Annotations: 9NOW

Human sweet taste receptor (TAS1R2 + TAS1R3) VFT domains bound to aspartame

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF01094	Receptor family ligand binding region (ANF_receptor)	Receptor family ligand binding region	This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure.	Domain
A [auth B]	PF07562	Nine Cysteines Domain of family 3 GPCR (NCD3G)	Nine Cysteines Domain of family 3 GPCR	-	Family
B [auth A]	PF01094	Receptor family ligand binding region (ANF_receptor)	Receptor family ligand binding region	This family includes extracellular ligand binding domains of a wide range of receptors. This family also includes the bacterial amino acid binding proteins of known structure.	Domain
B [auth A]	PF07562	Nine Cysteines Domain of family 3 GPCR (NCD3G)	Nine Cysteines Domain of family 3 GPCR	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Taste receptor type 1 member 3	taste receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity G protein-coupled receptor activity	sensory perception of sweet taste multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste sensory perception of umami taste response to stimulus detection of chemical stimulus involved in sensory perception of sweet taste detection of chemical stimulus involved in sensory perception of taste detection of stimulus response to chemical detection of chemical stimulus sensory perception of sweet taste multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste sensory perception of umami taste response to stimulus detection of chemical stimulus involved in sensory perception of sweet taste detection of chemical stimulus involved in sensory perception of taste detection of stimulus response to chemical detection of chemical stimulus detection of stimulus involved in sensory perception detection of chemical stimulus involved in sensory perception cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation G protein-coupled receptor signaling pathway cellular process signal transduction cell communication	cellular anatomical structure membrane cell periphery plasma membrane protein-containing complex taste receptor complex signaling receptor complex sweet taste receptor complex plasma membrane protein complex membrane protein complex G protein-coupled receptor dimeric complex plasma membrane signaling receptor complex G protein-coupled receptor complex
B [auth A]	Taste receptor type 1 member 2	taste receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity G protein-coupled receptor activity sweet taste receptor activity	sensory perception of sweet taste multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste regulation of cytokinesis regulation of biological process regulation of cellular process positive regulation of cell division regulation of cell cycle process biological regulation positive regulation of biological process sensory perception of sweet taste multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste regulation of cytokinesis regulation of biological process regulation of cellular process positive regulation of cell division regulation of cell cycle process biological regulation positive regulation of biological process cytokinesis positive regulation of cell cycle regulation of cell division positive regulation of cytokinesis positive regulation of cell cycle process cellular process cell division cell cycle regulation of cell cycle positive regulation of cellular process cell cycle process response to stimulus detection of chemical stimulus involved in sensory perception of sweet taste detection of chemical stimulus involved in sensory perception of taste detection of stimulus response to chemical detection of chemical stimulus detection of stimulus involved in sensory perception detection of chemical stimulus involved in sensory perception cellular response to stimulus signaling G protein-coupled receptor signaling pathway signal transduction cell communication	cellular anatomical structure membrane protein-containing complex signaling receptor complex cell periphery plasma membrane taste receptor complex sweet taste receptor complex plasma membrane protein complex membrane protein complex G protein-coupled receptor dimeric complex plasma membrane signaling receptor complex G protein-coupled receptor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR017978	GPCR family 3, C-terminal	Domain
A [auth B]	IPR017979	GPCR, family 3, conserved site	Conserved Site
A [auth B]	IPR011500	GPCR, family 3, nine cysteines domain	Domain
A [auth B]	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
A [auth B]	IPR000337	GPCR, family 3	Family
A [auth B]	IPR000068	GPCR, family 3, extracellular calcium-sensing receptor-related	Family
A [auth B]	IPR038550	GPCR, family 3, nine cysteines domain superfamily	Homologous Superfamily
A [auth B]	IPR001828	Receptor, ligand binding region	Domain
B [auth A]	IPR017978	GPCR family 3, C-terminal	Domain
B [auth A]	IPR017979	GPCR, family 3, conserved site	Conserved Site
B [auth A]	IPR011500	GPCR, family 3, nine cysteines domain	Domain
B [auth A]	IPR028082	Periplasmic binding protein-like I	Homologous Superfamily
B [auth A]	IPR000337	GPCR, family 3	Family
B [auth A]	IPR000068	GPCR, family 3, extracellular calcium-sensing receptor-related	Family
B [auth A]	IPR038550	GPCR, family 3, nine cysteines domain superfamily	Homologous Superfamily
B [auth A]	IPR001828	Receptor, ligand binding region	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B]	: Q7RTX0	male infertility inflammatory bowel disease psoriasis Subfertility, Male ulcerative colitis
B [auth A]	: Q8TE23	cleft lip ovarian cancer