4NOF | pdb_00004nof

Crystal structure of the second Ig domain from mouse Polymeric Immunoglobulin receptor [PSI-NYSGRC-006220]

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PG_binding_1	e4nofB1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: PG_binding_1	ECOD (v294.1)
A	PG_binding_1	e4nofA1	A: a/b three-layered sandwiches	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: PG_binding_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	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	PIGR (Polymeric immunoglobulin receptor)	1V-LIKE	Mus musculus (house mouse)	PIGR	V-LIKE-DOMAIN V-LIKE	RPI	1V-LIKE	IMGT (202611-0)

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Polymeric immunoglobulin receptor	polymeric immunoglobulin binding protein-containing complex binding binding immunoglobulin binding epidermal growth factor receptor binding protein binding signaling receptor binding growth factor receptor binding molecular transducer activity immunoglobulin receptor activity transmembrane signaling receptor activity signaling receptor activity polymeric immunoglobulin receptor activity immune 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 cell surface receptor protein tyrosine kinase signaling pathway ERBB signaling pathway epidermal growth factor receptor signaling pathway enzyme-linked receptor protein signaling pathway localization cellular localization receptor clustering macromolecule localization intracellular protein localization localization within membrane protein localization to membrane multicellular organismal process transport establishment of localization immunoglobulin transcytosis in epithelial cells vesicle-mediated transport immunoglobulin transcytosis in epithelial cells mediated by polymeric immunoglobulin receptor transcytosis mucosal immune response organ or tissue specific immune response system process nervous system process detection of chemical stimulus involved in sensory perception of bitter taste detection of chemical stimulus involved in sensory perception of taste detection of stimulus sensory perception of chemical stimulus sensory perception sensory perception of taste response to chemical detection of chemical stimulus sensory perception of bitter taste detection of stimulus involved in sensory perception detection of chemical stimulus involved in sensory perception	protein-containing complex receptor complex endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle recycling endosome endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure protein-containing complex receptor complex endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle recycling endosome endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle recycling endosome membrane vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane IgA immunoglobulin complex, circulating secretory IgA immunoglobulin complex extracellular region IgA immunoglobulin complex extracellular space polymeric IgA immunoglobulin complex immunoglobulin complex, circulating immunoglobulin complex cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR013106	Immunoglobulin V-set domain	Domain
A, B	IPR003599	Immunoglobulin domain subtype	Domain
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR050671	CD300 family immune receptors	Family

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.