Annotations: 8EMA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth R]	PF07654	e8emaR1	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)
C [auth R]	PF07686	e8emaR2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
D [auth L]	PF07654	e8emaL2	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)
D [auth L]	PF07686	e8emaL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A, B	Heavy Chain	IGHV1	-	-	SAbDab (2024-07-05)
C [auth R], D [auth L]	Light Chain	IGLV1	Lambda	-	SAbDab (2024-07-05)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	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, B	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
C [auth R], D [auth L]	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
C [auth R], D [auth L]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
E [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-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
F [auth D]	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	Isoform 2 of Immunoglobulin heavy constant mu	binding antigen binding protein binding signaling receptor binding immunoglobulin receptor binding identical protein binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process regulation of biological process biological regulation positive regulation of biological process positive regulation of response to stimulus adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity response to stimulus immune response immune system process B cell mediated immunity leukocyte mediated immunity immunoglobulin mediated immune response adaptive immune response immune effector process regulation of biological process biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus regulation of immune response regulation of immune system process positive regulation of immune system 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 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 B cell differentiation cell differentiation 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	extracellular region extracellular space cellular anatomical entity blood microparticle protein-containing complex immunoglobulin complex cell periphery cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular region extracellular space cellular anatomical entity blood microparticle protein-containing complex immunoglobulin complex cell periphery cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle IgM immunoglobulin complex IgM immunoglobulin complex, circulating pentameric IgM immunoglobulin complex immunoglobulin complex, circulating plasma membrane protein complex membrane protein complex receptor complex B cell receptor complex plasma membrane signaling receptor complex intracellular anatomical structure cytoplasm IgM B cell receptor complex perinuclear region of cytoplasm
C [auth R], D [auth L]	Anti-human Langerin 2G3 lambda chain	-	-	-
E [auth C]	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 riboflavin synthase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic 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 bioluminescence cellular metabolic process metabolic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular biosynthetic process flavin-containing compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process riboflavin biosynthetic process vitamin metabolic process flavin-containing compound biosynthetic process biosynthetic process small molecule metabolic process water-soluble vitamin metabolic process riboflavin metabolic process	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 cytosol
F [auth D]	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 biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR013106	Immunoglobulin V-set domain	Domain
A, B	IPR007110	Immunoglobulin-like domain	Domain
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
C [auth R], D [auth L]	IPR003597	Immunoglobulin C1-set	Domain
C [auth R], D [auth L]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth R], D [auth L]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth R], D [auth L]	IPR003599	Immunoglobulin subtype	Domain
C [auth R], D [auth L]	IPR013106	Immunoglobulin V-set domain	Domain
C [auth R], D [auth L]	IPR007110	Immunoglobulin-like domain	Domain
C [auth R], D [auth L]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
E [auth C]	IPR039695	B-cell antigen receptor complex-associated protein alpha/beta chain	Family
E [auth C]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
E [auth C]	IPR003599	Immunoglobulin subtype	Domain
E [auth C]	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
E [auth C]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
E [auth C]	IPR007110	Immunoglobulin-like domain	Domain
E [auth C]	IPR003110	Phosphorylated immunoreceptor signalling ITAM	Repeat
E [auth C]	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
E [auth C]	IPR026017	Lumazine-binding domain	Domain
E [auth C]	IPR001783	Lumazine-binding protein	Family
E [auth C]	IPR023366	ATP synthase subunit alpha, N-terminal domain-like superfamily	Homologous Superfamily
F [auth D]	IPR039695	B-cell antigen receptor complex-associated protein alpha/beta chain	Family
F [auth D]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
F [auth D]	IPR003599	Immunoglobulin subtype	Domain
F [auth D]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
F [auth D]	IPR013106	Immunoglobulin V-set domain	Domain
F [auth D]	IPR007110	Immunoglobulin-like domain	Domain
F [auth D]	IPR003110	Phosphorylated immunoreceptor signalling ITAM	Repeat

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C [auth R], D [auth L], E [auth C] A, B, C [auth R], D [auth L], E [auth C], F [auth D]	OPM	Transmembrane	Bitopic proteins	T-cell and B-cell receptor complexes	B-cell antigen receptor complex