K04129  CHRM1; muscarinic acetylcholine receptor M1
       K04130  CHRM2; muscarinic acetylcholine receptor M2
       K04131  CHRM3; muscarinic acetylcholine receptor M3
       K04132  CHRM4; muscarinic acetylcholine receptor M4
       K04133  CHRM5; muscarinic acetylcholine receptor M5
       K04134  CHRMN; muscarinic acetylcholine receptor
       K04135  ADRA1A; adrenergic receptor alpha-1A
       K04136  ADRA1B; adrenergic receptor alpha-1B
       K04137  ADRA1D; adrenergic receptor alpha-1D
       K04138  ADRA2A; adrenergic receptor alpha-2A
       K04139  ADRA2B; adrenergic receptor alpha-2B
       K04140  ADRA2C; adrenergic receptor alpha-2C
       K04141  ADRB1; adrenergic receptor beta-1
       K04142  ADRB2; adrenergic receptor beta-2
       K04143  ADRB3; adrenergic receptor beta-3
       K04144  DRD1; dopamine receptor D1
       K04145  DRD2; dopamine receptor D2
       K04146  DRD3; dopamine receptor D3
       K04147  DRD4; dopamine receptor D4
       K05840  DRD5; dopamine receptor D5
       K04148  DRD1N, DopR; dopamine D1-like receptor
       K14049  DRD2N; dopamine D2-like receptor
       K04149  HRH1; histamine receptor H1
       K04150  HRH2; histamine receptor H2
       K04151  HRH3; histamine receptor H3
       K04152  HRH4; histamine receptor H4
       K04153  HTR1; 5-hydroxytryptamine receptor 1
       K04157  HTR2; 5-hydroxytryptamine receptor 2
       K04160  HTR4; 5-hydroxytryptamine receptor 4
       K04161  HTR5; 5-hydroxytryptamine receptor 5
       K04162  HTR6; 5-hydroxytryptamine receptor 6
       K04163  HTR7; 5-hydroxytryptamine receptor 7
       K05051  TAAR; trace amine associated receptor
       K04166  AGTR1; angiotensin II receptor type 1
       K04167  AGTR2; angiotensin II receptor type 2
       K05223  NMB; neuromedin B
       K05224  GRP; gastrin-releasing peptide
       K04168  NMBR; neuromedin B receptor
       K04169  GRPR; gastrin-releasing peptide receptor
       K04170  BRS3; bombesin-like receptor 3
       K03915  BDKRB1; bradykinin receptor B1
       K03916  BDKRB2; bradykinin receptor B2
       K04010  C5AR1; C5a anaphylatoxin chemotactic receptor
       K04009  C3AR1; C3a anaphylatoxin chemotactic receptor
       K04171  GPR77; G protein-coupled receptor 77
       K04172  FPR1; formyl peptide receptor 1
       K04173  FPRL; formyl peptide receptor-like
       K05225  APLN; apelin
       K04174  APLNR; apelin receptor
       K05226  CCK; cholecystokinin
       K04194  CCKAR; cholecystokinin A receptor
       K04195  CCKBR; cholecystokinin B receptor
       K04196  CCKLR; cholecystokinin-like receptor
       K16366  EDN1; endothelin-1
       K16367  EDN2; endothelin-2
       K05227  EDN3; endothelin-3
       K04197  EDNRA; endothelin receptor type A
       K04198  EDNRB; endothelin receptor type B
       K05228  POMC; proopiomelanocortin
       K05231  AGRP; agouti related protein
       K04199  MC1R; melanocortin 1 receptor
       K04200  MC2R; melanocortin 2 receptor
       K04201  MC3R; melanocortin 3 receptor
       K04202  MC4R; melanocortin 4 receptor
       K04203  MC5R; melanocortin 5 receptor
       K05232  NPY; neuropeptide Y
       K04204  NPY1R_4R_6R; neuropeptide Y receptor type 1/4/6
       K04205  NPY2R; neuropeptide Y receptor type 2
       K04207  NPY5R; neuropeptide Y receptor type 5
       K04209  NPYNR; neuropeptide Y receptor, invertebrate
       K04210  GPR83, GPR72; G protein-coupled receptor 83
       K05233  PYY; peptide YY
       K05234  PPY; pancreatic polypeptide
       K05235  NTS; neurotensin
       K05236  COPA; coatomer protein complex, subunit alpha (xenin)
       K04211  NTSR1; neurotensin receptor 1
       K04212  NTSR2; neurotensin receptor 2
       K04213  OPRD1; delta-type opioid receptor
       K04214  OPRK1; kappa-type opioid receptor
       K04215  OPRM1; mu-type opioid receptor
       K04216  OPRL1; nociceptin receptor
       K05237  SST; somatostatin
       K05238  CORT; cortistatin
       K04217  SSTR1; somatostatin receptor 1
       K04218  SSTR2; somatostatin receptor 2
       K04219  SSTR3; somatostatin receptor 3
       K04220  SSTR4; somatostatin receptor 4
       K04221  SSTR5; somatostatin receptor 5
       K05239  TAC1; tachykinin 1
       K05240  TAC2_3; tachykinin 2/3
       K05241  TAC4; tachykinin 4
       K04222  TACR1; tachykinin receptor 1
       K04223  TACR2; tachykinin receptor 2
       K04224  TACR3; tachykinin receptor 3
       K04225  TAKR; tachykinin-like receptor
       K05242  AVP; arginine vasopressin
       K04226  AVPR1A; arginine vasopressin receptor 1A
       K04227  AVPR1B; arginine vasopressin receptor 1B
       K04228  AVPR2; arginine vasopressin receptor 2
       K05243  OXT; oxytocin
       K04229  OXTR; oxytocin receptor
       K05244  GAL; galanin
       K04230  GALR1; galanin receptor 1
       K04231  GALR2; galanin receptor 2
       K04232  GALR3; galanin receptor 3
       K04233  GALRN, AR; allatostatin receptor
       K01313  F2; coagulation factor II (thrombin) [EC:3.4.21.5]
       K01319  CTSG; cathepsin G [EC:3.4.21.20]
       K01352  GZMA; granzyme A [EC:3.4.21.78]
       K01315  PLG; plasminogen [EC:3.4.21.7]
       K01312  PRSS; trypsin [EC:3.4.21.4]
       K03914  F2R, PAR1; coagulation factor II (thrombin) receptor
       K04234  F2RL1, PAR2; coagulation factor II (thrombin) receptor-like 1
       K04235  F2RL2, PAR3; coagulation factor II (thrombin) receptor-like 2
       K04236  F2RL3, PAR4; coagulation factor II (thrombin) receptor-like 3
       K04237  PARD3; partitioning defective protein 3
       K05246  HCRT; hypocretin (orexin) neuropeptide
       K04238  HCRTR1; hypocretin (orexin) receptor 1
       K04239  HCRTR2; hypocretin (orexin) receptor 2
       K05247  NPFF; neuropeptide FF-amide peptide
       K04240  NPFFR1; neuropeptide FF receptor 1
       K08375  NPFFR2; neuropeptide FF receptor 2
       K05248  UTS2; urotensin 2
       K04241  UTS2R; urotensin 2 receptor
       K05249  NMU; neuromedin U
       K05052  NMUR1; neuromedin U receptor 1
       K05053  NMUR2; neuromedin U receptor 2
       K04320  MCHR1; melanin-concentrating hormone receptor 1
       K05054  MCHR2; melanin-concentrating hormone receptor 2
       K05250  FSH; follicle stimulating hormone
       K04247  FSHR; follicle stimulating hormone receptor
       K05251  TSHB; thyroid stimulating hormone, beta
       K04248  LHCGR; luteinizing hormone/choriogonadotropin receptor
       K04249  TSHR; thyroid stimulating hormone receptor
       K04332  PTGDR; prostaglandin D2 receptor
       K04258  PTGER1; prostaglandin E receptor 1
       K04259  PTGER2; prostaglandin E receptor 2
       K04260  PTGER3; prostaglandin E receptor 3
       K04261  PTGER4; prostaglandin E receptor 4
       K04262  PTGFR; prostaglandin F receptor
       K04263  PTGIR; prostacyclin receptor
       K04264  TBXA2R; thromboxane A2 receptor
       K04265  ADORA1; adenosine A1 receptor
       K04266  ADORA2A; adenosine receptor A2a
       K04267  ADORA2B; adenosine receptor A2b
       K04268  ADORA3; adenosine A3 receptor
       K04269  P2RY2; purinergic receptor P2Y, G protein-coupled, 2
       K04270  P2RY1; purinergic receptor P2Y, G protein-coupled, 1
       K04271  P2RY4; pyrimidinergic receptor P2Y, G protein-coupled, 4
       K04272  P2RY6; pyrimidinergic receptor P2Y, G protein-coupled, 6
       K04273  LPAR6, P2RY5; lysophosphatidic acid receptor 6
       K04274  P2RY10; purinergic receptor P2Y, G protein-coupled, 10
       K04299  P2RY14; purinergic receptor P2Y, G protein-coupled, 14
       K08386  P2RY8; purinergic receptor P2Y, G protein-coupled, 8
       K08387  P2RY11; purinergic receptor P2Y, G protein-coupled, 11
       K08388  P2RY13; purinergic receptor P2Y, G protein-coupled, 13
       K04275  LPAR4, GPR23; lysophosphatidic acid receptor 4
       K04276  GPR35; G protein-coupled receptor 35
       K04277  CNR1; cannabinoid receptor 1
       K04278  CNR2; cannabinoid receptor 2 (macrophage)
       K04279  PTAFR; platelet-activating factor receptor
       K05252  GNRH; gonadotropin-releasing hormone
       K04280  GNRHR; gonadotropin-releasing hormone receptor
       K05253  TRH; thyrotropin-releasing hormone
       K04282  TRHR; thyrotropin-releasing hormone receptor
       K05254  GHRL; ghrelin
       K04284  GHSR; growth hormone secretagogue receptor
       K08374  KISS1R; KISS1 receptor
       K04285  MTNR1A; melatonin receptor type 1A
       K04286  MTNR1B; melatonin receptor type 1B
       K04287  GPR50; G protein-coupled receptor 50
       K04288  S1PR1, EDG1; sphingosine 1-phosphate receptor 1
       K04289  LPAR1, EDG2; lysophosphatidic acid receptor 1
       K04290  S1PR3, EDG3; sphingosine 1-phosphate receptor 3
       K04291  LPAR2, EDG4; lysophosphatidic acid receptor 2
       K04292  S1PR2, EDG5; sphingosine 1-phosphate receptor 2
       K04293  S1PR4, EDG6; sphingosine 1-phosphate receptor 4
       K04294  LPAR3, EDG7; lysophosphatidic acid receptor 3
       K04295  S1PR5, EDG8; sphingosine 1-phosphate receptor 5
       K04296  LTB4R1; leukotriene B4 receptor 1
       K04297  LTB4R2; leukotriene B4 receptor 2
       K04303  MAS1; MAS1 oncogene
       K04306  LGR7; leucine-rich repeat-containing G protein-coupled receptor 7
       K04307  LGR8; leucine-rich repeat-containing G protein-coupled receptor 8
       K04308  LGR5, GPR49; leucine-rich repeat-containing G protein-coupled receptor 5
       K04309  LGR4, GPR48; leucine-rich repeat-containing G protein-coupled receptor 4
       K04322  CYSLTR1; cysteinyl leukotriene receptor 1
       K04323  CYSLTR2; cysteinyl leukotriene receptor 2
       K04576  CALCR; calcitonin receptor
       K04577  CALCRL; calcitonin receptor-like
       K05256  CRH; corticotropin-releasing hormone
       K05257  UCN2_3; urocortin 2/3
       K04578  CRHR1; corticotropin releasing hormone receptor 1
       K04579  CRHR2; corticotropin releasing hormone receptor 2
       K05258  GIP; gastric inhibitory polypeptide
       K04580  GIPR; gastric inhibitory polypeptide receptor
       K05259  GCG; glucagon
       K04581  GLP1R; glucagon-like peptide 1 receptor
       K04582  GLP2R; glucagon-like peptide 2 receptor
       K04583  GCGR; glucagon receptor
       K05260  GHRH; growth hormone-releasing hormone
       K04584  GHRHR; growth hormone releasing hormone receptor
       K05261  PTH; parathyroid hormone
       K04585  PTHR1; parathyroid hormone receptor 1
       K04586  PTHR2; parathyroid hormone receptor 2
       K05262  ADCYAP; adenylate cyclase activating polypeptide
       K04587  ADCYAP1R1, PACAPRI; pituitary adenylate cyclase-activating polypeptide type I receptor
       K05263  SCT; secretin
       K04588  SCTR; secretin receptor
       K05264  VIP; vasoactive intestinal peptide
       K04589  VIPR1; vasoactive intestinal peptide receptor 1
       K04590  VIPR2; vasoactive intestinal peptide receptor 2
       K04603  GRM1; metabotropic glutamate receptor 1
       K04605  GRM2_3; metabotropic glutamate receptor 2/3
       K04607  GRM4; metabotropic glutamate receptor 4
       K04604  GRM5; metabotropic glutamate receptor 5
       K04608  GRM6_7_8; metabotropic glutamate receptor 6/7/8
       K04615  GABBR; gamma-aminobutyric acid type B receptor
       K04617  GPR156, GABABL; gamma-aminobutyric acid type B receptor-like
       K05265  MLN; motilin
       K05266  MLNR; motilin receptor
       K05267  NPB; preproneuropeptide B
       K05268  NPBWR1; neuropeptides B/W receptor 1
       K08377  NPBWR2; neuropeptides B/W receptor 2
       K05269  PRH; Prolactin-releasing peptide
       K04314  PRLHR, GPR10; prolactin releasing hormone receptor
       K05208  GRIN1; glutamate receptor ionotropic, NMDA 1
       K05209  GRIN2A; glutamate receptor ionotropic, NMDA 2A
       K05210  GRIN2B; glutamate receptor ionotropic, NMDA 2B
       K05211  GRIN2C; glutamate receptor ionotropic, NMDA 2C
       K05212  GRIN2D; glutamate receptor ionotropic, NMDA 2D
       K05213  GRIN3A; glutamate receptor ionotropic, NMDA 3A
       K05214  GRIN3B; glutamate receptor ionotropic, NMDA 3B
       K05175  GABRA; gamma-aminobutyric acid receptor subunit alpha
       K05181  GABRB; gamma-aminobutyric acid receptor subunit beta
       K05184  GABRD; gamma-aminobutyric acid receptor subunit delta
       K05185  GABRE; gamma-aminobutyric acid receptor subunit epsilon
       K05186  GABRG; gmma-aminobutyric acid receptor subunit gamma
       K05189  GABRP; gamma-aminobutyric acid receptor subunit pi
       K05190  GABRR; gamma-aminobutyric acid receptor subunit rho
       K05192  GABRQ; gamma-aminobutyric acid receptor subunit theta
       K04803  CHRNA1; nicotinic acetylcholine receptor alpha-1
       K04804  CHRNA2; nicotinic acetylcholine receptor alpha-2
       K04805  CHRNA3; nicotinic acetylcholine receptor alpha-3
       K04806  CHRNA4; nicotinic acetylcholine receptor alpha-4
       K04807  CHRNA5; nicotinic acetylcholine receptor alpha-5
       K04808  CHRNA6; nicotinic acetylcholine receptor alpha-6
       K04809  CHRNA7; nicotinic acetylcholine receptor alpha-7
       K04810  CHRNA9; nicotinic acetylcholine receptor alpha-9
       K04811  CHRNA10; nicotinic acetylcholine receptor alpha-10
       K04812  CHRNB1; nicotinic acetylcholine receptor beta-1
       K04813  CHRNB2; nicotinic acetylcholine receptor beta-2
       K04814  CHRNB3; nicotinic acetylcholine receptor beta-3
       K04815  CHRNB4; nicotinic acetylcholine receptor beta-4
       K04816  CHRND; nicotinic acetylcholine receptor delta
       K04817  CHRNE; nicotinic acetylcholine receptor epsilon
       K04818  CHRNG; nicotinic acetylcholine receptor gamma
       K05215  P2RX1; P2X purinoceptor 1
       K05216  P2RX2; P2X purinoceptor 2
       K05217  P2RX3; P2X purinoceptor 3
       K05218  P2RX4; P2X purinoceptor 4
       K05219  P2RX5; P2X purinoceptor 5
       K05220  P2RX7; P2X purinoceptor 7
       K05221  P2RX6, P2RXL1; P2X purinoceptor 6
       K08522  CGA; glycoprotein hormones, alpha polypeptide
       K08521  LHB; luteinizing hormone beta polypeptide
       K05197  GRIA1; glutamate receptor 1
       K05198  GRIA2; glutamate receptor 2
       K05199  GRIA3; glutamate receptor 3
       K05200  GRIA4; glutamate receptor 4
       K05201  GRIK1; glutamate receptor, ionotropic kainate 1
       K05202  GRIK2; glutamate receptor, ionotropic kainate 2
       K05203  GRIK3; glutamate receptor, ionotropic kainate 3
       K05204  GRIK4; glutamate receptor, ionotropic kainate 4
       K05205  GRIK5; glutamate receptor, ionotropic kainate 5
       K05206  GRID1; glutamate receptor delta-1 subunit
       K05207  GRID2; glutamate receptor delta-2 subunit
       K05193  GLRA1; glycine receptor alpha-1
       K05194  GLRA2; glycine receptor alpha-2
       K05195  GLRA3; glycine receptor alpha-3
       K05196  GLRB; glycine receptor beta
       K05222  TRPV1; transient receptor potential cation channel subfamily V member 1
       K05770  BZRP; benzodiazapine receptor
       K05771  NR3C1, GR; glucocorticoid receptor
       K05438  GH; growth hormone
       K05080  GHR; growth hormone receptor
       K05547  NR1A1, THRA; thyroid hormone receptor alpha
       K08362  NR1A2, THRB; thyroid hormone receptor beta
       K05424  LEP; leptin
       K05062  LEPR; leptin receptor
       K05439  PRL; prolactin
       K05081  PRLR; prolactin receptor