocyte activation innate immune response immunoglobulin production cellular developmental process immunoglobulin production involved in immunoglobulin-mediated immune response cellular biosynthetic process cell development mononuclear cell differentiation B cell affinity maturation lymphocyte differentiation organic substance metabolic process B cell differentiation cell differentiation organic substance biosynthetic process production of molecular mediator of immune response hemopoiesis cellular metabolic process gene expression macromolecule biosynthetic process biosynthetic process peripheral B cell selection B cell selection metabolic process macromolecule metabolic process leukocyte differentiation intracellular signal transduction intracellular signaling cassette MAPK cascade cell population proliferation B cell proliferation leukocyte proliferation mononuclear cell proliferation lymphocyte proliferation positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction regulation of intracellular signal transduction positive regulation of cellular process regulation of signaling positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of cell communication positive regulation of signaling regulation of immune effector process regulation of biosynthetic process regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process regulation of gene expression regulation of immunoglobulin production regulation of macromolecule biosynthetic process regulation of production of molecular mediator of immune response regulation of metabolic process defense response to Gram-negative bacterium regulation of leukocyte activation regulation of cell activation positive regulation of lymphocyte activation positive regulation of cell activation regulation of B cell activation positive regulation of leukocyte activation regulation of multicellular organismal process positive regulation of B cell activation positive regulation of multicellular organismal process regulation of lymphocyte activation antigen processing and presentation positive regulation of cell population proliferation positive regulation of B cell proliferation regulation of B cell proliferation positive regulation of mononuclear cell proliferation regulation of lymphocyte proliferation regulation of leukocyte proliferation positive regulation of lymphocyte proliferation regulation of cell population proliferation positive regulation of leukocyte proliferation regulation of mononuclear cell proliferation immature B cell differentiation pre-B cell allelic exclusion pre-B cell differentiation cellular localization transport intracellular transport establishment of localization vesicle-mediated transport endosomal transport vesicle-mediated transport between endosomal compartments localization early endosome to late endosome transport establishment of localization in cell regulation of localization import into cell positive regulation of cellular component organization regulation of cellular component organization regulation of transport regulation of vesicle-mediated transport cellular component organization positive regulation of endocytosis positive regulation of transport cellular component organization or biogenesis endocytosis regulation of endocytosis regulation of protein modification process positive regulation of phosphorylation regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process peptidyl-tyrosine modification positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of peptidyl-tyrosine phosphorylation positive regulation of protein modification process regulation of phosphate metabolic process peptidyl-amino acid modification phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process protein metabolic process protein modification process phosphorus metabolic process positive regulation of protein phosphorylation organonitrogen compound metabolic process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process regulation of peptidyl-tyrosine phosphorylation primary metabolic process macromolecule modification regulation of phosphorylation regulation of phosphorus metabolic process peptidyl-tyrosine phosphorylation	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex IgM immunoglobulin complex, circulating extracellular region extracellular space pentameric IgM immunoglobulin complex immunoglobulin complex, circulating cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane protein-containing complex IgM immunoglobulin complex IgM immunoglobulin complex, circulating extracellular region extracellular space pentameric IgM immunoglobulin complex immunoglobulin complex, circulating immunoglobulin complex intracellular anatomical structure cytoplasm cytosol plasma membrane protein complex membrane protein complex receptor complex B cell receptor complex plasma membrane signaling receptor complex hexameric IgM immunoglobulin complex IgM B cell receptor complex perinuclear region of cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003597	Immunoglobulin C1-set	Domain
A, B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	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 R01GM133198.