Annotations: 8SM2

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth C]	Immunoglobulin subtype domain-containing protein	-	-	-
A	Ig-like domain-containing protein	protein binding binding signaling receptor binding immunoglobulin receptor binding antigen binding	regulation of biological process positive regulation of respiratory burst regulation of cellular process biological regulation positive regulation of biological process positive regulation of metabolic process respiratory burst cellular process metabolic process regulation of respiratory burst regulation of metabolic process positive regulation of cellular process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of biological process positive regulation of respiratory burst regulation of cellular process biological regulation positive regulation of biological process positive regulation of metabolic process respiratory burst cellular process metabolic process regulation of respiratory burst regulation of metabolic process positive regulation of cellular process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity humoral immune response response to stimulus positive regulation of response to stimulus complement activation humoral immune response mediated by circulating immunoglobulin positive regulation of immune response leukocyte mediated immunity regulation of immune system process positive regulation of immune system process complement activation, classical pathway immune response immunoglobulin mediated immune response adaptive immune response immune effector process regulation of response to stimulus immune system process B cell mediated immunity regulation of immune response activation of immune response 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	protein-containing complex cellular anatomical structure extracellular region extracellular space immunoglobulin complex, circulating immunoglobulin complex IgA immunoglobulin complex, circulating monomeric IgA immunoglobulin complex IgA immunoglobulin complex dimeric IgA immunoglobulin complex secretory IgA immunoglobulin complex polymeric IgA immunoglobulin complex secretory dimeric IgA immunoglobulin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth C]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B [auth C]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B [auth C]	IPR003599	Immunoglobulin domain subtype	Domain
B [auth C]	IPR013151	Immunoglobulin-like beta-sandwich domain	Domain
B [auth C]	IPR050412	Immunoglobulin-like Receptors in Immune Regulation	Family
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
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

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.