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Conserved domains on  [gi|223461006|gb|AAI38175|]
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V1re10 protein [Mus musculus]

Protein Classification

G protein-coupled receptor family protein( domain architecture ID 705710)

G protein-coupled receptor family protein is a seven-transmembrane G protein-coupled receptor (7TM-GPCR) family protein which typically transmits an extracellular signal into the cell by the conformational rearrangement of the 7TM helices and by the subsequent binding and activation of an intracellular heterotrimeric G protein; GPCR ligands include light-sensitive compounds, odors, pheromones, hormones, and neurotransmitters

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
7tm_GPCRs super family cl28897
seven-transmembrane G protein-coupled receptor superfamily; This hierarchical evolutionary ...
8-299 1.18e-69

seven-transmembrane G protein-coupled receptor superfamily; This hierarchical evolutionary model represents the seven-transmembrane (7TM) receptors, often referred to as G protein-coupled receptors (GPCRs), which transmit physiological signals from the outside of the cell to the inside via G proteins. GPCRs constitute the largest known superfamily of transmembrane receptors across the three kingdoms of life that respond to a wide variety of extracellular stimuli including peptides, lipids, neurotransmitters, amino acids, hormones, and sensory stimuli such as light, smell and taste. All GPCRs share a common structural architecture comprising of seven-transmembrane (TM) alpha-helices interconnected by three extracellular and three intracellular loops. A general feature of GPCR signaling is agonist-induced conformational changes in the receptors, leading to activation of the heterotrimeric G proteins, which consist of the guanine nucleotide-binding G-alpha subunit and the dimeric G-beta-gamma subunits. The activated G proteins then bind to and activate numerous downstream effector proteins, which generate second messengers that mediate a broad range of cellular and physiological processes. However, some 7TM receptors, such as the type 1 microbial rhodopsins, do not activate G proteins. Based on sequence similarity, GPCRs can be divided into six major classes: class A (the rhodopsin-like family), class B (the Methuselah-like, adhesion and secretin-like receptor family), class C (the metabotropic glutamate receptor family), class D (the fungal mating pheromone receptors), class E (the cAMP receptor family), and class F (the frizzled/smoothened receptor family). Nearly 800 human GPCR genes have been identified and are involved essentially in all major physiological processes. Approximately 40% of clinically marketed drugs mediate their effects through modulation of GPCR function for the treatment of a variety of human diseases including bacterial infections.


The actual alignment was detected with superfamily member cd13949:

Pssm-ID: 475119  Cd Length: 295  Bit Score: 217.91  E-value: 1.18e-69
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006   8 IKILFLSQITTGILGNFSLLIYYL-VYYIQHALKPTDLILMHLMASNALIVLFTGMPHTLAAFEiKQFLNDLGCRLILYI 86
Cdd:cd13949    3 IRITFFSEVGVGISANSILLLFHIfMFFRGHRPRSTDLIIGHLSLIHLLLLLTMGIIATDAFFS-WGGWDDITCKFLIYL 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  87 QSVGRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSKNMTRNRNFEY 166
Cdd:cd13949   82 HRVLRGLSLCTTCLLSVLQAITLSPRSSCLAKFKHKSPHHISGAFLFLWVLYMLISSHLLVSIIATPNLTSNNFIYVTQS 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006 167 CSIRGGDDINASLYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISPESRATQKILVLVCTFLAFY 246
Cdd:cd13949  162 CSILPMSYSMQSLFSTLLAFRDVFLIGLMLLSSGYMVALLHRHKKQVQHLHSTSLSPKASPEQRATQTILLLMSFFVVMY 241
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|...
gi 223461006 247 TISSVLQGCIALLHNHNWWLVNITRLTSLCFPSFGPFVLMNHCTFVPRLSLIW 299
Cdd:cd13949  242 ILDSIVFYSRTKFKNDSILYCVQIIVSHSYATVSPFVFLMTEKHIIKFLRSMC 294
 
Name Accession Description Interval E-value
7tm_V1R_pheromone cd13949
vomeronasal organ pheromone receptor type-1 family, member of the seven-transmembrane G ...
8-299 1.18e-69

vomeronasal organ pheromone receptor type-1 family, member of the seven-transmembrane G protein-coupled receptor superfamily; This family represents vomeronasal type-1 receptors (V1Rs) that are specifically expressed in the vomeronasal organ (VNO), which is the sensory organ of the accessory olfactory system present in amphibians, reptiles, and non-primate mammals such as mice and rodents, but it is non-functional or absent in humans, apes and monkeys. The VNO detects pheromones, chemicals released from animals that can influence social and reproductive behaviors, such as male-male aggression or sexual mating, in other members of the same species. On the other hand, the olfactory epithelium, which contains olfactory receptor neurons inside the nasal cavity, is responsible for detecting odor molecules (smells). There are two types of vertebrate pheromones: (1) small volatile molecules such as 2-heptanone, a substance in the urine of both male and female that extends estrous cycle length in female mice; and (2) water-soluble molecules such as the major histocompatibility complex (HMC) class-I peptide, which can induce the pregnancy block effect, the tendency for female rodents to abort their pregnancies upon exposure to the scent of an unknown male. While V1Rs and G-alpha(i2) protein are co-expressed in the apical neurons of the VNO, V2Rs (type-2 vomeronasal receptors) and G-alpha(o) protein are coexpressed in the basal layer of the VNO. Activation of V1R or V2R causes stimulation of phospholipase pathway, generating diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3). V1Rs have a short N-terminal extracellular domain, whereas V2Rs contain a long N-terminal extracellular domain, which is believed to bind pheromones. Although V1Rs share the seven-transmembrane domain structure with V1Rs and olfactory receptors, they share little sequence similarity with each other.


Pssm-ID: 320087  Cd Length: 295  Bit Score: 217.91  E-value: 1.18e-69
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006   8 IKILFLSQITTGILGNFSLLIYYL-VYYIQHALKPTDLILMHLMASNALIVLFTGMPHTLAAFEiKQFLNDLGCRLILYI 86
Cdd:cd13949    3 IRITFFSEVGVGISANSILLLFHIfMFFRGHRPRSTDLIIGHLSLIHLLLLLTMGIIATDAFFS-WGGWDDITCKFLIYL 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  87 QSVGRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSKNMTRNRNFEY 166
Cdd:cd13949   82 HRVLRGLSLCTTCLLSVLQAITLSPRSSCLAKFKHKSPHHISGAFLFLWVLYMLISSHLLVSIIATPNLTSNNFIYVTQS 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006 167 CSIRGGDDINASLYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISPESRATQKILVLVCTFLAFY 246
Cdd:cd13949  162 CSILPMSYSMQSLFSTLLAFRDVFLIGLMLLSSGYMVALLHRHKKQVQHLHSTSLSPKASPEQRATQTILLLMSFFVVMY 241
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|...
gi 223461006 247 TISSVLQGCIALLHNHNWWLVNITRLTSLCFPSFGPFVLMNHCTFVPRLSLIW 299
Cdd:cd13949  242 ILDSIVFYSRTKFKNDSILYCVQIIVSHSYATVSPFVFLMTEKHIIKFLRSMC 294
V1R pfam03402
Vomeronasal organ pheromone receptor family, V1R; This family represents one of two known ...
7-286 2.03e-64

Vomeronasal organ pheromone receptor family, V1R; This family represents one of two known vomeronasal organ receptor families, the V1R family.


Pssm-ID: 460912  Cd Length: 292  Bit Score: 204.49  E-value: 2.03e-64
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006    7 AIKILFLSQITTGILGNFSLLIYYLVYYI-QHALKPTDLILMHLMASNALIVLFTGMpHTLAAFEIKQFLNDLGCRLILY 85
Cdd:pfam03402   2 NIGIIFFSEVGVGISANSILLLFHIFMFFtGHRLRPTDLIIGHLSLIHLLMLLTMGI-IAMDAFGSQGRWDDTTCKFLIY 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006   86 IQSVGRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSKNMTRNRNFE 165
Cdd:pfam03402  81 LHRVLRGLSLCTTCLLSVLQAITLSPRSSCLAKFKHKSPHHISGAFLFLWVLYMSISSHLLLSIIATPNLTSSSFIYVTQ 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  166 YCSIRGGDDINASLYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISPESRATQKILVLVCTFLAF 245
Cdd:pfam03402 161 SCSILPMSYSMQSLFSTLLASRDVFLIGLMVLSSGYMVALLCRHKKQAQHLHGTSLSPKASPEQRATRTILLLMSFFVVM 240
                         250       260       270       280
                  ....*....|....*....|....*....|....*....|.
gi 223461006  246 YTISSVLQGCIALLHNHNwWLVNITRLTSLCFPSFGPFVLM 286
Cdd:pfam03402 241 YILDSIVSYSRTMFKNDS-IFYCVQILVSHSYATVSPFVLI 280
 
Name Accession Description Interval E-value
7tm_V1R_pheromone cd13949
vomeronasal organ pheromone receptor type-1 family, member of the seven-transmembrane G ...
8-299 1.18e-69

vomeronasal organ pheromone receptor type-1 family, member of the seven-transmembrane G protein-coupled receptor superfamily; This family represents vomeronasal type-1 receptors (V1Rs) that are specifically expressed in the vomeronasal organ (VNO), which is the sensory organ of the accessory olfactory system present in amphibians, reptiles, and non-primate mammals such as mice and rodents, but it is non-functional or absent in humans, apes and monkeys. The VNO detects pheromones, chemicals released from animals that can influence social and reproductive behaviors, such as male-male aggression or sexual mating, in other members of the same species. On the other hand, the olfactory epithelium, which contains olfactory receptor neurons inside the nasal cavity, is responsible for detecting odor molecules (smells). There are two types of vertebrate pheromones: (1) small volatile molecules such as 2-heptanone, a substance in the urine of both male and female that extends estrous cycle length in female mice; and (2) water-soluble molecules such as the major histocompatibility complex (HMC) class-I peptide, which can induce the pregnancy block effect, the tendency for female rodents to abort their pregnancies upon exposure to the scent of an unknown male. While V1Rs and G-alpha(i2) protein are co-expressed in the apical neurons of the VNO, V2Rs (type-2 vomeronasal receptors) and G-alpha(o) protein are coexpressed in the basal layer of the VNO. Activation of V1R or V2R causes stimulation of phospholipase pathway, generating diacylglycerol (DAG) and inositol 1,4,5-triphosphate (IP3). V1Rs have a short N-terminal extracellular domain, whereas V2Rs contain a long N-terminal extracellular domain, which is believed to bind pheromones. Although V1Rs share the seven-transmembrane domain structure with V1Rs and olfactory receptors, they share little sequence similarity with each other.


Pssm-ID: 320087  Cd Length: 295  Bit Score: 217.91  E-value: 1.18e-69
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006   8 IKILFLSQITTGILGNFSLLIYYL-VYYIQHALKPTDLILMHLMASNALIVLFTGMPHTLAAFEiKQFLNDLGCRLILYI 86
Cdd:cd13949    3 IRITFFSEVGVGISANSILLLFHIfMFFRGHRPRSTDLIIGHLSLIHLLLLLTMGIIATDAFFS-WGGWDDITCKFLIYL 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  87 QSVGRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSKNMTRNRNFEY 166
Cdd:cd13949   82 HRVLRGLSLCTTCLLSVLQAITLSPRSSCLAKFKHKSPHHISGAFLFLWVLYMLISSHLLVSIIATPNLTSNNFIYVTQS 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006 167 CSIRGGDDINASLYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISPESRATQKILVLVCTFLAFY 246
Cdd:cd13949  162 CSILPMSYSMQSLFSTLLAFRDVFLIGLMLLSSGYMVALLHRHKKQVQHLHSTSLSPKASPEQRATQTILLLMSFFVVMY 241
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|...
gi 223461006 247 TISSVLQGCIALLHNHNWWLVNITRLTSLCFPSFGPFVLMNHCTFVPRLSLIW 299
Cdd:cd13949  242 ILDSIVFYSRTKFKNDSILYCVQIIVSHSYATVSPFVFLMTEKHIIKFLRSMC 294
V1R pfam03402
Vomeronasal organ pheromone receptor family, V1R; This family represents one of two known ...
7-286 2.03e-64

Vomeronasal organ pheromone receptor family, V1R; This family represents one of two known vomeronasal organ receptor families, the V1R family.


Pssm-ID: 460912  Cd Length: 292  Bit Score: 204.49  E-value: 2.03e-64
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006    7 AIKILFLSQITTGILGNFSLLIYYLVYYI-QHALKPTDLILMHLMASNALIVLFTGMpHTLAAFEIKQFLNDLGCRLILY 85
Cdd:pfam03402   2 NIGIIFFSEVGVGISANSILLLFHIFMFFtGHRLRPTDLIIGHLSLIHLLMLLTMGI-IAMDAFGSQGRWDDTTCKFLIY 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006   86 IQSVGRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSKNMTRNRNFE 165
Cdd:pfam03402  81 LHRVLRGLSLCTTCLLSVLQAITLSPRSSCLAKFKHKSPHHISGAFLFLWVLYMSISSHLLLSIIATPNLTSSSFIYVTQ 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  166 YCSIRGGDDINASLYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISPESRATQKILVLVCTFLAF 245
Cdd:pfam03402 161 SCSILPMSYSMQSLFSTLLASRDVFLIGLMVLSSGYMVALLCRHKKQAQHLHGTSLSPKASPEQRATRTILLLMSFFVVM 240
                         250       260       270       280
                  ....*....|....*....|....*....|....*....|.
gi 223461006  246 YTISSVLQGCIALLHNHNwWLVNITRLTSLCFPSFGPFVLM 286
Cdd:pfam03402 241 YILDSIVSYSRTMFKNDS-IFYCVQILVSHSYATVSPFVLI 280
7tm_GPCRs cd14964
seven-transmembrane G protein-coupled receptor superfamily; This hierarchical evolutionary ...
19-286 2.11e-11

seven-transmembrane G protein-coupled receptor superfamily; This hierarchical evolutionary model represents the seven-transmembrane (7TM) receptors, often referred to as G protein-coupled receptors (GPCRs), which transmit physiological signals from the outside of the cell to the inside via G proteins. GPCRs constitute the largest known superfamily of transmembrane receptors across the three kingdoms of life that respond to a wide variety of extracellular stimuli including peptides, lipids, neurotransmitters, amino acids, hormones, and sensory stimuli such as light, smell and taste. All GPCRs share a common structural architecture comprising of seven-transmembrane (TM) alpha-helices interconnected by three extracellular and three intracellular loops. A general feature of GPCR signaling is agonist-induced conformational changes in the receptors, leading to activation of the heterotrimeric G proteins, which consist of the guanine nucleotide-binding G-alpha subunit and the dimeric G-beta-gamma subunits. The activated G proteins then bind to and activate numerous downstream effector proteins, which generate second messengers that mediate a broad range of cellular and physiological processes. However, some 7TM receptors, such as the type 1 microbial rhodopsins, do not activate G proteins. Based on sequence similarity, GPCRs can be divided into six major classes: class A (the rhodopsin-like family), class B (the Methuselah-like, adhesion and secretin-like receptor family), class C (the metabotropic glutamate receptor family), class D (the fungal mating pheromone receptors), class E (the cAMP receptor family), and class F (the frizzled/smoothened receptor family). Nearly 800 human GPCR genes have been identified and are involved essentially in all major physiological processes. Approximately 40% of clinically marketed drugs mediate their effects through modulation of GPCR function for the treatment of a variety of human diseases including bacterial infections.


Pssm-ID: 410628 [Multi-domain]  Cd Length: 267  Bit Score: 63.22  E-value: 2.11e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  19 GILGNFSLLIYYLVYYIQHalKPTDLILMHLMASNALIVLFTGMPHTLAAFEIKQFLNDLGCRLILYIQSVGRSVSISTT 98
Cdd:cd14964   12 GLLGNLLVLLSLVRLRKRP--RSTRLLLASLAACDLLASLVVLVLFFLLGLTEASSRPQALCYLIYLLWYGANLASIWTT 89
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  99 CLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIhfiffayILVKRNSKnmtrnrnFEYCSIRGGDDINAS 178
Cdd:cd14964   90 LVLTYHRYFALCGPLKYTRLSSPGKTRVIILGCWGVSLLLSIP-------PLVGKGAI-------PRYNTLTGSCYLICT 155
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006 179 LYTALVVCPEIFFSVLIAWSSVSMIVILYRHKQTFQHIHSnTIYSRISPESRATQKILVLVCTFLAFYTISSVLQGCIAL 258
Cdd:cd14964  156 TIYLTWGFLLVSFLLPLVAFLVIFSRIVLRLRRRVRAIRS-AASLNTDKNLKATKSLLILVITFLLCWLPFSIVFILHAL 234
                        250       260       270
                 ....*....|....*....|....*....|
gi 223461006 259 LHNHNW--WLVNITRLTSLCFPSFGPFVLM 286
Cdd:cd14964  235 VAAGQGlnLLSILANLLAVLASTLNPFIYC 264
7tm_classA_rhodopsin-like cd00637
rhodopsin receptor-like class A family of the seven-transmembrane G protein-coupled receptor ...
10-272 7.26e-07

rhodopsin receptor-like class A family of the seven-transmembrane G protein-coupled receptor superfamily; Class A rhodopsin-like receptors constitute about 90% of all GPCRs. The class A GPCRs include the light-sensitive rhodopsin as well as receptors for biogenic amines, lipids, nucleotides, odorants, peptide hormones, and a variety of other ligands. All GPCRs have a common structural architecture comprising of seven-transmembrane (TM) alpha-helices interconnected by three extracellular and three intracellular loops. A general feature of GPCR signaling is agonist-induced conformational changes in the receptors, leading to activation of the heterotrimeric G proteins, which consist of the guanine nucleotide-binding G-alpha subunit and the dimeric G-beta-gamma subunits. The activated G proteins then bind to and activate numerous downstream effector proteins, which generate second messengers that mediate a broad range of cellular and physiological processes. Based on sequence similarity, GPCRs can be divided into six major classes: class A (rhodopsin-like family), class B (Methuselah-like, adhesion and secretin-like receptor family), class C (metabotropic glutamate receptor family), class D (fungal mating pheromone receptors), class E (cAMP receptor family), and class F (frizzled/smoothened receptor family). Nearly 800 human GPCR genes have been identified and are involved essentially in all major physiological processes. Approximately 40% of clinically marketed drugs mediate their effects through modulation of GPCR function for the treatment of a variety of human diseases including bacterial infections.


Pssm-ID: 410626 [Multi-domain]  Cd Length: 275  Bit Score: 49.59  E-value: 7.26e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  10 ILFLSQITTGILGNfsLLIYYLVYYIQHALKPTDLILMHLMASNALIVLFTGMPHTLAAFEIKQFLNDLGCRLILYIQSV 89
Cdd:cd00637    3 VLYILIFVVGLVGN--LLVILVILRNRRLRTVTNYFILNLAVADLLVGLLVIPFSLVSLLLGRWWFGDALCKLLGFLQSV 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  90 GRSVSISTTCLLSVFQAITISHRKSCFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFFAYILVKRNSknmtrnrnfeYCSI 169
Cdd:cd00637   81 SLLASILTLTAISVDRYLAIVHPLRYRRRFTRRRAKLLIALIWLLSLLLALPPLLGWGVYDYGGYC----------CCCL 150
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006 170 RGGDDINASLYTALVVCPEIFF-SVLIAWSSVSMIVILYRHKQTFQHIHSNTIYSRISP-ESRATQKILVLVCTFLAFYT 247
Cdd:cd00637  151 CWPDLTLSKAYTIFLFVLLFLLpLLVIIVCYVRIFRKLRRHRRRIRSSSSNSSRRRRRRrERKVTKTLLIVVVVFLLCWL 230
                        250       260
                 ....*....|....*....|....*...
gi 223461006 248 ---ISSVLQGCIALLHNHNWWLVNITRL 272
Cdd:cd00637  231 pyfILLLLDVFGPDPSPLPRILYFLALL 258
7tmA_TRH-R cd14995
thyrotropin-releasing hormone receptor, member of the class A family of seven-transmembrane G ...
10-146 7.34e-03

thyrotropin-releasing hormone receptor, member of the class A family of seven-transmembrane G protein-coupled receptors; TRH-R is a member of the class A rhodopsin-like G protein-coupled receptors, which binds the tripeptide thyrotropin releasing hormone. The TRH-R activates phosphoinositide metabolism through a pertussis-toxin-insensitive G-protein, the G(q)/G(11) class. TRH stimulates the synthesis and release of thyroid-stimulating hormone in the anterior pituitary. TRH is produced in many other tissues, especially within the nervous system, where it appears to act as a neurotransmitter/neuromodulator. It also stimulates the synthesis and release of prolactin. In the CNS, TRH stimulates a number of behavioral and pharmacological actions, including increased turnover of catecholamines in the nucleus accumbens. There are two thyrotropin-releasing hormone receptors in some mammals, thyrotropin-releasing hormone receptor 1 (TRH1) which has been found in a number of species including rat, mouse, and human and thyrotropin-releasing hormone receptor 2 (TRH2) which has, only been found in rodents. These TRH receptors are found in high levels in the anterior pituitary, and are also found in the retina and in certain areas of the brain.


Pssm-ID: 320126 [Multi-domain]  Cd Length: 269  Bit Score: 37.36  E-value: 7.34e-03
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 223461006  10 ILFLSQITTGILGNfsLLIYYLVYYIQHALKPTDLILMHLMASNALIVLFTGMPHTLAAFEIKQ--FLNDLGCRLILYIQ 87
Cdd:cd14995    5 FLVLLICGVGIVGN--IMVVLVVLRTRHMRTPTNCYLVSLAVADLMVLVAAGLPNEIESLLGPDswIYGYAGCLLITYLQ 82
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....*....
gi 223461006  88 SVGRSVSISTTCLLSVFQAITISHRkscFKDQKVNAAKYIGCCIFSLWVLFVIIHFIFF 146
Cdd:cd14995   83 YLGINASSLSITAFTIERYIAICHP---MKAQFICTVSRAKKIICFVWIFTSLYCSPWL 138
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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