8XQO

Structure of human class T GPCR TAS2R14-Gi complex with Aristolochic acid A.

External Resource: Annotation

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Guanine nucleotide-binding protein G(i) subunit alpha-1	D2 dopamine receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding dopamine receptor binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding D2 dopamine receptor binding protein binding binding signaling receptor binding G protein-coupled receptor binding dopamine receptor binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding magnesium ion binding metal ion binding GDP binding G protein-coupled serotonin receptor binding protein-containing complex binding G-protein beta/gamma-subunit complex binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	response to stimulus response to hormone response to endogenous stimulus response to chemical response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular process cell division cellular response to stimulus regulation of biological process regulation of cellular process signaling response to stimulus response to hormone response to endogenous stimulus response to chemical response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular process cell division cellular response to stimulus regulation of biological process regulation of cellular process signaling biological regulation cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction cell cycle regulation of cytoskeleton organization regulation of cellular component organization microtubule cytoskeleton organization regulation of mitotic spindle organization mitotic cell cycle cellular component organization cellular component organization or biogenesis regulation of cell cycle microtubule cytoskeleton organization involved in mitosis spindle organization cell cycle process regulation of cell cycle process regulation of microtubule-based process regulation of spindle organization regulation of organelle organization mitotic spindle organization organelle organization mitotic cell cycle process microtubule-based process cytoskeleton organization regulation of microtubule cytoskeleton organization protein localization positive regulation of protein localization to cell periphery regulation of localization protein localization to cell periphery cellular localization regulation of protein localization positive regulation of biological process positive regulation of protein localization to cell cortex regulation of protein localization to cell periphery localization regulation of cellular localization regulation of protein localization to cell cortex cellular macromolecule localization macromolecule localization positive regulation of protein localization protein localization to cell cortex positive regulation of cellular process adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway regulation of signaling regulation of signal transduction intracellular signal transduction cAMP-mediated signaling regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette regulation of cell communication regulation of cAMP-mediated signaling response to ketone response to lipid response to alcohol cellular response to forskolin cellular response to organic cyclic compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to forskolin cellular response to lipid cellular response to ketone response to organic cyclic compound	midbody cellular anatomical entity membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen midbody cellular anatomical entity membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle cell periphery cell cortex cytoplasm protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cytoplasmic side of plasma membrane GTPase complex extrinsic component of membrane extrinsic component of cytoplasmic side of plasma membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton nucleoplasm vacuolar membrane lytic vacuole vacuole lytic vacuole membrane bounding membrane of organelle lysosomal membrane organelle membrane lysosome
B	Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	protein binding binding enzyme binding GTPase binding protein-containing complex binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity signaling receptor complex adaptor activity protein-macromolecule adaptor activity protein binding binding enzyme binding GTPase binding protein-containing complex binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity signaling receptor complex adaptor activity protein-macromolecule adaptor activity molecular adaptor activity signaling adaptor activity	multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste developmental process sensory organ development eye development animal organ development retina development in camera-type eye visual system development multicellular organism development camera-type eye development multicellular organismal process system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of taste developmental process sensory organ development eye development animal organ development retina development in camera-type eye visual system development multicellular organism development camera-type eye development anatomical structure development sensory system development system development cell population proliferation cellular process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation signal transduction cell communication response to ketone response to prostaglandin response to lipid response to endogenous stimulus response to alcohol cellular response to prostaglandin stimulus response to oxygen-containing compound cellular response to oxygen-containing compound cellular response to endogenous stimulus cellular response to prostaglandin E stimulus cellular response to chemical stimulus cellular response to alcohol response to hormone response to chemical cellular response to lipid response to prostaglandin E cellular response to ketone cellular response to hormone stimulus small GTPase-mediated signal transduction Ras protein signal transduction intracellular signal transduction intracellular signaling cassette phospholipase C-activating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cellular response to nitrogen compound response to dopamine cellular response to dopamine response to monoamine response to catecholamine adenylate cyclase-activating dopamine receptor signaling pathway cellular response to catecholamine stimulus response to organic cyclic compound response to organonitrogen compound G protein-coupled dopamine receptor signaling pathway cellular response to organic cyclic compound response to nitrogen compound adenylate cyclase-activating G protein-coupled receptor signaling pathway cellular response to organonitrogen compound cellular response to monoamine stimulus adenylate cyclase-modulating G protein-coupled receptor signaling pathway synaptic signaling cellular response to acetylcholine cell-cell signaling acetylcholine receptor signaling pathway postsynaptic signal transduction G protein-coupled acetylcholine receptor signaling pathway response to acetylcholine	membrane cellular anatomical entity protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cell periphery cytoplasmic side of plasma membrane GTPase complex membrane cellular anatomical entity protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cell periphery cytoplasmic side of plasma membrane GTPase complex extrinsic component of membrane extrinsic component of cytoplasmic side of plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle non-motile cilium 9+0 non-motile cilium cilium neuron projection photoreceptor disc membrane photoreceptor outer segment plasma membrane bounded cell projection cell projection photoreceptor cell cilium organelle membrane intracellular anatomical structure cytoplasm cytosol vacuolar membrane lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle lysosomal membrane lysosome synapse cell junction
C	Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	protein binding binding G-protein beta-subunit binding	fibroblast proliferation cell population proliferation cellular process cellular response to nitrogen compound cellular response to stimulus response to dopamine regulation of cellular process response to stimulus signaling cellular response to dopamine response to monoamine cell communication cellular response to endogenous stimulus response to catecholamine fibroblast proliferation cell population proliferation cellular process cellular response to nitrogen compound cellular response to stimulus response to dopamine regulation of cellular process response to stimulus signaling cellular response to dopamine response to monoamine cell communication cellular response to endogenous stimulus response to catecholamine adenylate cyclase-activating dopamine receptor signaling pathway cellular response to catecholamine stimulus signal transduction response to organic cyclic compound regulation of biological process response to organonitrogen compound response to endogenous stimulus G protein-coupled dopamine receptor signaling pathway cellular response to organic cyclic compound biological regulation response to oxygen-containing compound response to nitrogen compound adenylate cyclase-activating G protein-coupled receptor signaling pathway cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to organonitrogen compound cellular response to monoamine stimulus response to chemical adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway response to ketone response to prostaglandin response to lipid response to alcohol cellular response to prostaglandin stimulus cellular response to prostaglandin E stimulus cellular response to alcohol response to hormone cellular response to lipid response to prostaglandin E cellular response to ketone cellular response to hormone stimulus	membrane cellular anatomical entity protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cell periphery cytoplasmic side of plasma membrane GTPase complex membrane cellular anatomical entity protein-containing complex extrinsic component of plasma membrane catalytic complex plasma membrane protein complex cytoplasmic side of membrane plasma membrane membrane protein complex heterotrimeric G-protein complex side of membrane cell periphery cytoplasmic side of plasma membrane GTPase complex extrinsic component of membrane extrinsic component of cytoplasmic side of plasma membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle
D [auth S]	scFv16	-	-	-
E [auth R]	Exo-alpha-sialidase,Taste receptor type 2 member 14,LgBiT	hydrolase activity, acting on glycosyl bonds exo-alpha-(2->6)-sialidase activity alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity exo-alpha-(2->8)-sialidase activity exo-alpha-(2->3)-sialidase activity cation binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on glycosyl bonds exo-alpha-(2->6)-sialidase activity alpha-sialidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity exo-alpha-sialidase activity catalytic activity exo-alpha-(2->8)-sialidase activity exo-alpha-(2->3)-sialidase activity cation binding ion binding binding metal ion binding small molecule binding taste receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity bitter taste receptor activity G protein-coupled receptor activity	carbohydrate metabolic process catabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process primary metabolic process metabolic process sphingolipid catabolic process ganglioside catabolic process glycolipid metabolic process carbohydrate derivative metabolic process cellular lipid catabolic process cellular catabolic process ceramide catabolic process carbohydrate metabolic process catabolic process oligosaccharide catabolic process oligosaccharide metabolic process carbohydrate catabolic process primary metabolic process metabolic process sphingolipid catabolic process ganglioside catabolic process glycolipid metabolic process carbohydrate derivative metabolic process cellular lipid catabolic process cellular catabolic process ceramide catabolic process amide metabolic process membrane lipid metabolic process organonitrogen compound catabolic process ceramide metabolic process carbohydrate derivative catabolic process glycosphingolipid catabolic process lipid catabolic process organonitrogen compound metabolic process glycosphingolipid metabolic process cellular metabolic process liposaccharide metabolic process sphingolipid metabolic process membrane lipid catabolic process glycolipid catabolic process cellular lipid metabolic process cellular process ganglioside metabolic process lipid metabolic process cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation G protein-coupled receptor signaling pathway signal transduction cell communication multicellular organismal process 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	membrane cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle cytoplasm cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001019	Guanine nucleotide binding protein (G-protein), alpha subunit	Family
A	IPR011025	G protein alpha subunit, helical insertion	Homologous Superfamily
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR001408	G-protein alpha subunit, group I	Family
B	IPR019775	WD40 repeat, conserved site	Conserved Site
B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
B	IPR016346	Guanine nucleotide-binding protein, beta subunit	Family
B	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
B	IPR001632	G-protein, beta subunit	Domain
B	IPR001680	WD40 repeat	Repeat
B	IPR020472	G-protein beta WD-40 repeat	Repeat
C	IPR015898	G-protein gamma-like domain	Domain
C	IPR001770	G-protein, gamma subunit	Family
C	IPR036284	G-protein gamma-like domain superfamily	Homologous Superfamily
E [auth R]	IPR011040	Sialidase	Domain
E [auth R]	IPR023364	Trans-sialidase, domain 3	Homologous Superfamily
E [auth R]	IPR036278	Sialidase superfamily	Homologous Superfamily
E [auth R]	IPR013320	Concanavalin A-like lectin/glucanase domain superfamily	Homologous Superfamily
E [auth R]	IPR004124	Glycoside hydrolase, family 33, N-terminal	Domain
E [auth R]	IPR026856	Sialidase family	Family
E [auth R]	IPR007960	Taste receptor type 2	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P63096	substance withdrawal syndrome dissociative amnesia malignant glioma nicotine dependence pancreatic ductal adenocarcinoma acute myeloid leukemia Withdrawal Symptoms breast cancer glioblastoma intellectual disability large cell medulloblastoma malignant pancreatic neoplasm oligodendroglioma Pick disease astrocytic tumor substance withdrawal syndrome dissociative amnesia malignant glioma nicotine dependence pancreatic ductal adenocarcinoma acute myeloid leukemia Withdrawal Symptoms breast cancer glioblastoma intellectual disability large cell medulloblastoma malignant pancreatic neoplasm oligodendroglioma Pick disease astrocytic tumor breast carcinoma interstitial cystitis malignant colon neoplasm medulloblastoma ovarian cancer subependymal giant cell astrocytoma amnestic disorder atypical teratoid rhabdoid tumor breast fibroadenoma ductal breast carcinoma in situ invasive ductal breast carcinoma
B	Pharos: P62873	intellectual disability, autosomal dominant 42 melancholia intellectual disability endogenous depression medulloblastoma myopathy ovarian cancer Precursor Cell Lymphoblastic Leukemia Lymphoma anxiety disorder Sjogren syndrome chronic kidney disease juvenile dermatomyositis lung adenocarcinoma neurotic disorder pancreatic ductal adenocarcinoma intellectual disability, autosomal dominant 42 melancholia intellectual disability endogenous depression medulloblastoma myopathy ovarian cancer Precursor Cell Lymphoblastic Leukemia Lymphoma anxiety disorder Sjogren syndrome chronic kidney disease juvenile dermatomyositis lung adenocarcinoma neurotic disorder pancreatic ductal adenocarcinoma subependymal giant cell astrocytoma breast cancer Duchenne muscular dystrophy leukemia, acute lymphocytic, susceptibility to, 1 malignant pancreatic neoplasm myelodysplastic syndrome osteosarcoma plasma cell myeloma rheumatoid arthritis swine influenza childhood acute lymphoblastic leukemia depressive disorder
C	Pharos: P59768	pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma sarcoidosis ulcerative colitis adrenal cortex carcinoma breast carcinoma Duchenne muscular dystrophy glioblastoma large cell medulloblastoma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pituitary cancer Sjogren syndrome X-linked mixed deafness with perilymphatic gusher pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma sarcoidosis ulcerative colitis adrenal cortex carcinoma breast carcinoma Duchenne muscular dystrophy glioblastoma large cell medulloblastoma medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pituitary cancer Sjogren syndrome X-linked mixed deafness with perilymphatic gusher astrocytic tumor Crohn disease ductal breast carcinoma in situ interstitial cystitis lung carcinoma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma Pick disease primitive neuroectodermal tumor thoracic aortic aneurysm atypical teratoid rhabdoid tumor cystic fibrosis Emery-Dreifuss muscular dystrophy invasive ductal breast carcinoma malignant ependymoma osteosarcoma
E [auth R]	Pharos: Q9NYV8	atrioventricular block common cold Low cardiac output syndrome osteosarcoma breast cancer lung cancer Pick disease cardiac arrest large cell medulloblastoma malignant colon neoplasm progressive supranuclear palsy tuberculosis

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.

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8XQO

Structure of human class T GPCR TAS2R14-Gi complex with Aristolochic acid A.

External Resource: Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Pharos: Disease Associations Pharos Homepage Annotation