+D Receptor KO
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G Protein-Coupled Receptors - Stegodyphus dumicola
%
!
ARhodopsin family
B Biogenic amine
C Acetylcholine (muscarinic)
D 118187593 muscarinic acetylcholine receptor M1-like K04131 CHRM3; muscarinic acetylcholine receptor M3
D 118195438 muscarinic acetylcholine receptor DM1-like K04131 CHRM3; muscarinic acetylcholine receptor M3
D 118203908 muscarinic acetylcholine receptor DM1-like K04133 CHRM5; muscarinic acetylcholine receptor M5
D 118191844 somatostatin receptor type 5-like isoform X1 K04134 CHRMN; muscarinic acetylcholine receptor
C Adrenaline
D 118203800 alpha-1A adrenergic receptor-like K04135 ADRA1A; adrenergic receptor alpha-1A
D 118189487 trace amine-associated receptor 8a-like K04141 ADRB1; adrenergic receptor beta-1
D 118181290 LOW QUALITY PROTEIN: beta-2 adrenergic receptor-like K04142 ADRB2; adrenergic receptor beta-2
C Dopamine
D 118184559 dopamine receptor 1-like K04144 DRD1; dopamine receptor D1
D 118181510 dopamine D2-like receptor K04145 DRD2; dopamine receptor D2
D 118200679 dopamine receptor 2-like K04148 DRD1N; dopamine receptor D1-like
D 118200837 dopamine receptor 2-like K04148 DRD1N; dopamine receptor D1-like
C Dopamine and ecdysteroid
D 118187016 G-protein coupled receptor 52-like K22919 DopEcR; dopamine/ecdysteroid receptor
C Histamine
D 118187706 5-hydroxytryptamine receptor 1B-like K04149 HRH1; histamine receptor H1
C Octopamine and tryamine
D 118187610 probable G-protein coupled receptor No9 K04165 Oamb; octopamine receptor
D 118185654 alpha-2Da adrenergic receptor-like K22814 Octalpha; octopamine receptor alpha
D 118184676 octopamine receptor beta-2R-like K22790 Octbeta; octopamine receptor beta
D 118181294 tyramine/octopamine receptor-like K22815 Oct-TyrR; octopamine/tyramine receptor
D 118202323 probable G-protein coupled receptor No18 K22815 Oct-TyrR; octopamine/tyramine receptor
C Serotonin
D 118192631 5-hydroxytryptamine receptor 2B-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 118193010 5-hydroxytryptamine receptor 1A-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 118197606 5-hydroxytryptamine receptor 2B-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 118199585 5-hydroxytryptamine receptor 2A-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 118199969 5-hydroxytryptamine receptor-like K04153 HTR1; 5-hydroxytryptamine receptor 1
D 118197850 5-hydroxytryptamine receptor 2C-like K04157 HTR2; 5-hydroxytryptamine receptor 2
D 118198057 5-hydroxytryptamine receptor 1-like K04163 HTR7; 5-hydroxytryptamine receptor 7
C Trace amine
D 118184964 trace amine-associated receptor 1-like isoform X1 K05051 TAAR; trace amine associated receptor
B Peptide
C Adrenomedullin (G10D)
C Adropin
C Apelin
C Anaphylatoxin
C Angiotensin
C BigLEN
C Bombesin
D 118185872 neuropeptide CCHamide-1 receptor-like K04170 BRS3; bombesin receptor subtype-3
D 118196550 neuropeptide CCHamide-1 receptor-like K04170 BRS3; bombesin receptor subtype-3
C Bradykinin
C Cholecystokinin
D 118182949 cholecystokinin receptor-like K04194 CCKAR; cholecystokinin A receptor
D 118183760 cholecystokinin receptor-like K04194 CCKAR; cholecystokinin A receptor
D 118187101 cholecystokinin receptor type A-like K04194 CCKAR; cholecystokinin A receptor
D 118199203 allatostatin-A receptor-like K04194 CCKAR; cholecystokinin A receptor
C Endothelin
C fMet-Leu-Phe
C Follicle stimulating hormone (FSH)
C Galanin
D 118183029 allatostatin-A receptor-like K04233 ASTA-R; allatostatin A receptor
D 118192642 allatostatin-A receptor-like K04233 ASTA-R; allatostatin A receptor
C Ghrelin
C Gonadotropin-releasing hormone (GnRH)
D 118185194 gonadotropin-releasing hormone II receptor-like isoform X1 K04280 GNRHR; gonadotropin-releasing hormone receptor
D 118186844 uncharacterized protein LOC118186844 K04280 GNRHR; gonadotropin-releasing hormone receptor
D 118188679 gonadotropin-releasing hormone II receptor-like K04280 GNRHR; gonadotropin-releasing hormone receptor
D 118191832 gonadotropin-releasing hormone II receptor-like K04280 GNRHR; gonadotropin-releasing hormone receptor
D 118203814 gonadotropin-releasing hormone II receptor-like K04280 GNRHR; gonadotropin-releasing hormone receptor
D 118190829 probable G-protein coupled receptor 173 K04300 SREB3; super conserved receptor expressed in brain 3
C Lutropin-choriogonadotropic hormone
D 118180987 lutropin-choriogonadotropic hormone receptor-like K04248 LHCGR; lutropin-choriogonadotropic hormone receptor
C Melanin-concentrating hormone (MCH)
C Melanocortin
C Motilin
C Neuromedin U
D 118180219 neuropeptides capa receptor-like K05052 NMUR1; neuromedin U receptor 1
D 118181323 pyrokinin-1 receptor-like K05052 NMUR1; neuromedin U receptor 1
D 118185139 pyrokinin-1 receptor-like isoform X1 K05052 NMUR1; neuromedin U receptor 1
D 118186729 pyrokinin-1 receptor-like K05052 NMUR1; neuromedin U receptor 1
D 118191123 pyrokinin-1 receptor-like K05052 NMUR1; neuromedin U receptor 1
D 118201377 neurotensin receptor type 1-like K05052 NMUR1; neuromedin U receptor 1
D 118204434 neuropeptides capa receptor-like K05052 NMUR1; neuromedin U receptor 1
C Neuropeptide FF
D 118181730 neuropeptide SIFamide receptor-like K08375 NPFFR2; neuropeptide FF receptor 2
D 118185076 neuropeptide SIFamide receptor-like K08375 NPFFR2; neuropeptide FF receptor 2
D 118196613 QRFP-like peptide receptor K08375 NPFFR2; neuropeptide FF receptor 2
C Neuropeptide S
D 118191112 cardioacceleratory peptide receptor-like K08376 NPSR1; neuropeptide S receptor
D 118193914 neuropeptide S receptor-like K08376 NPSR1; neuropeptide S receptor
D 118196241 cardioacceleratory peptide receptor-like K08376 NPSR1; neuropeptide S receptor
C Neuropeptide W / neuropeptide B
C Neuropeptide Y
D 118192523 neuropeptide F receptor-like K04205 NPY2R; neuropeptide Y receptor type 2
D 118205002 prolactin-releasing peptide receptor-like K04205 NPY2R; neuropeptide Y receptor type 2
D 118186878 probable G-protein coupled receptor 83 K04210 GPR83; G protein-coupled receptor 83
D 118200325 probable G-protein coupled receptor 83 K04210 GPR83; G protein-coupled receptor 83
D 118205683 probable G-protein coupled receptor tkr-1 K04210 GPR83; G protein-coupled receptor 83
D 118184976 prolactin-releasing peptide receptor-like K04209 NPFR; neuropeptide F receptor
D 118188057 prolactin-releasing peptide receptor-like K04209 NPFR; neuropeptide F receptor
D 118188321 neuropeptide F receptor-like K04209 NPFR; neuropeptide F receptor
D 118194370 prolactin-releasing peptide receptor-like K04209 NPFR; neuropeptide F receptor
D 118201602 neuropeptide Y receptor type 5-like K04209 NPFR; neuropeptide F receptor
D 118203378 neuropeptide Y receptor type 5-like K04209 NPFR; neuropeptide F receptor
D 118205919 neuropeptide Y receptor type 5-like K04209 NPFR; neuropeptide F receptor
C Neurotensin
C Opioid
C Orexigenic neuropeptide QRFP
D 118185653 QRFP-like peptide receptor K08378 QRFPR; pyroglutamylated RFamide peptide receptor
C Orexin
D 118184495 orexin receptor type 2-like K04239 HCRTR2; hypocretin (orexin) receptor 2
D 118187800 orexin receptor type 2-like K04239 HCRTR2; hypocretin (orexin) receptor 2
D 118203138 orexin receptor type 2-like K04239 HCRTR2; hypocretin (orexin) receptor 2
C Oxytocin
C Prokineticin
C Prolactin-releasing peptide (PrRP)
C Prosaposin
C Relaxin
D 118199640 relaxin receptor 1-like isoform X1 K04306 RXFP1; relaxin family peptide receptor 1
C Somatostatin
D 118184750 somatostatin receptor type 2-like K22872 ASTC-R; allatostatin C receptor
D 118197587 somatostatin receptor type 2-like K22872 ASTC-R; allatostatin C receptor
C Tachykinin
D 118190533 LOW QUALITY PROTEIN: substance-P receptor-like K04222 TACR1; tachykinin receptor 1
D 118188203 tachykinin-like peptides receptor 86C K04224 TACR3; tachykinin receptor 3
D 118189265 tachykinin-like peptides receptor 86C K04224 TACR3; tachykinin receptor 3
D 118189644 tachykinin-like peptides receptor 99D K04224 TACR3; tachykinin receptor 3
D 118195023 tachykinin-like peptides receptor 86C K04224 TACR3; tachykinin receptor 3
D 118199645 tachykinin-like peptides receptor 99D K04224 TACR3; tachykinin receptor 3
D 118180719 neuropeptide receptor 22-like K14071 LKR; leucokinin receptor
D 118191182 tachykinin-like peptides receptor 99D K14071 LKR; leucokinin receptor
D 118192152 RYamide receptor-like K14071 LKR; leucokinin receptor
D 118185080 RYamide receptor-like isoform X1 K14072 Rya-R; RYamide receptor
D 118194950 RYamide receptor-like K14072 Rya-R; RYamide receptor
D 118198302 RYamide receptor-like K14072 Rya-R; RYamide receptor
C Thrombin
C Thyrotropin
D 118186681 lutropin-choriogonadotropic hormone receptor-like isoform X1 K04249 TSHR; thyrotropin receptor
C Thyrotropin-releasing hormone (TRH)
D 118186609 thyrotropin-releasing hormone receptor-like K04282 TRHR; thyrotropin-releasing hormone receptor
D 118193431 thyrotropin-releasing hormone receptor-like K04282 TRHR; thyrotropin-releasing hormone receptor
C Urotensin II
C Vasopressin
D 118195641 vasopressin V1a receptor-like K04226 AVPR1A; arginine vasopressin receptor 1A
C Neuropeptide receptors
D 118199464 sex peptide receptor-like K26200 SPR; sex peptide receptor
D 118184099 FMRFamide receptor-like K26201 FMRFaR; FMRFamide receptor
D 118196694 FMRFamide receptor-like K26201 FMRFaR; FMRFamide receptor
D 118183693 FMRFamide receptor-like K26202 Proc-R; proctolin receptor
D 118195757 FMRFamide receptor-like K26202 Proc-R; proctolin receptor
D 118181710 sex peptide receptor-like K26203 MsR; myosuppressin receptor
D 118183022 sex peptide receptor-like K26203 MsR; myosuppressin receptor
D 118188878 sex peptide receptor-like K26203 MsR; myosuppressin receptor
B Chemokine
C CC Chemokine
C CXC Chemokine
C CX3C Chemokine
C C Chemokine
C Chemokine like
B Base and nucleoside
C Purine / pyrimidine
C Adenosine
B Lipid
C Arachidonylglycine
C Bile acid
C Cysteinyl leukotriene
C Free fatty acid
C HETE and oxoETE
C Leukotriene
C Lysophosphatidic acid
C Lysophosphatidylinositol
C Lysophosphatidylserine
C Oleoylethanolamide
C Prostaglandin
C Prostacyclin
C Sphingolipid
C Thromboxane
B Vision
C Opsin
D 118183024 melanopsin-like K04256 OPN3; c-opsin
D 118190268 lateral eye opsin-like K13802 NINAE; opsin Rh1
D 118180633 rhodopsin, GQ-coupled-like K04255 OPN4; r-opsin
D 118186768 melanopsin-like K04255 OPN4; r-opsin
D 118189039 ocellar opsin-like K04255 OPN4; r-opsin
D 118189041 ocellar opsin-like K04255 OPN4; r-opsin
D 118189042 ocellar opsin-like K04255 OPN4; r-opsin
D 118193094 opsin, ultraviolet-sensitive-like isoform X1 K04255 OPN4; r-opsin
D 118197680 opsin, ultraviolet-sensitive-like K04255 OPN4; r-opsin
D 118181585 visual pigment-like receptor peropsin isoform X1 K04253 RRH; visual pigment-like receptor peropsin
B Others
C Alpha-ketoglutarate
C Cannabinoid
C Estrogen
C Hydroxy-carboxylic acid
C L-Tryptophan and L-Phenylalanine
C Mas proto-oncogene and Mas-related (MRGs)
C Melatonin
C Oxysterol
C Platelet activating factor
C Proton-sensing GPCRs
C R-spondin
D 118190305 LOW QUALITY PROTEIN: uncharacterized protein LOC118190305 K08399 LGR6; leucine-rich repeat-containing G protein-coupled receptor 6
D 118191984 follicle-stimulating hormone receptor-like K08399 LGR6; leucine-rich repeat-containing G protein-coupled receptor 6
C Super conserved receptor expressed in brain (SREB)
D 118190829 probable G-protein coupled receptor 173 K04300 SREB3; super conserved receptor expressed in brain 3
C Trissin
D 118191506 trissin receptor-like K22792 TrissinR; trissin receptor
C Orphan GPCRs / unclassified GPCRs
D 118201773 protein trapped in endoderm-1-like K22873 TRE1; protein trapped in endoderm-1
D 118201990 protein trapped in endoderm-1-like K22873 TRE1; protein trapped in endoderm-1
D 118194498 rhodopsin, GQ-coupled-like K08405 GPR25; G protein-coupled receptor 25
D 118189232 high-affinity lysophosphatidic acid receptor-like K08409 GPR45; G protein-coupled receptor 45
D 118182425 oxytocin receptor-like K08434 GPR150; G protein-coupled receptor 150
D 118188206 LOW QUALITY PROTEIN: cephalotocin receptor 2-like K08434 GPR150; G protein-coupled receptor 150
D 118200702 cardioacceleratory peptide receptor-like K08434 GPR150; G protein-coupled receptor 150
D 118190891 histamine H2 receptor-like K08439 GPR161; G protein-coupled receptor 161
D 118194052 melanopsin-like K08439 GPR161; G protein-coupled receptor 161
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ASecretin receptor family
B Calcium-regulating peptide
C Calcitonin
D 118197755 calcitonin receptor-like K04576 CALCR; calcitonin receptor
D 118181155 calcitonin gene-related peptide type 1 receptor-like K04577 CALCRL; calcitonin receptor-like
D 118181341 calcitonin gene-related peptide type 1 receptor-like isoform X1 K04577 CALCRL; calcitonin receptor-like
D 118189561 calcitonin gene-related peptide type 1 receptor-like isoform X1 K04577 CALCRL; calcitonin receptor-like
D 118193720 calcitonin gene-related peptide type 1 receptor-like K04577 CALCRL; calcitonin receptor-like
D 118195817 calcitonin gene-related peptide type 1 receptor-like K04577 CALCRL; calcitonin receptor-like
C Parathyroid hormone
D 118188708 parathyroid hormone/parathyroid hormone-related peptide receptor-like isoform X1 K04585 PTH1R; parathyroid hormone receptor 1
D 118192373 secretin receptor-like K04585 PTH1R; parathyroid hormone receptor 1
B Hypothalamic hormone
C Corticotropin-releasing hormone (CRH)
D 118181751 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118181820 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118184571 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118192364 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118192468 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118192849 diuretic hormone receptor-like isoform X1 K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118194085 PDF receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118195921 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
D 118199505 diuretic hormone receptor-like K04578 CRHR1; corticotropin releasing hormone receptor 1
C Growth hormone-releasing hormone (GHRH)
B Pancreatic peptide
C Glucagon
B Gut peptide
C Gastric inhibitory peptide (GIP)
C Vasoactive intestinal polypeptide (VIP) and pituitary adenyl cyclase-activating peptide (PACAP)
C Secretin
B Others
C Receptor activity modifying protein
C Methuselah-like proteins (MTH)
C Pigment dispersing factor (PDF)
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AAdhesion receptor family
B Cadherin EGF LAG (CELSR)
B EGF-like module-containing mucin-like hormone receptor-like (EMR)
B Latrophilin
C 118180806 adhesion G protein-coupled receptor L1-like K04593 ADGRL2; adhesion G protein-coupled receptor L2
C 118187993 latrophilin Cirl-like isoform X1 K04593 ADGRL2; adhesion G protein-coupled receptor L2
C 118205041 latrophilin Cirl-like K04593 ADGRL2; adhesion G protein-coupled receptor L2
B Brain-specific angiogenesis inhibitor (BAI)
B Others
C 118183597 adhesion G protein-coupled receptor B2-like K08465 ADGRD1; adhesion G-protein coupled receptor D1
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AMetabotropic glutamate receptor family
B Glutamate (metabotropic)
C 118183080 LOW QUALITY PROTEIN: metabotropic glutamate receptor 3-like K04606 GRM3; metabotropic glutamate receptor 3
C 118183082 metabotropic glutamate receptor-like K04606 GRM3; metabotropic glutamate receptor 3
C 118181916 metabotropic glutamate receptor 1-like K04604 GRM5; metabotropic glutamate receptor 5
B GABA
C 118182844 gamma-aminobutyric acid type B receptor subunit 2-like isoform X1 K04615 GABBR; gamma-aminobutyric acid type B receptor
C 118194970 gamma-aminobutyric acid type B receptor subunit 1-like isoform X1 K04615 GABBR; gamma-aminobutyric acid type B receptor
C 118198369 gamma-aminobutyric acid type B receptor subunit 2-like K04615 GABBR; gamma-aminobutyric acid type B receptor
B Calcium-sensing
B Orphan GPRC5
C 118190251 uncharacterized protein LOC118190251 isoform X1 K04623 BOSS; bride of sevenless protein
B Unclassified GPCRs
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AFrizzled / Smoothened family
B 118192563 frizzled-2-like K02432 FZD1_7; frizzled 1/7
B 118181666 frizzled-4-like K02354 FZD4; frizzled 4
B 118199795 LOW QUALITY PROTEIN: frizzled-4-like K02354 FZD4; frizzled 4
B 118189634 frizzled-5-like K02375 FZD5_8; frizzled 5/8
B 118194089 smoothened homolog K06226 SMO; smoothened
B 118205684 uncharacterized protein LOC118205684 K06226 SMO; smoothened
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AOthers
B Chemoreception
C Olfactory
C Taste
C Vomeronasal pheromone
C Insect odorant and taste
D 118180920 uncharacterized protein LOC118180920 K08471 GR; gustatory receptor
D 118188692 uncharacterized protein LOC118188692 K08471 GR; gustatory receptor
C Nematode chemoreception
C Fungal mating pheromone
B Others
C Ocular albinism proteins
D 118183975 G-protein coupled receptor 143-like isoform X1 K08470 OA1; ocular albinism type 1 protein
C Neuronostatin
D 118188200 protein GPR107-like K22985 GPR107; G protein-coupled receptor 107
C Plant Mlo receptors
C cAMP signaling
C Bacterial rhodopsin
C Orphan GPCRs
D 118202712 transmembrane protein adipocyte-associated 1-like isoform X1 K22988 TPRA1; transmembrane protein adipocyte-associated 1
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#[ BRITE | KEGG2 | KEGG ]
#Last updated: April 22, 2025
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Classification taken and modified from GPCRDB