bitter taste receptor TAS2R38 [Lemur catta]
Protein Classification
7tm_TAS2R38 domain-containing protein( domain architecture ID 11606655)
7tm_TAS2R38 domain-containing protein
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| 7tm_TAS2R38 | cd15025 | mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled ... |
17-309 | 1.76e-139 | |||||
mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 38, which functions as a bitter taste receptor. Genetic variants of human TAS2R38 influence the ability to taste synthetic compounds 6-n-propylthiouracil (PROP) and phenylthiocarbamide (PTC). Thus, sensitivity to the bitter taste of PROP is often used as a marker for individual differences in taste perception that can affect food preferences and intake. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. : Pssm-ID: 320153 Cd Length: 293 Bit Score: 396.90 E-value: 1.76e-139
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| Name | Accession | Description | Interval | E-value | |||||
| 7tm_TAS2R38 | cd15025 | mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled ... |
17-309 | 1.76e-139 | |||||
mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 38, which functions as a bitter taste receptor. Genetic variants of human TAS2R38 influence the ability to taste synthetic compounds 6-n-propylthiouracil (PROP) and phenylthiocarbamide (PTC). Thus, sensitivity to the bitter taste of PROP is often used as a marker for individual differences in taste perception that can affect food preferences and intake. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320153 Cd Length: 293 Bit Score: 396.90 E-value: 1.76e-139
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| TAS2R | pfam05296 | Taste receptor protein (TAS2R); This family consists of several forms of eukaryotic taste ... |
17-314 | 2.05e-50 | |||||
Taste receptor protein (TAS2R); This family consists of several forms of eukaryotic taste receptor proteins (TAS2Rs). TAS2Rs are G protein-coupled receptors expressed in subsets of taste receptor cells of the tongue and palate epithelia in humans and mice, and are organized in the genome in clusters. The proteins are genetically linked to loci that influence bitter perception in mice and humans. Pssm-ID: 283059 Cd Length: 303 Bit Score: 169.76 E-value: 2.05e-50
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| Name | Accession | Description | Interval | E-value | |||||
| 7tm_TAS2R38 | cd15025 | mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled ... |
17-309 | 1.76e-139 | |||||
mammalian taste receptor 2, subtype 38, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 38, which functions as a bitter taste receptor. Genetic variants of human TAS2R38 influence the ability to taste synthetic compounds 6-n-propylthiouracil (PROP) and phenylthiocarbamide (PTC). Thus, sensitivity to the bitter taste of PROP is often used as a marker for individual differences in taste perception that can affect food preferences and intake. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320153 Cd Length: 293 Bit Score: 396.90 E-value: 1.76e-139
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| 7tm_TAS2R | cd13950 | mammalian taste receptors type 2, member of the seven-transmembrane G protein-coupled receptor ... |
17-307 | 1.14e-77 | |||||
mammalian taste receptors type 2, member of the seven-transmembrane G protein-coupled receptor superfamily; This group represents a family of mammalian taste receptors (TAS2Rs), which function as bitter taste receptors. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320088 Cd Length: 288 Bit Score: 239.39 E-value: 1.14e-77
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| TAS2R | pfam05296 | Taste receptor protein (TAS2R); This family consists of several forms of eukaryotic taste ... |
17-314 | 2.05e-50 | |||||
Taste receptor protein (TAS2R); This family consists of several forms of eukaryotic taste receptor proteins (TAS2Rs). TAS2Rs are G protein-coupled receptors expressed in subsets of taste receptor cells of the tongue and palate epithelia in humans and mice, and are organized in the genome in clusters. The proteins are genetically linked to loci that influence bitter perception in mice and humans. Pssm-ID: 283059 Cd Length: 303 Bit Score: 169.76 E-value: 2.05e-50
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| 7tm_TAS2R3 | cd15020 | mammalian taste receptor 2, subtype 3, member of the seven-transmembrane G protein-coupled ... |
17-307 | 6.96e-40 | |||||
mammalian taste receptor 2, subtype 3, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 3, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320148 Cd Length: 290 Bit Score: 141.76 E-value: 6.96e-40
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| 7tm_TAS2R1 | cd15016 | mammalian taste receptor 2, subtype 1, member of the seven-transmembrane G protein-coupled ... |
18-306 | 4.10e-37 | |||||
mammalian taste receptor 2, subtype 1, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 1, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320144 Cd Length: 283 Bit Score: 134.26 E-value: 4.10e-37
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| 7tm_TAS2R43-like | cd15027 | mammalian taste receptor 2, subtype 43, and related proteins, member of the ... |
17-307 | 1.40e-33 | |||||
mammalian taste receptor 2, subtype 43, and related proteins, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 43, which functions as a bitter taste receptor. Also included are the closely related taste receptors TAS2R19, TAS2R20, TAS2R30, TAS2R31, TAS2R45 and TAS2R50. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320155 Cd Length: 292 Bit Score: 125.00 E-value: 1.40e-33
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| 7tm_TAS2R40-like | cd15908 | taste receptor 2, subtypes 39 and 40, and similar receptors, member of the seven-transmembrane ... |
19-307 | 1.49e-33 | |||||
taste receptor 2, subtypes 39 and 40, and similar receptors, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtypes 39 and 40, which function as bitter taste receptors. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (taste of glutamate MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320574 Cd Length: 289 Bit Score: 125.26 E-value: 1.49e-33
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| 7tm_TAS2R14-like | cd15019 | mammalian taste receptor 2, subtype 14, member of the seven-transmembrane G protein-coupled ... |
17-307 | 2.07e-29 | |||||
mammalian taste receptor 2, subtype 14, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 14, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320147 Cd Length: 290 Bit Score: 114.16 E-value: 2.07e-29
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| 7tm_TAS2R7-like | cd15023 | mammalian taste receptor 2, subtypes 7 and 9, member of the seven-transmembrane G ... |
17-307 | 2.76e-29 | |||||
mammalian taste receptor 2, subtypes 7 and 9, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtypes 7 and 9, which function as bitter taste receptors. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320151 Cd Length: 291 Bit Score: 113.72 E-value: 2.76e-29
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| 7tm_TAS2R10 | cd15021 | mammalian taste receptor 2, subtype 10, member of the seven-transmembrane G protein-coupled ... |
17-307 | 5.28e-27 | |||||
mammalian taste receptor 2, subtype 10, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 10, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320149 Cd Length: 285 Bit Score: 107.47 E-value: 5.28e-27
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| 7tm_TAS2R42 | cd15024 | mammalian taste receptor 2, subtype 42, member of the seven-transmembrane G protein-coupled ... |
17-307 | 4.08e-26 | |||||
mammalian taste receptor 2, subtype 42, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 42, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320152 Cd Length: 288 Bit Score: 105.11 E-value: 4.08e-26
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| 7tm_TAS2R8 | cd15022 | mammalian taste receptor 2, subtype 8, member of the seven-transmembrane G protein-coupled ... |
16-307 | 4.86e-26 | |||||
mammalian taste receptor 2, subtype 8, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 8, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320150 Cd Length: 292 Bit Score: 104.86 E-value: 4.86e-26
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| 7tm_TAS2R16 | cd15017 | mammalian taste receptor 2, subtype 16, member of the seven-transmembrane G protein-coupled ... |
17-307 | 1.37e-25 | |||||
mammalian taste receptor 2, subtype 16, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 16, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320145 Cd Length: 285 Bit Score: 103.53 E-value: 1.37e-25
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| 7tm_TAS2R13 | cd15026 | mammalian taste receptor 2, subtype 13, member of the seven-transmembrane G protein-coupled ... |
17-307 | 1.44e-23 | |||||
mammalian taste receptor 2, subtype 13, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 13, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320154 Cd Length: 287 Bit Score: 98.33 E-value: 1.44e-23
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| 7tm_TAS2R41-like | cd15018 | mammalian taste receptor 2, subtype 41, member of the seven-transmembrane G protein-coupled ... |
18-305 | 2.97e-22 | |||||
mammalian taste receptor 2, subtype 41, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 41, which functions as a bitter taste receptor. Also included is the closely related TAS2R60. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320146 Cd Length: 290 Bit Score: 94.40 E-value: 2.97e-22
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| 7tm_TAS2R40 | cd15014 | mammalian taste receptor 2, subtype 40, member of the seven-transmembrane G-protein coupled ... |
19-307 | 6.35e-21 | |||||
mammalian taste receptor 2, subtype 40, member of the seven-transmembrane G-protein coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 40, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (taste of glutamate MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320142 Cd Length: 290 Bit Score: 90.77 E-value: 6.35e-21
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| 7tm_TAS2R4 | cd15013 | mammalian taste receptor 2, subtype 4, member of the seven-transmembrane G protein-coupled ... |
18-305 | 2.71e-19 | |||||
mammalian taste receptor 2, subtype 4, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (TAS2R) subtype 4, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (the taste of glutamate, MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320141 Cd Length: 286 Bit Score: 86.40 E-value: 2.71e-19
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| 7tm_TAS2R39 | cd15015 | mammalian taste receptor 2, subtype 39, member of the seven-transmembrane G protein-coupled ... |
25-307 | 7.25e-15 | |||||
mammalian taste receptor 2, subtype 39, member of the seven-transmembrane G protein-coupled receptor superfamily; This group includes the mammalian taste receptor 2 (T2R) subtype 39, which functions as a bitter taste receptor. The human TAS2R family contains about 25 functional members, which are glycoproteins and have the ability to form both homomeric and heteromeric receptor complexes. Five basic tastes are perceived by animals: bitter, sweet, sour, salty, and umami (taste of glutamate MSG). Among these, sour and salty are mediated by ion channels, while the perception of umami and sweet tastes is mediated by the TAS1R taste receptors, which belong to the class C GPCR family. The TAS2Rs in humans have a short extracellular N-terminus and the ligand binds within the transmembrane domain, whereas the TAS1Rs have a large N-terminal extracellular domain composed of the Venus flytrap module that forms the orthosteric (primary) ligand binding site. Signal transduction of bitter taste involves binding of bitter compounds to TAS2Rs linked to the alpha-subunit of gustducin, a heterotrimeric G protein expressed in taste receptor cells. This G-alpha subunit stimulates phosphodiesterase and decreases cAMP and cGMP levels. Further steps in the signaling cascade is still unknown. The beta-gamma-subunit of gustducin also mediates bitter taste transduction by activating phospholipase C, which leads to an increased formation of IP3 (inositol triphosphate) and DAG (diacylglycerol), thereby causing release of Ca2+ from intracellular stores and enhanced neurotransmitter release. Pssm-ID: 320143 Cd Length: 289 Bit Score: 73.80 E-value: 7.25e-15
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