+D Receptor KO
#
G Protein-Coupled Receptors - Cyanistes caeruleus (blue tit)
%
!
ARhodopsin family
B Biogenic amine
C Acetylcholine (muscarinic)
D 111936668 CHRM2; muscarinic acetylcholine receptor M2 isoform X1 K04130 CHRM2; muscarinic acetylcholine receptor M2
D 111926838 CHRM3; muscarinic acetylcholine receptor M3 K04131 CHRM3; muscarinic acetylcholine receptor M3
D 111930184 CHRM4; muscarinic acetylcholine receptor M4 K04132 CHRM4; muscarinic acetylcholine receptor M4
D 111930319 muscarinic acetylcholine receptor M5-like K04133 CHRM5; muscarinic acetylcholine receptor M5
D 111930320 muscarinic acetylcholine receptor M5-like K04133 CHRM5; muscarinic acetylcholine receptor M5
C Adrenaline
D 111938797 ADRA1A; alpha-1A adrenergic receptor K04135 ADRA1A; adrenergic receptor alpha-1A
D 111935785 ADRA1B; alpha-1B adrenergic receptor K04136 ADRA1B; adrenergic receptor alpha-1B
D 111929107 ADRA1D; alpha-1D adrenergic receptor K04137 ADRA1D; adrenergic receptor alpha-1D
D 111931312 ADRA2A; alpha-2A adrenergic receptor K04138 ADRA2A; adrenergic receptor alpha-2A
D 111928227 ADRA2C; alpha-2C adrenergic receptor K04140 ADRA2C; adrenergic receptor alpha-2C
D 111930959 ADRB1; beta-1 adrenergic receptor K04141 ADRB1; adrenergic receptor beta-1
D 111935768 ADRB2; beta-2 adrenergic receptor K04142 ADRB2; adrenergic receptor beta-2
C Dopamine
D 111935442 DRD1; D(1A) dopamine receptor K04144 DRD1; dopamine receptor D1
D 111939232 DRD2; D(2) dopamine receptor K04145 DRD2; dopamine receptor D2
D 111939296 DRD3; D(3) dopamine receptor isoform X1 K04146 DRD3; dopamine receptor D3
D 111930366 DRD4; D(4) dopamine receptor K04147 DRD4; dopamine receptor D4
D 111928469 DRD5; D(1B) dopamine receptor K05840 DRD5; dopamine receptor D5
D 111930919 D(1) dopamine receptor-like K05840 DRD5; dopamine receptor D5
D 111938815 LOW QUALITY PROTEIN: D(1) dopamine receptor-like K05840 DRD5; dopamine receptor D5
C Dopamine and ecdysteroid
C Histamine
D 111935229 HRH1; histamine H1 receptor isoform X1 K04149 HRH1; histamine receptor H1
D 111935472 HRH2; histamine H2 receptor K04150 HRH2; histamine receptor H2
D 111928319 probable G-protein coupled receptor No9 K04150 HRH2; histamine receptor H2
D 111924925 histamine H3 receptor-like K04151 HRH3; histamine receptor H3
D 111934781 histamine H3 receptor-like K04151 HRH3; histamine receptor H3
D 111924840 histamine H3 receptor-like K04151 HRH3; histamine receptor H3
D 111938180 HRH3; histamine H3 receptor K04151 HRH3; histamine receptor H3
C Octopamine and tryamine
C Serotonin
D 111925757 HTR1E; 5-hydroxytryptamine receptor 1E K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111943275 5-hydroxytryptamine receptor 1F-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111942053 HTR1D; 5-hydroxytryptamine receptor 1D K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111942588 5-hydroxytryptamine receptor 1F-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111944339 HTR1B; 5-hydroxytryptamine receptor 1B K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111941513 HTR1F; 5-hydroxytryptamine receptor 1F K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111941535 HTR1A; 5-hydroxytryptamine receptor 1A K04153 HTR1; 5-hydroxytryptamine receptor 1
D 111933427 HTR2B; 5-hydroxytryptamine receptor 2B K04157 HTR2; 5-hydroxytryptamine receptor 2
D 111929360 HTR2C; 5-hydroxytryptamine receptor 2C isoform X1 K04157 HTR2; 5-hydroxytryptamine receptor 2
D 111933807 HTR2A; 5-hydroxytryptamine receptor 2A K04157 HTR2; 5-hydroxytryptamine receptor 2
D 111935781 HTR4; 5-hydroxytryptamine receptor 4 isoform X1 K04160 HTR4; 5-hydroxytryptamine receptor 4
D 111932293 5-hydroxytryptamine receptor 5B-like K04161 HTR5; 5-hydroxytryptamine receptor 5
D 111925485 HTR5A; 5-hydroxytryptamine receptor 5A K04161 HTR5; 5-hydroxytryptamine receptor 5
D 111938505 HTR6; 5-hydroxytryptamine receptor 6 isoform X1 K04162 HTR6; 5-hydroxytryptamine receptor 6
D 111929127 5-hydroxytryptamine receptor 7-like K04163 HTR7; 5-hydroxytryptamine receptor 7
D 111930916 HTR7; 5-hydroxytryptamine receptor 7 K04163 HTR7; 5-hydroxytryptamine receptor 7
C Trace amine
D 111927705 LOW QUALITY PROTEIN: trace amine-associated receptor 2-like K05051 TAAR; trace amine associated receptor
D 111927710 LOW QUALITY PROTEIN: trace amine-associated receptor 1-like K05051 TAAR; trace amine associated receptor
B Peptide
C Adrenomedullin (G10D)
D 111940572 GPR182; G-protein coupled receptor 182 K04242 ADMR; adrenomedullin receptor
C Adropin
D 111930153 probable G-protein coupled receptor 19 K04316 GPR19; G protein-coupled receptor 19
D 111930098 probable G-protein coupled receptor 19 K04316 GPR19; G protein-coupled receptor 19
C Apelin
C Anaphylatoxin
D 111925893 C3AR1; C3a anaphylatoxin chemotactic receptor K04009 C3AR1; C3a anaphylatoxin chemotactic receptor
C Angiotensin
D 111933486 AGTR1; type-1 angiotensin II receptor K04166 AGTR1; angiotensin II receptor type 1
D 111928643 AGTR2; type-2 angiotensin II receptor K04167 AGTR2; angiotensin II receptor type 2
C BigLEN
C Bombesin
D 111926774 NMBR; LOW QUALITY PROTEIN: neuromedin-B receptor K04168 NMBR; neuromedin B receptor
D 111922847 GRPR; gastrin-releasing peptide receptor isoform X1 K04169 GRPR; gastrin-releasing peptide receptor
D 111928523 BRS3; bombesin receptor subtype-3 K04170 BRS3; bombesin receptor subtype-3
C Bradykinin
D 111929837 BDKRB1; B1 bradykinin receptor K03915 BDKRB1; bradykinin receptor B1
D 111929838 BDKRB2; B2 bradykinin receptor K03916 BDKRB2; bradykinin receptor B2
C Cholecystokinin
D 111928395 CCKAR; cholecystokinin receptor type A K04194 CCKAR; cholecystokinin A receptor
C Endothelin
D 111928842 EDNRA; endothelin-1 receptor K04197 EDNRA; endothelin receptor type A
D 111929267 LOW QUALITY PROTEIN: endothelin receptor type B-like K04198 EDNRB; endothelin receptor type B
D 111926926 EDNRB; endothelin receptor type B K04198 EDNRB; endothelin receptor type B
C fMet-Leu-Phe
C Follicle stimulating hormone (FSH)
D 111926319 follicle-stimulating hormone receptor isoform X1 K04247 FSHR; follicle stimulating hormone receptor
C Galanin
D 111925689 galanin receptor type 1-like K04230 GALR1; galanin receptor 1
D 111934576 galanin receptor type 1-like K04230 GALR1; galanin receptor 1
D 111937287 GALR2; galanin receptor type 2 K04231 GALR2; galanin receptor 2
D 111935114 GALR3; galanin receptor type 3 isoform X1 K04232 GALR3; galanin receptor 3
C Ghrelin
D 111933336 GHSR; growth hormone secretagogue receptor type 1 K04284 GHSR; growth hormone secretagogue receptor
C Gonadotropin-releasing hormone (GnRH)
D 111933979 GNRHR; gonadotropin-releasing hormone receptor K04280 GNRHR; gonadotropin-releasing hormone receptor
C Lutropin-choriogonadotropic hormone
D 111926318 LHCGR; lutropin-choriogonadotropic hormone receptor K04248 LHCGR; lutropin-choriogonadotropic hormone receptor
C Melanin-concentrating hormone (MCH)
D 111937313 melanin-concentrating hormone receptor 1-like K04320 MCHR1; melanin-concentrating hormone receptor 1
C Melanocortin
D 111943855 melanocyte-stimulating hormone receptor K04199 MC1R; melanocortin 1 receptor
D 111925026 MC2R; adrenocorticotropic hormone receptor K04200 MC2R; melanocortin 2 receptor
D 111938284 melanocortin receptor 3-like K04201 MC3R; melanocortin 3 receptor
D 111938285 MC3R; melanocortin receptor 3 K04201 MC3R; melanocortin 3 receptor
D 111923872 MC4R; melanocortin receptor 4 K04202 MC4R; melanocortin 4 receptor
D 111925005 MC5R; melanocortin receptor 5 K04203 MC5R; melanocortin 5 receptor
C Motilin
D 111942050 MLNR; motilin receptor K05266 MLNR; motilin receptor
C Neuromedin U
D 111933424 NMUR1; neuromedin-U receptor 1 K05052 NMUR1; neuromedin U receptor 1
D 111935514 NMUR2; neuromedin-U receptor 2 K05053 NMUR2; neuromedin U receptor 2
C Neuropeptide FF
D 111931467 NPFFR1; neuropeptide FF receptor 1 K04240 NPFFR1; neuropeptide FF receptor 1
C Neuropeptide S
D 111923601 NPSR1; neuropeptide S receptor K08376 NPSR1; neuropeptide S receptor
C Neuropeptide W / neuropeptide B
D 111924766 NPBWR1; neuropeptides B/W receptor type 1 K05268 NPBWR1; neuropeptides B/W receptor 1
D 111938101 NPBWR2; neuropeptides B/W receptor type 2 K08377 NPBWR2; neuropeptides B/W receptor 2
C Neuropeptide Y
D 111927881 NPY1R; neuropeptide Y receptor type 1 K04204 NPY1R; neuropeptide Y receptor type 1
D 111927845 NPY2R; neuropeptide Y receptor type 2 K04205 NPY2R; neuropeptide Y receptor type 2
D 111935548 neuropeptide Y receptor type 2-like K04205 NPY2R; neuropeptide Y receptor type 2
D 111931129 neuropeptide Y receptor type 4-like K04206 NPY4R; neuropeptide Y receptor type 4
D 111927882 NPY5R; neuropeptide Y receptor type 5 isoform X1 K04207 NPY5R; neuropeptide Y receptor type 5
D 111935580 neuropeptide Y receptor type 6-like K04208 NPY6R; neuropeptide Y receptor type 6
D 111928609 probable G-protein coupled receptor 83 isoform X1 K04210 GPR83; G protein-coupled receptor 83
D 111928611 probable G-protein coupled receptor 83 K04210 GPR83; G protein-coupled receptor 83
D 111924580 GPR83; probable G-protein coupled receptor 83 K04210 GPR83; G protein-coupled receptor 83
D 111944418 probable G-protein coupled receptor 83 K04210 GPR83; G protein-coupled receptor 83
C Neurotensin
D 111938075 NTSR1; neurotensin receptor type 1 K04211 NTSR1; neurotensin receptor 1
C Opioid
D 111939064 OPRD1; delta-type opioid receptor K04213 OPRD1; delta-type opioid receptor
D 111924731 OPRK1; kappa-type opioid receptor K04214 OPRK1; kappa-type opioid receptor
D 111926721 OPRM1; mu-type opioid receptor K04215 OPRM1; mu-type opioid receptor
D 111938102 OPRL1; nociceptin receptor isoform X1 K04216 OPRL1; nociceptin receptor
C Orexigenic neuropeptide QRFP
D 111929034 QRFPR; pyroglutamylated RFamide peptide receptor K08378 QRFPR; pyroglutamylated RFamide peptide receptor
C Orexin
D 111925870 HCRTR2; orexin receptor type 2 K04239 HCRTR2; hypocretin (orexin) receptor 2
C Oxytocin
D 111934914 OXTR; oxytocin receptor K04229 OXTR; oxytocin receptor
C Prokineticin
D 111926504 PROKR1; prokineticin receptor 1 K08380 PROKR2; prokineticin receptor 2
C Prolactin-releasing peptide (PrRP)
D 111931359 PRLHR; prolactin-releasing peptide receptor K04314 PRLHR; prolactin releasing hormone receptor
D 111930426 prolactin-releasing peptide receptor-like K04314 PRLHR; prolactin releasing hormone receptor
C Prosaposin
D 111922971 GPR37; prosaposin receptor GPR37 K04243 GPR37; prosaposin receptor
D 111939718 GPR37L1; prosaposin receptor GPR37L1 K04244 GPR37L1; prosaposin receptor
C Relaxin
D 111927866 RXFP1; relaxin receptor 1 isoform X1 K04306 RXFP1; relaxin family peptide receptor 1
D 111940978 RXFP3; relaxin-3 receptor 1 K08397 RXFP3; relaxin family peptide receptor 3
C Somatostatin
D 111929999 SSTR1; somatostatin receptor type 1 K04217 SSTR1; somatostatin receptor 1
D 111943328 SSTR2; somatostatin receptor type 2 K04218 SSTR2; somatostatin receptor 2
D 111935334 SSTR3; somatostatin receptor type 3 K04219 SSTR3; somatostatin receptor 3
D 111936160 SSTR5; somatostatin receptor type 5 K04221 SSTR5; somatostatin receptor 5
C Tachykinin
D 111938772 substance-P receptor-like K04222 TACR1; tachykinin receptor 1
D 111931494 TACR2; substance-K receptor isoform X1 K04223 TACR2; tachykinin receptor 2
D 111927749 TACR3; neuromedin-K receptor K04224 TACR3; tachykinin receptor 3
C Thrombin
D 111940635 F2R; proteinase-activated receptor 1 K03914 F2R; coagulation factor II (thrombin) receptor
D 111940827 F2RL1; proteinase-activated receptor 2 K04234 F2RL1; coagulation factor II (thrombin) receptor-like 1
D 111940723 F2RL2; proteinase-activated receptor 3 K04235 F2RL2; coagulation factor II (thrombin) receptor-like 2
D 111940359 F2RL3; LOW QUALITY PROTEIN: proteinase-activated receptor 4 K04236 F2RL3; coagulation factor II (thrombin) receptor-like 3
C Thyrotropin
D 111929929 TSHR; thyrotropin receptor K04249 TSHR; thyrotropin receptor
C Thyrotropin-releasing hormone (TRH)
D 111924356 TRHR; thyrotropin-releasing hormone receptor isoform X1 K04282 TRHR; thyrotropin-releasing hormone receptor
D 111938300 thyrotropin-releasing hormone receptor-like K04282 TRHR; thyrotropin-releasing hormone receptor
C Urotensin II
D 111935154 urotensin-2 receptor-like K04241 UTS2R; urotensin 2 receptor
D 111937514 urotensin-2 receptor-like K04241 UTS2R; urotensin 2 receptor
D 111937244 urotensin-2 receptor-like K04241 UTS2R; urotensin 2 receptor
C Vasopressin
D 111939677 AVPR1B; vasopressin V1b receptor K04227 AVPR1B; arginine vasopressin receptor 1B
D 111931852 arg8-vasotocin receptor-like K04228 AVPR2; arginine vasopressin receptor 2
C Neuropeptide receptors
B Chemokine
C CC Chemokine
D 111923569 CCR4; C-C chemokine receptor type 4 K04179 CCR4; C-C chemokine receptor type 4
D 111923559 C-C chemokine receptor type 5-like K04180 CCR5; C-C chemokine receptor type 5
D 111923560 C-C chemokine receptor type 5-like K04180 CCR5; C-C chemokine receptor type 5
D 111926925 CCR6; C-C chemokine receptor type 6 K04181 CCR6; C-C chemokine receptor type 6
D 111939960 CCR7; C-C chemokine receptor type 7 K04182 CCR7; C-C chemokine receptor type 7
D 111923561 C-C chemokine receptor type 8-like K04183 CCR8; C-C chemokine receptor type 8
D 111923565 CCR9; C-C chemokine receptor type 9 K04184 CCR9; C-C chemokine receptor type 9
D 111925559 ACKR2; atypical chemokine receptor 2 K04187 ACKR2; atypical chemokine receptor 2
D 111923878 ACKR4; atypical chemokine receptor 4 K04186 ACKR4; atypical chemokine receptor 4
D 111926390 GPR75; probable G-protein coupled receptor 75 K08417 GPR75; G protein-coupled receptor 75
C CXC Chemokine
D 111932197 C-X-C chemokine receptor type 2-like K05050 CXCR2; C-X-C chemokine receptor type 2
D 111931764 CXCR4; C-X-C chemokine receptor type 4 K04189 CXCR4; C-X-C chemokine receptor type 4
D 111939208 CXCR5; C-X-C chemokine receptor type 5 K04190 CXCR5; C-X-C chemokine receptor type 5
D 111931854 ACKR3; atypical chemokine receptor 3 K04304 CXCR7; C-X-C chemokine receptor type 7 (atypical chemokine receptor 3)
D 111933758 G-protein coupled receptor 35-like K04276 CXCR8; C-X-C chemokine receptor type 8
D 111933759 G-protein coupled receptor 35-like K04276 CXCR8; C-X-C chemokine receptor type 8
D 111933661 G-protein coupled receptor 35-like K04276 CXCR8; C-X-C chemokine receptor type 8
C CX3C Chemokine
D 111923570 CX3C chemokine receptor 1-like isoform X1 K04192 CX3CR1; CX3C chemokine receptor 1
C C Chemokine
D 111923562 XCR1; chemokine XC receptor 1 K04193 XCR1; XC chemokine receptor 1
C Chemokine like
D 111936434 CMKLR1; chemokine-like receptor 1 K04245 CMKLR1; chemokine-like receptor 1
D 111936153 chemokine-like receptor 1 K04245 CMKLR1; chemokine-like receptor 1
D 111932022 GPR1; G-protein coupled receptor 1 isoform X1 K04310 GPR1; G protein-coupled receptor 1
D 111939404 GPR15; G-protein coupled receptor 15 K08403 GPR15; G protein-coupled receptor 15
B Base and nucleoside
C Purine / pyrimidine
D 111933257 P2RY1; P2Y purinoceptor 1 K04270 P2RY1; P2Y purinoceptor 1
D 111932093 P2Y purinoceptor 1-like K04270 P2RY1; P2Y purinoceptor 1
D 111938243 P2Y purinoceptor 1-like K04270 P2RY1; P2Y purinoceptor 1
D 111930997 P2RY2; P2Y purinoceptor 2 K04269 P2RY2; P2Y purinoceptor 2
D 111928594 P2RY4; P2Y purinoceptor 4 K04271 P2RY4; P2Y purinoceptor 4
D 111931007 P2RY6; P2Y purinoceptor 6 K04272 P2RY6; P2Y purinoceptor 6
D 111945715 P2RY8; P2Y purinoceptor 8 K08386 P2RY8; P2Y purinoceptor 8
D 111933250 P2RY12; P2Y purinoceptor 12 K04298 P2RY12; P2Y purinoceptor 12
D 111933249 P2RY13; P2Y purinoceptor 13 isoform X1 K08388 P2RY13; P2Y purinoceptor 13
D 111933195 P2RY14; P2Y purinoceptor 14 K04299 P2RY14; P2Y purinoceptor 14
D 111933196 SUCNR1; succinate receptor 1 K10042 SUCNR1; succinate receptor 1
C Adenosine
D 111939632 adenosine receptor A1 K04265 ADORA1; adenosine receptor A1
D 111936631 ADORA2A; adenosine receptor A2a isoform X1 K04266 ADORA2A; adenosine receptor A2a
D 111937793 ADORA2B; adenosine receptor A2b K04267 ADORA2B; adenosine receptor A2b
D 111939771 ADORA3; adenosine receptor A3 K04268 ADORA3; adenosine receptor A3
B Lipid
C Arachidonylglycine
D 111945244 GPR18; N-arachidonyl glycine receptor K08410 GPR18; N-arachidonyl glycine receptor
C Bile acid
C Cysteinyl leukotriene
D 111928587 CYSLTR1; cysteinyl leukotriene receptor 1 K04322 CYSLTR1; cysteinyl leukotriene receptor 1
D 111926400 CYSLTR2; cysteinyl leukotriene receptor 2 K04323 CYSLTR2; cysteinyl leukotriene receptor 2
C Free fatty acid
D 111930923 FFAR4; free fatty acid receptor 4 K08425 FFAR4; free fatty acid receptor 4
C HETE and oxoETE
C Leukotriene
C Lysophosphatidic acid
D 111941320 LPAR1; lysophosphatidic acid receptor 1 K04289 LPAR1; lysophosphatidic acid receptor 1
D 111937972 lysophosphatidic acid receptor 1-like K04289 LPAR1; lysophosphatidic acid receptor 1
D 111945421 LPAR2; lysophosphatidic acid receptor 2 K04291 LPAR2; lysophosphatidic acid receptor 2
D 111932850 LPAR3; lysophosphatidic acid receptor 3 K04294 LPAR3; lysophosphatidic acid receptor 3
D 111928583 LPAR4; lysophosphatidic acid receptor 4 K04275 LPAR4; lysophosphatidic acid receptor 4
D 111938362 LPAR5; lysophosphatidic acid receptor 5 K08390 LPAR5; lysophosphatidic acid receptor 5
D 111939055 LPAR6; lysophosphatidic acid receptor 6 isoform X1 K04273 LPAR6; lysophosphatidic acid receptor 6
D 111933248 GPR87; G-protein coupled receptor 87 K08389 GPR87; G protein-coupled receptor 87
C Lysophosphatidylinositol
D 111933757 GPR55; G-protein coupled receptor 55 K08413 GPR55; G protein-coupled receptor 55
D 111933652 G-protein coupled receptor 55-like K08413 GPR55; G protein-coupled receptor 55
C Lysophosphatidylserine
D 111927084 GPR34; probable G-protein coupled receptor 34 K08383 GPR34; G protein-coupled receptor 34
D 111928731 uncharacterized protein LOC111928731 K04274 P2RY10; P2Y purinoceptor 10
D 111928579 probable G-protein coupled receptor 174 K08391 GPR174; G protein-coupled receptor 174
C Oleoylethanolamide
D 111929328 GPR119; glucose-dependent insulinotropic receptor K08424 GPR119; glucose-dependent insulinotropic receptor
C Prostaglandin
D 111929655 prostaglandin E2 receptor EP2 subtype-like K04259 PTGER2; prostaglandin E receptor 2
D 111941406 PTGER4; prostaglandin E2 receptor EP4 subtype K04261 PTGER4; prostaglandin E receptor 4
D 111933173 PTGFR; prostaglandin F2-alpha receptor isoform X1 K04262 PTGFR; prostaglandin F receptor
C Prostacyclin
C Sphingolipid
D 111942847 S1PR1; sphingosine 1-phosphate receptor 1 K04288 S1PR1; sphingosine 1-phosphate receptor 1
D 111942579 S1PR2; sphingosine 1-phosphate receptor 2 K04292 S1PR2; sphingosine 1-phosphate receptor 2
D 111941708 S1PR3; sphingosine 1-phosphate receptor 3 K04290 S1PR3; sphingosine 1-phosphate receptor 3
D 111940399 S1PR4; sphingosine 1-phosphate receptor 4 K04293 S1PR4; sphingosine 1-phosphate receptor 4
C Thromboxane
D 111940349 TBXA2R; thromboxane A2 receptor K04264 TBXA2R; thromboxane A2 receptor
B Vision
C Opsin
D 111934905 RHO; rhodopsin K04250 RHO; rhodopsin
D 111939785 green-sensitive opsin K04250 RHO; rhodopsin
D 111937820 pinopsin-like K04251 OPN1LW; long/medium wavelength-sensitive opsin
D 111931665 vertebrate ancient opsin-like K04256 OPN3; c-opsin
D 111922686 pinopsin-like K04256 OPN3; c-opsin
D 111927009 OPN3; opsin-3 K04256 OPN3; c-opsin
D 111931431 OPN4; melanopsin K04255 OPN4; r-opsin
D 111928491 melanopsin-like K04255 OPN4; r-opsin
D 111946112 melanopsin-like K04255 OPN4; r-opsin
D 111927431 OPN5; opsin-5 isoform X1 K08385 OPN5; G0-opsin
D 111938418 opsin-5-like K08385 OPN5; G0-opsin
D 111927781 RRH; visual pigment-like receptor peropsin K04253 RRH; visual pigment-like receptor peropsin
D 111931591 RGR; RPE-retinal G protein-coupled receptor K04254 RGR; retinal G protein coupled receptor
B Others
C Alpha-ketoglutarate
D 111922739 OXGR1; 2-oxoglutarate receptor 1 K08419 OXGR1; oxoglutarate (alpha-ketoglutarate) receptor 1
C Cannabinoid
D 111925745 CNR1; cannabinoid receptor 1 K04277 CNR1; cannabinoid receptor 1
D 111939121 CNR2; cannabinoid receptor 2 isoform X1 K04278 CNR2; cannabinoid receptor 2
C Estrogen
D 111936072 GPER1; G-protein coupled estrogen receptor 1 K04246 GPER1; G-protein coupled estrogen receptor 1
C Hydroxy-carboxylic acid
C L-Tryptophan and L-Phenylalanine
D 111935996 GPR139; probable G-protein coupled receptor 139 K08428 GPR139; G protein-coupled receptor 139
D 111942413 GPR142; probable G-protein coupled receptor 142 K08430 GPR142; G protein-coupled receptor 142
C Mas proto-oncogene and Mas-related (MRGs)
D 111927709 MAS1; proto-oncogene Mas K04303 MAS1; proto-oncogene Mas
C Melatonin
D 111929343 GPR50; melatonin-related receptor isoform X1 K04285 MTNR1A; melatonin receptor type 1A
D 111928435 MTNR1A; melatonin receptor type 1A K04285 MTNR1A; melatonin receptor type 1A
D 111924848 MTNR1B; melatonin receptor type 1B K04286 MTNR1B; melatonin receptor type 1B
C Oxysterol
D 111922741 G-protein coupled receptor 183-like K04305 EBI2; Epstein-Barr virus induced gene 2
D 111945218 GPR183; G-protein coupled receptor 183 isoform X1 K04305 EBI2; Epstein-Barr virus induced gene 2
C Platelet activating factor
D 111939026 PTAFR; platelet-activating factor receptor K04279 PTAFR; platelet-activating factor receptor
C Proton-sensing GPCRs
D 111929918 GPR65; psychosine receptor K08416 GPR65; psychosine receptor
D 111929886 GPR68; ovarian cancer G-protein coupled receptor 1 K08408 GPR68; ovarian cancer G-protein coupled receptor 1
D 111929750 GPR132; probable G-protein coupled receptor 132 K08426 GPR132; G protein-coupled receptor 132
C R-spondin
D 111930480 LGR4; leucine-rich repeat-containing G-protein coupled receptor 4 K04309 LGR4; leucine-rich repeat-containing G protein-coupled receptor 4
D 111937544 LGR5; leucine-rich repeat-containing G-protein coupled receptor 5 K04308 LGR5; leucine-rich repeat-containing G protein-coupled receptor 5
D 111939898 LGR6; leucine-rich repeat-containing G-protein coupled receptor 6 isoform X1 K08399 LGR6; leucine-rich repeat-containing G protein-coupled receptor 6
C Super conserved receptor expressed in brain (SREB)
D 111934956 GPR27; probable G-protein coupled receptor 27 K04301 SREB1; super conserved receptor expressed in brain 1
D 111931641 GPR85; probable G-protein coupled receptor 85 K04302 SREB2; super conserved receptor expressed in brain 2
C Trissin
C Orphan GPCRs / unclassified GPCRs
D 111939073 GPR3; G-protein coupled receptor 3 K04311 GPR3; G protein-coupled receptor 3
D 111927261 GPR6; G-protein coupled receptor 6 K04313 GPR6; G protein-coupled receptor 6
D 111944746 G-protein coupled receptor 12-like K04315 GPR12; G protein-coupled receptor 12
D 111923359 GPR12; G-protein coupled receptor 12 K04315 GPR12; G protein-coupled receptor 12
D 111933673 GPR17; uracil nucleotide/cysteinyl leukotriene receptor K08404 GPR17; G protein-coupled receptor 17
D 111925185 GPR20; G-protein coupled receptor 20 K04317 GPR20; G protein-coupled receptor 20
D 111937105 GPR21; probable G-protein coupled receptor 21 K04318 GPR21; G protein-coupled receptor 21
D 111922998 GPR22; probable G-protein coupled receptor 22 K04319 GPR22; G protein-coupled receptor 22
D 111931389 GPR26; G-protein coupled receptor 26 K08411 GPR26; G protein-coupled receptor 26
D 111928224 GPR78; G-protein coupled receptor 78 K08411 GPR26; G protein-coupled receptor 26
D 111932571 GPR52; G-protein coupled receptor 52 K08407 GPR52; G protein-coupled receptor 52
D 111942725 GPR61; probable G-protein coupled receptor 61 K08414 GPR61; G protein-coupled receptor 61
D 111935147 probable G-protein coupled receptor K08414 GPR61; G protein-coupled receptor 61
D 111925709 GPR63; probable G-protein coupled receptor 63 K04321 GPR63; G protein-coupled receptor 63
D 111927095 GPR82; probable G-protein coupled receptor 82 K08420 GPR82; G protein-coupled receptor 82
D 111932567 GPR88; probable G-protein coupled receptor 88 K08422 GPR88; G protein-coupled receptor 88
D 111923617 probable G-protein coupled receptor 141 K08429 GPR141; G protein-coupled receptor 141
D 111923618 probable G-protein coupled receptor 141 K08429 GPR141; G protein-coupled receptor 141
D 111936074 GPR146; LOW QUALITY PROTEIN: probable G-protein coupled receptor 146 K08431 GPR146; G protein-coupled receptor 146
D 111933663 GPR148; probable G-protein coupled receptor 148 K08432 GPR148; G protein-coupled receptor 148
D 111933264 GPR149; probable G-protein coupled receptor 149 K08433 GPR149; G protein-coupled receptor 149
D 111933321 GPR160; probable G-protein coupled receptor 160 isoform X1 K08438 GPR160; G protein-coupled receptor 160
D 111939709 GPR161; G-protein coupled receptor 161 isoform X1 K08439 GPR161; G protein-coupled receptor 161
D 111944560 GPR162; probable G-protein coupled receptor 162 K08440 GPR162; G protein-coupled receptor 162
D 111930092 GPR176; G-protein coupled receptor 176 K08442 GPR176; G protein-coupled receptor 176
#
ASecretin receptor family
B Calcium-regulating peptide
C Calcitonin
D 111924223 CALCR; calcitonin receptor K04576 CALCR; calcitonin receptor
D 111931705 calcitonin gene-related peptide type 1 receptor-like K04577 CALCRL; calcitonin receptor-like
D 111931909 calcitonin gene-related peptide type 1 receptor-like K04577 CALCRL; calcitonin receptor-like
C Parathyroid hormone
D 111945400 parathyroid hormone/parathyroid hormone-related peptide receptor-like K04585 PTH1R; parathyroid hormone receptor 1
D 111925475 parathyroid hormone/parathyroid hormone-related peptide receptor-like K04585 PTH1R; parathyroid hormone receptor 1
D 111939922 LOW QUALITY PROTEIN: parathyroid hormone/parathyroid hormone-related peptide receptor-like K04585 PTH1R; parathyroid hormone receptor 1
B Hypothalamic hormone
C Corticotropin-releasing hormone (CRH)
D 111939929 CRHR1; corticotropin-releasing factor receptor 1 isoform X1 K04578 CRHR1; corticotropin releasing hormone receptor 1
D 111925460 corticotropin-releasing factor receptor 2-like K04579 CRHR2; corticotropin releasing hormone receptor 2
C Growth hormone-releasing hormone (GHRH)
D 111925463 GHRHR; growth hormone-releasing hormone receptor K04584 GHRHR; growth hormone releasing hormone receptor
B Pancreatic peptide
C Glucagon
D 111927535 GLP1R; glucagon-like peptide 1 receptor K04581 GLP1R; glucagon-like peptide 1 receptor
D 111937218 GLP2R; glucagon-like peptide 2 receptor K04582 GLP2R; glucagon-like peptide 2 receptor
D 111937490 GCGR; glucagon receptor isoform X1 K04583 GCGR; glucagon receptor
D 111935888 glucagon receptor-like K04583 GCGR; glucagon receptor
B Gut peptide
C Gastric inhibitory peptide (GIP)
C Vasoactive intestinal polypeptide (VIP) and pituitary adenyl cyclase-activating peptide (PACAP)
D 111925546 vasoactive intestinal polypeptide receptor 1-like K04589 VIPR1; vasoactive intestinal peptide receptor 1
D 111925547 vasoactive intestinal polypeptide receptor K04589 VIPR1; vasoactive intestinal peptide receptor 1
D 111940083 vasoactive intestinal polypeptide receptor 1-like K04589 VIPR1; vasoactive intestinal peptide receptor 1
D 111925452 VIPR2; vasoactive intestinal polypeptide receptor 2 K04590 VIPR2; vasoactive intestinal peptide receptor 2
D 111925545 ADCYAP1R1; pituitary adenylate cyclase-activating polypeptide type I receptor isoform X1 K04587 ADCYAP1R1; pituitary adenylate cyclase-activating polypeptide type I receptor
C Secretin
D 111932282 SCTR; secretin receptor isoform X1 K04588 SCTR; secretin receptor
B Others
C Receptor activity modifying protein
D 111931690 RAMP1; receptor activity-modifying protein 1 K08447 RAMP1; receptor activity modifying protein 1
D 111942736 RAMP2; receptor activity-modifying protein 2 K08448 RAMP2; receptor activity modifying protein 2
D 111923700 RAMP3; receptor activity-modifying protein 3 K08449 RAMP3; receptor activity modifying protein 3
C Methuselah-like proteins (MTH)
C Pigment dispersing factor (PDF)
#
AAdhesion receptor family
B Cadherin EGF LAG (CELSR)
C 111923025 CELSR1; cadherin EGF LAG seven-pass G-type receptor 1 isoform X1 K04600 CELSR1; cadherin EGF LAG seven-pass G-type receptor 1
C 111944820 cadherin EGF LAG seven-pass G-type receptor 2-like K04601 CELSR2; cadherin EGF LAG seven-pass G-type receptor 2
C 111939726 CELSR2; cadherin EGF LAG seven-pass G-type receptor 2 K04601 CELSR2; cadherin EGF LAG seven-pass G-type receptor 2
C 111935093 CELSR3; cadherin EGF LAG seven-pass G-type receptor 3 K04602 CELSR3; cadherin EGF LAG seven-pass G-type receptor 3
B EGF-like module-containing mucin-like hormone receptor-like (EMR)
B Latrophilin
C 111933179 ADGRL2; adhesion G protein-coupled receptor L2 isoform X1 K04593 ADGRL2; adhesion G protein-coupled receptor L2
C 111928802 ADGRL3; adhesion G protein-coupled receptor L3 isoform X1 K04594 ADGRL3; adhesion G protein-coupled receptor L3
C 111933176 ADGRL4; adhesion G protein-coupled receptor L4 isoform X1 K04595 ADGRL4; adhesion G protein-coupled receptor L4
B Brain-specific angiogenesis inhibitor (BAI)
C 111938979 ADGRB2; adhesion G protein-coupled receptor B2 K04597 ADGRB2; adhesion G protein-coupled receptor B2
C 111925826 ADGRB3; adhesion G protein-coupled receptor B3 isoform X1 K04598 ADGRB3; adhesion G protein-coupled receptor B3
B Others
C 111931215 ADGRA1; adhesion G protein-coupled receptor A1 K08460 ADGRA1; adhesion G protein-coupled receptor A1
C 111928462 ADGRA3; adhesion G protein-coupled receptor A3 K08462 ADGRA3; adhesion G protein-coupled receptor A3
C 111936330 ADGRD1; adhesion G-protein coupled receptor D1 isoform X1 K08465 ADGRD1; adhesion G-protein coupled receptor D1
C 111937110 ADGRD2; adhesion G-protein coupled receptor D2 K08466 ADGRD2; adhesion G-protein coupled receptor D2
C 111927430 adhesion G protein-coupled receptor F4-like isoform X1 K08457 ADGRF4; adhesion G-protein coupled receptor F4
C 111927424 ADGRF5; adhesion G protein-coupled receptor F5 isoform X1 K08458 ADGRF5; adhesion G-protein coupled receptor F5
C 111934482 ADGRG1; adhesion G-protein coupled receptor G1 K08450 ADGRG1; adhesion G-protein coupled receptor G1
C 111922867 ADGRG2; adhesion G-protein coupled receptor G2 isoform X1 K08451 ADGRG2; adhesion G-protein coupled receptor G2
C 111934483 ADGRG3; adhesion G protein-coupled receptor G3 isoform X1 K08452 ADGRG3; adhesion G-protein coupled receptor G3
C 111928522 ADGRG4; adhesion G-protein coupled receptor G4 isoform X1 K08455 ADGRG4; adhesion G-protein coupled receptor G4
C 111926770 ADGRG6; adhesion G-protein coupled receptor G6 isoform X1 K08463 ADGRG6; adhesion G-protein coupled receptor G6
C 111941839 ADGRV1; G-protein coupled receptor 98 K18263 ADGRV1; adhesion G-protein coupled receptor V1
#
AMetabotropic glutamate receptor family
B Glutamate (metabotropic)
C 111927059 GRM1; metabotropic glutamate receptor 1 K04603 GRM1; metabotropic glutamate receptor 1
C 111935138 GRM2; metabotropic glutamate receptor 2 K04605 GRM2; metabotropic glutamate receptor 2
C 111923094 GRM3; metabotropic glutamate receptor 3 K04606 GRM3; metabotropic glutamate receptor 3
C 111939772 GRM4; metabotropic glutamate receptor 4 K04607 GRM4; metabotropic glutamate receptor 4
C 111924947 GRM5; metabotropic glutamate receptor 5 isoform X1 K04604 GRM5; metabotropic glutamate receptor 5
C 111934917 GRM7; metabotropic glutamate receptor 7 isoform X1 K04609 GRM7; metabotropic glutamate receptor 7
C 111922977 GRM8; metabotropic glutamate receptor 8 isoform X1 K04610 GRM8; metabotropic glutamate receptor 8
B GABA
C 111922552 GABBR1; gamma-aminobutyric acid type B receptor subunit 1 K04615 GABBR; gamma-aminobutyric acid type B receptor
C 111925320 GABBR2; gamma-aminobutyric acid type B receptor subunit 2 K04615 GABBR; gamma-aminobutyric acid type B receptor
C 111938877 GPR156; probable G-protein coupled receptor 156 isoform X1 K04617 GPR156; gamma-aminobutyric acid type B receptor-like
B Calcium-sensing
C 111938543 CASR; extracellular calcium-sensing receptor K04612 CASR; calcium-sensing receptor
C 111927181 GPRC6A; G-protein coupled receptor family C group 6 member A isoform X1 K04622 GPRC6A; G protein-coupled receptor family C group 6 member A
B Orphan GPRC5
C 111930788 retinoic acid-induced protein 3-like K08468 GPRC5A; G protein-coupled receptor family C group 5 member A
C 111935994 GPRC5B; G-protein coupled receptor family C group 5 member B K04619 GPRC5B; G protein-coupled receptor family C group 5 member B
C 111946114 GPRC5C; G-protein coupled receptor family C group 5 member C K04620 GPRC5C; G protein-coupled receptor family C group 5 member C
B Unclassified GPCRs
C 111924374 probable G-protein coupled receptor 158 K08469 GPR158; G protein-coupled receptor 158
#
AFrizzled / Smoothened family
B 111931995 FZD7; frizzled-7 K02432 FZD1_7; frizzled 1/7
B 111943678 frizzled-1 K02432 FZD1_7; frizzled 1/7
B 111944337 frizzled-2 K02235 FZD2; frizzled 2
B 111927353 FZD3; frizzled-3 K02329 FZD3; frizzled 3
B 111924964 FZD4; frizzled-4 K02354 FZD4; frizzled 4
B 111932008 FZD5; frizzled-5 K02375 FZD5_8; frizzled 5/8
B 111924483 FZD6; frizzled-6 K02376 FZD6; frizzled 6
B 111936339 FZD10; frizzled-10 K02842 FZD9_10; frizzled 9/10
B 111937611 FZD9; frizzled-9 K02842 FZD9_10; frizzled 9/10
B 111923196 SMO; smoothened homolog K06226 SMO; smoothened
#
AOthers
B Chemoreception
C Olfactory
D 111930596 olfactory receptor 1019-like K04257 OLFR; olfactory receptor
D 111930597 olfactory receptor 1052-like K04257 OLFR; olfactory receptor
D 111930627 olfactory receptor 4D5-like K04257 OLFR; olfactory receptor
D 111930629 olfactory receptor 4S2-like K04257 OLFR; olfactory receptor
D 111922498 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111930432 olfactory receptor 5V1-like K04257 OLFR; olfactory receptor
D 111945038 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111945187 olfactory receptor 6F1-like isoform X1 K04257 OLFR; olfactory receptor
D 111945369 olfactory receptor 14A16-like K04257 OLFR; olfactory receptor
D 111945723 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111942220 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111942565 olfactory receptor 14C36-like K04257 OLFR; olfactory receptor
D 111943046 olfactory receptor 10AC1-like K04257 OLFR; olfactory receptor
D 111943344 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111943705 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111923206 olfactory receptor 5V1-like K04257 OLFR; olfactory receptor
D 111930392 olfactory receptor 8J2-like K04257 OLFR; olfactory receptor
D 111944858 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111945863 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111946126 olfactory receptor 14A16-like K04257 OLFR; olfactory receptor
D 111946137 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111946156 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111943745 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111943770 LOW QUALITY PROTEIN: olfactory receptor 52K2-like K04257 OLFR; olfactory receptor
D 111943809 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111944016 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111944188 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111944190 olfactory receptor 51G2-like K04257 OLFR; olfactory receptor
D 111944453 olfactory receptor 14C36-like K04257 OLFR; olfactory receptor
D 111922061 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111922066 olfactory receptor 14A16-like K04257 OLFR; olfactory receptor
D 111922106 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111942871 olfactory receptor 5V1-like K04257 OLFR; olfactory receptor
D 111942879 olfactory receptor 51E2-like K04257 OLFR; olfactory receptor
D 111942888 LOW QUALITY PROTEIN: olfactory receptor 52I1-like K04257 OLFR; olfactory receptor
D 111943436 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111942899 olfactory receptor 52B2-like K04257 OLFR; olfactory receptor
D 111942969 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111940150 olfactory receptor 10A5-like K04257 OLFR; olfactory receptor
D 111940151 olfactory receptor 4D2-like K04257 OLFR; olfactory receptor
D 111940155 olfactory receptor 12-like K04257 OLFR; olfactory receptor
D 111940156 olfactory receptor 49-like K04257 OLFR; olfactory receptor
D 111940157 olfactory receptor 6Y1-like K04257 OLFR; olfactory receptor
D 111940158 olfactory receptor 10C1-like K04257 OLFR; olfactory receptor
D 111940163 olfactory receptor 6B1-like K04257 OLFR; olfactory receptor
D 111945289 olfactory receptor 14I1-like K04257 OLFR; olfactory receptor
D 111945386 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111945513 olfactory receptor 52B2-like K04257 OLFR; olfactory receptor
D 111945653 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111945958 olfactory receptor 14C36-like K04257 OLFR; olfactory receptor
D 111945972 olfactory receptor 14J1-like K04257 OLFR; olfactory receptor
D 111922258 olfactory receptor 14C36-like K04257 OLFR; olfactory receptor
C Taste
D 111938655 TAS1R3; taste receptor type 1 member 3 K04626 TAS1R3; taste receptor type 1 member 3
D 111927508 taste receptor type 2 member 7-like K08474 TAS2R; taste receptor type 2
D 111927509 taste receptor type 2 member 116-like K08474 TAS2R; taste receptor type 2
D 111927510 LOW QUALITY PROTEIN: taste receptor type 2 member 116-like K08474 TAS2R; taste receptor type 2
D 111924570 taste receptor type 2 member 40-like K08474 TAS2R; taste receptor type 2
D 111943034 taste receptor type 2 member 40-like K08474 TAS2R; taste receptor type 2
D 111937956 taste receptor type 2 member 40-like K08474 TAS2R; taste receptor type 2
D 111937967 taste receptor type 2 member 40-like K08474 TAS2R; taste receptor type 2
D 111945089 taste receptor type 2 member 116-like K08474 TAS2R; taste receptor type 2
C Vomeronasal pheromone
C Insect odorant and taste
C Nematode chemoreception
C Fungal mating pheromone
B Others
C Ocular albinism proteins
D 111922801 GPR143; G-protein coupled receptor 143 K08470 OA1; ocular albinism type 1 protein
C Neuronostatin
D 111936998 GPR107; protein GPR107 isoform X1 K22985 GPR107; G protein-coupled receptor 107
C Plant Mlo receptors
C cAMP signaling
C Bacterial rhodopsin
C Orphan GPCRs
D 111935068 TPRA1; transmembrane protein adipocyte-associated 1 K22988 TPRA1; transmembrane protein adipocyte-associated 1
D 111929523 GPR137C; integral membrane protein GPR137C K22989 GPR137; integral membrane protein GPR137
D 111926848 GPR137B; integral membrane protein GPR137B K22989 GPR137; integral membrane protein GPR137
D 111938489 GPR157; G-protein coupled receptor 157 K08467 GPR157; G protein-coupled receptor 157
!
#
#[ BRITE | KEGG2 | KEGG ]
#Last updated: December 8, 2022
#
Classification taken and modified from GPCRDB