{
	"name":"ko04030",
	"children":[
	{
		"name":"Rhodopsin family",
		"children":[
		{
			"name":"Biogenic amine",
			"children":[
			{
				"name":"Acetylcholine (muscarinic)",
				"children":[
				{
					"name":"K04129  CHRM1; muscarinic acetylcholine receptor M1"
				},
				{
					"name":"K04130  CHRM2; muscarinic acetylcholine receptor M2"
				},
				{
					"name":"K04131  CHRM3; muscarinic acetylcholine receptor M3"
				},
				{
					"name":"K04132  CHRM4; muscarinic acetylcholine receptor M4"
				},
				{
					"name":"K04133  CHRM5; muscarinic acetylcholine receptor M5"
				},
				{
					"name":"K04134  CHRMN; muscarinic acetylcholine receptor"
				}
				]
			},
			{
				"name":"Adrenaline",
				"children":[
				{
					"name":"K04135  ADRA1A; adrenergic receptor alpha-1A"
				},
				{
					"name":"K04136  ADRA1B; adrenergic receptor alpha-1B"
				},
				{
					"name":"K04137  ADRA1D; adrenergic receptor alpha-1D"
				},
				{
					"name":"K04138  ADRA2A; adrenergic receptor alpha-2A"
				},
				{
					"name":"K04139  ADRA2B; adrenergic receptor alpha-2B"
				},
				{
					"name":"K04140  ADRA2C; adrenergic receptor alpha-2C"
				},
				{
					"name":"K04141  ADRB1; adrenergic receptor beta-1"
				},
				{
					"name":"K04142  ADRB2; adrenergic receptor beta-2"
				},
				{
					"name":"K04143  ADRB3; adrenergic receptor beta-3"
				}
				]
			},
			{
				"name":"Dopamine",
				"children":[
				{
					"name":"K04144  DRD1; dopamine receptor D1"
				},
				{
					"name":"K04145  DRD2; dopamine receptor D2"
				},
				{
					"name":"K04146  DRD3; dopamine receptor D3"
				},
				{
					"name":"K04147  DRD4; dopamine receptor D4"
				},
				{
					"name":"K05840  DRD5; dopamine receptor D5"
				},
				{
					"name":"K04148  DRD1N; dopamine receptor D1-like"
				}
				]
			},
			{
				"name":"Dopamine and ecdysteroid",
				"children":[
				{
					"name":"K22919  DopEcR; dopamine\/ecdysteroid receptor"
				}
				]
			},
			{
				"name":"Histamine",
				"children":[
				{
					"name":"K04149  HRH1; histamine receptor H1"
				},
				{
					"name":"K04150  HRH2; histamine receptor H2"
				},
				{
					"name":"K04151  HRH3; histamine receptor H3"
				},
				{
					"name":"K04152  HRH4; histamine receptor H4"
				}
				]
			},
			{
				"name":"Octopamine and tryamine",
				"children":[
				{
					"name":"K04165  Oamb; octopamine receptor"
				},
				{
					"name":"K22814  Octalpha; octopamine receptor alpha"
				},
				{
					"name":"K22790  Octbeta; octopamine receptor beta"
				},
				{
					"name":"K22791  TyrR; tyramine receptor"
				},
				{
					"name":"K22815  Oct-TyrR; octopamine\/tyramine receptor"
				}
				]
			},
			{
				"name":"Serotonin",
				"children":[
				{
					"name":"K04153  HTR1; 5-hydroxytryptamine receptor 1"
				},
				{
					"name":"K04157  HTR2; 5-hydroxytryptamine receptor 2"
				},
				{
					"name":"K04160  HTR4; 5-hydroxytryptamine receptor 4"
				},
				{
					"name":"K04161  HTR5; 5-hydroxytryptamine receptor 5"
				},
				{
					"name":"K04162  HTR6; 5-hydroxytryptamine receptor 6"
				},
				{
					"name":"K04163  HTR7; 5-hydroxytryptamine receptor 7"
				}
				]
			},
			{
				"name":"Trace amine",
				"children":[
				{
					"name":"K05051  TAAR; trace amine associated receptor"
				}
				]
			}
			]
		},
		{
			"name":"Peptide",
			"children":[
			{
				"name":"Adrenomedullin (G10D)",
				"children":[
				{
					"name":"K04242  ADMR; adrenomedullin receptor"
				}
				]
			},
			{
				"name":"Adropin",
				"children":[
				{
					"name":"K04316  GPR19; G protein-coupled receptor 19"
				}
				]
			},
			{
				"name":"Apelin",
				"children":[
				{
					"name":"K04174  APLNR; apelin receptor"
				}
				]
			},
			{
				"name":"Anaphylatoxin",
				"children":[
				{
					"name":"K04009  C3AR1; C3a anaphylatoxin chemotactic receptor"
				},
				{
					"name":"K04010  C5AR1, CD88; C5a anaphylatoxin chemotactic receptor 1"
				},
				{
					"name":"K04171  C5AR2, GPR77; C5a anaphylatoxin chemotactic receptor 2"
				}
				]
			},
			{
				"name":"Angiotensin",
				"children":[
				{
					"name":"K04166  AGTR1; angiotensin II receptor type 1"
				},
				{
					"name":"K04167  AGTR2; angiotensin II receptor type 2"
				}
				]
			},
			{
				"name":"BigLEN",
				"children":[
				{
					"name":"K08441  GPR171; G protein-coupled receptor 171"
				}
				]
			},
			{
				"name":"Bombesin",
				"children":[
				{
					"name":"K04168  NMBR; neuromedin B receptor"
				},
				{
					"name":"K04169  GRPR; gastrin-releasing peptide receptor"
				},
				{
					"name":"K04170  BRS3; bombesin receptor subtype-3"
				}
				]
			},
			{
				"name":"Bradykinin",
				"children":[
				{
					"name":"K03915  BDKRB1; bradykinin receptor B1"
				},
				{
					"name":"K03916  BDKRB2; bradykinin receptor B2"
				}
				]
			},
			{
				"name":"Cholecystokinin",
				"children":[
				{
					"name":"K04194  CCKAR; cholecystokinin A receptor"
				},
				{
					"name":"K04195  CCKBR; cholecystokinin B receptor"
				},
				{
					"name":"K04196  CCKLR; cholecystokinin-like receptor"
				}
				]
			},
			{
				"name":"Endothelin",
				"children":[
				{
					"name":"K04197  EDNRA; endothelin receptor type A"
				},
				{
					"name":"K04198  EDNRB; endothelin receptor type B"
				}
				]
			},
			{
				"name":"fMet-Leu-Phe",
				"children":[
				{
					"name":"K04172  FPR1; formyl peptide receptor 1"
				},
				{
					"name":"K04173  FPRL; formyl peptide receptor-like"
				}
				]
			},
			{
				"name":"Follicle stimulating hormone (FSH)",
				"children":[
				{
					"name":"K04247  FSHR; follicle stimulating hormone receptor"
				}
				]
			},
			{
				"name":"Galanin",
				"children":[
				{
					"name":"K04230  GALR1; galanin receptor 1"
				},
				{
					"name":"K04231  GALR2; galanin receptor 2"
				},
				{
					"name":"K04232  GALR3; galanin receptor 3"
				},
				{
					"name":"K08374  KISS1R; KISS1 receptor"
				},
				{
					"name":"K04233  ASTA-R; allatostatin A receptor"
				}
				]
			},
			{
				"name":"Ghrelin",
				"children":[
				{
					"name":"K04284  GHSR; growth hormone secretagogue receptor"
				}
				]
			},
			{
				"name":"Gonadotropin-releasing hormone (GnRH)",
				"children":[
				{
					"name":"K04280  GNRHR; gonadotropin-releasing hormone receptor"
				},
				{
					"name":"K04300  SREB3, GPR173; super conserved receptor expressed in brain 3"
				},
				{
					"name":"K28250  CrzR; corazonin receptor"
				},
				{
					"name":"K28251  AkhR; adipokinetic hormone receptor"
				}
				]
			},
			{
				"name":"Lutropin-choriogonadotropic hormone",
				"children":[
				{
					"name":"K04248  LHCGR; lutropin-choriogonadotropic hormone receptor"
				}
				]
			},
			{
				"name":"Melanin-concentrating hormone (MCH)",
				"children":[
				{
					"name":"K04320  MCHR1; melanin-concentrating hormone receptor 1"
				},
				{
					"name":"K05054  MCHR2; melanin-concentrating hormone receptor 2"
				}
				]
			},
			{
				"name":"Melanocortin",
				"children":[
				{
					"name":"K04199  MC1R; melanocortin 1 receptor"
				},
				{
					"name":"K04200  MC2R; melanocortin 2 receptor"
				},
				{
					"name":"K04201  MC3R; melanocortin 3 receptor"
				},
				{
					"name":"K04202  MC4R; melanocortin 4 receptor"
				},
				{
					"name":"K04203  MC5R; melanocortin 5 receptor"
				}
				]
			},
			{
				"name":"Motilin",
				"children":[
				{
					"name":"K05266  MLNR; motilin receptor"
				}
				]
			},
			{
				"name":"Neuromedin U",
				"children":[
				{
					"name":"K05052  NMUR1; neuromedin U receptor 1"
				},
				{
					"name":"K05053  NMUR2; neuromedin U receptor 2"
				}
				]
			},
			{
				"name":"Neuropeptide FF",
				"children":[
				{
					"name":"K04240  NPFFR1; neuropeptide FF receptor 1"
				},
				{
					"name":"K08375  NPFFR2; neuropeptide FF receptor 2"
				}
				]
			},
			{
				"name":"Neuropeptide S",
				"children":[
				{
					"name":"K08376  NPSR1, GPR154; neuropeptide S receptor"
				}
				]
			},
			{
				"name":"Neuropeptide W \/ neuropeptide B",
				"children":[
				{
					"name":"K05268  NPBWR1; neuropeptides B\/W receptor 1"
				},
				{
					"name":"K08377  NPBWR2; neuropeptides B\/W receptor 2"
				}
				]
			},
			{
				"name":"Neuropeptide Y",
				"children":[
				{
					"name":"K04204  NPY1R; neuropeptide Y receptor type 1"
				},
				{
					"name":"K04205  NPY2R; neuropeptide Y receptor type 2"
				},
				{
					"name":"K04206  NPY4R; neuropeptide Y receptor type 4"
				},
				{
					"name":"K04207  NPY5R; neuropeptide Y receptor type 5"
				},
				{
					"name":"K04208  NPY6R; neuropeptide Y receptor type 6"
				},
				{
					"name":"K04210  GPR83, GPR72; G protein-coupled receptor 83"
				},
				{
					"name":"K04209  NPFR; neuropeptide F receptor"
				}
				]
			},
			{
				"name":"Neurotensin",
				"children":[
				{
					"name":"K04211  NTSR1; neurotensin receptor 1"
				},
				{
					"name":"K04212  NTSR2; neurotensin receptor 2"
				}
				]
			},
			{
				"name":"Opioid",
				"children":[
				{
					"name":"K04213  OPRD1; delta-type opioid receptor"
				},
				{
					"name":"K04214  OPRK1; kappa-type opioid receptor"
				},
				{
					"name":"K04215  OPRM1; mu-type opioid receptor"
				},
				{
					"name":"K04216  OPRL1; nociceptin receptor"
				},
				{
					"name":"K27951  OGFR, OGFRL; opioid growth factor receptor"
				}
				]
			},
			{
				"name":"Orexigenic neuropeptide QRFP",
				"children":[
				{
					"name":"K08378  QRFPR, GPR103; pyroglutamylated RFamide peptide receptor"
				}
				]
			},
			{
				"name":"Orexin",
				"children":[
				{
					"name":"K04238  HCRTR1; hypocretin (orexin) receptor 1"
				},
				{
					"name":"K04239  HCRTR2; hypocretin (orexin) receptor 2"
				}
				]
			},
			{
				"name":"Oxytocin",
				"children":[
				{
					"name":"K04229  OXTR; oxytocin receptor"
				}
				]
			},
			{
				"name":"Prokineticin",
				"children":[
				{
					"name":"K08379  PROKR1; prokineticin receptor 1"
				},
				{
					"name":"K08380  PROKR2; prokineticin receptor 2"
				}
				]
			},
			{
				"name":"Prolactin-releasing peptide (PrRP)",
				"children":[
				{
					"name":"K04314  PRLHR, GPR10; prolactin releasing hormone receptor"
				}
				]
			},
			{
				"name":"Prosaposin",
				"children":[
				{
					"name":"K04243  GPR37; prosaposin receptor"
				},
				{
					"name":"K04244  GPR37L1, ETBRLP2; prosaposin receptor"
				}
				]
			},
			{
				"name":"Relaxin",
				"children":[
				{
					"name":"K04306  RXFP1, LGR7; relaxin family peptide receptor 1"
				},
				{
					"name":"K04307  RXFP2, LGR8; relaxin family peptide receptor 2"
				},
				{
					"name":"K08397  RXFP3, RLN3R1; relaxin family peptide receptor 3"
				},
				{
					"name":"K08398  RXFP4, RLN3R2; relaxin family peptide receptor 4"
				}
				]
			},
			{
				"name":"Somatostatin",
				"children":[
				{
					"name":"K04217  SSTR1; somatostatin receptor 1"
				},
				{
					"name":"K04218  SSTR2; somatostatin receptor 2"
				},
				{
					"name":"K04219  SSTR3; somatostatin receptor 3"
				},
				{
					"name":"K04220  SSTR4; somatostatin receptor 4"
				},
				{
					"name":"K04221  SSTR5; somatostatin receptor 5"
				},
				{
					"name":"K22872  ASTC-R; allatostatin C receptor"
				}
				]
			},
			{
				"name":"Tachykinin",
				"children":[
				{
					"name":"K04222  TACR1; tachykinin receptor 1"
				},
				{
					"name":"K04223  TACR2; tachykinin receptor 2"
				},
				{
					"name":"K04224  TACR3; tachykinin receptor 3"
				},
				{
					"name":"K14071  LKR; leucokinin receptor"
				},
				{
					"name":"K14072  Rya-R, NEPYR; RYamide receptor"
				}
				]
			},
			{
				"name":"Thrombin",
				"children":[
				{
					"name":"K03914  F2R, PAR1; coagulation factor II (thrombin) receptor"
				},
				{
					"name":"K04234  F2RL1, PAR2; coagulation factor II (thrombin) receptor-like 1"
				},
				{
					"name":"K04235  F2RL2, PAR3; coagulation factor II (thrombin) receptor-like 2"
				},
				{
					"name":"K04236  F2RL3, PAR4; coagulation factor II (thrombin) receptor-like 3"
				}
				]
			},
			{
				"name":"Thyrotropin",
				"children":[
				{
					"name":"K04249  TSHR; thyrotropin receptor"
				}
				]
			},
			{
				"name":"Thyrotropin-releasing hormone (TRH)",
				"children":[
				{
					"name":"K04282  TRHR; thyrotropin-releasing hormone receptor"
				}
				]
			},
			{
				"name":"Urotensin II",
				"children":[
				{
					"name":"K04241  UTS2R; urotensin 2 receptor"
				}
				]
			},
			{
				"name":"Vasopressin",
				"children":[
				{
					"name":"K04226  AVPR1A; arginine vasopressin receptor 1A"
				},
				{
					"name":"K04227  AVPR1B; arginine vasopressin receptor 1B"
				},
				{
					"name":"K04228  AVPR2; arginine vasopressin receptor 2"
				}
				]
			},
			{
				"name":"Neuropeptide receptors",
				"children":[
				{
					"name":"K26200  SPR; sex peptide receptor"
				},
				{
					"name":"K26201  FMRFaR; FMRFamide receptor"
				},
				{
					"name":"K26202  Proc-R; proctolin receptor"
				},
				{
					"name":"K26203  MsR; myosuppressin receptor"
				}
				]
			}
			]
		},
		{
			"name":"Chemokine",
			"children":[
			{
				"name":"CC Chemokine",
				"children":[
				{
					"name":"K04176  CCR1, CD191; C-C chemokine receptor type 1"
				},
				{
					"name":"K04177  CCR2, CD192; C-C chemokine receptor type 2"
				},
				{
					"name":"K04178  CCR3, CD193; C-C chemokine receptor type 3"
				},
				{
					"name":"K04179  CCR4, CD194; C-C chemokine receptor type 4"
				},
				{
					"name":"K04180  CCR5, CD195; C-C chemokine receptor type 5"
				},
				{
					"name":"K04181  CCR6, CD196; C-C chemokine receptor type 6"
				},
				{
					"name":"K04182  CCR7, CD197; C-C chemokine receptor type 7"
				},
				{
					"name":"K04183  CCR8, CDw198; C-C chemokine receptor type 8"
				},
				{
					"name":"K04184  CCR9, CDw199; C-C chemokine receptor type 9"
				},
				{
					"name":"K04185  CCR10; C-C chemokine receptor type 10"
				},
				{
					"name":"K06574  ACKR1, DARC, CD234; atypical chemokine receptor 1"
				},
				{
					"name":"K04187  ACKR2, CCBP2; atypical chemokine receptor 2"
				},
				{
					"name":"K04186  ACKR4, CCRL1, CCR11; atypical chemokine receptor 4"
				},
				{
					"name":"K08373  CCRL2; C-C chemokine receptor-like 2"
				},
				{
					"name":"K08417  GPR75; G protein-coupled receptor 75"
				}
				]
			},
			{
				"name":"CXC Chemokine",
				"children":[
				{
					"name":"K04175  CXCR1, IL8RA, CD181; C-X-C chemokine receptor type 1"
				},
				{
					"name":"K05050  CXCR2, IL8RB, CD182; C-X-C chemokine receptor type 2"
				},
				{
					"name":"K04188  CXCR3, GPR9, CD183; C-X-C chemokine receptor type 3"
				},
				{
					"name":"K04189  CXCR4, CD184; C-X-C chemokine receptor type 4"
				},
				{
					"name":"K04190  CXCR5, BLR1, CD185; C-X-C chemokine receptor type 5"
				},
				{
					"name":"K04191  CXCR6, CD186; C-X-C chemokine receptor type 6"
				},
				{
					"name":"K04304  CXCR7, ACKR3, RDC1; C-X-C chemokine receptor type 7 (atypical chemokine receptor 3)"
				},
				{
					"name":"K04276  CXCR8, GPR35; C-X-C chemokine receptor type 8"
				}
				]
			},
			{
				"name":"CX3C Chemokine",
				"children":[
				{
					"name":"K04192  CX3CR1; CX3C chemokine receptor 1"
				}
				]
			},
			{
				"name":"C Chemokine",
				"children":[
				{
					"name":"K04193  XCR1; XC chemokine receptor 1"
				}
				]
			},
			{
				"name":"Chemokine like",
				"children":[
				{
					"name":"K04245  CMKLR1; chemokine-like receptor 1"
				},
				{
					"name":"K04310  GPR1; G protein-coupled receptor 1"
				},
				{
					"name":"K08403  GPR15; G protein-coupled receptor 15"
				},
				{
					"name":"K08381  GPR32; G protein-coupled receptor 32"
				},
				{
					"name":"K08382  GPR33; G protein-coupled receptor 33"
				}
				]
			}
			]
		},
		{
			"name":"Base and nucleoside",
			"children":[
			{
				"name":"Purine \/ pyrimidine",
				"children":[
				{
					"name":"K04270  P2RY1; P2Y purinoceptor 1"
				},
				{
					"name":"K04269  P2RY2; P2Y purinoceptor 2"
				},
				{
					"name":"K04271  P2RY4; P2Y purinoceptor 4"
				},
				{
					"name":"K04272  P2RY6; P2Y purinoceptor 6"
				},
				{
					"name":"K08386  P2RY8; P2Y purinoceptor 8"
				},
				{
					"name":"K08387  P2RY11; P2Y purinoceptor 11"
				},
				{
					"name":"K04298  P2RY12; P2Y purinoceptor 12"
				},
				{
					"name":"K08388  P2RY13; P2Y purinoceptor 13"
				},
				{
					"name":"K04299  P2RY14; P2Y purinoceptor 14"
				},
				{
					"name":"K10042  SUCNR1, GPR91; succinate receptor 1"
				}
				]
			},
			{
				"name":"Adenosine",
				"children":[
				{
					"name":"K04265  ADORA1; adenosine receptor A1"
				},
				{
					"name":"K04266  ADORA2A, ADOR; adenosine receptor A2a"
				},
				{
					"name":"K04267  ADORA2B; adenosine receptor A2b"
				},
				{
					"name":"K04268  ADORA3; adenosine receptor A3"
				}
				]
			}
			]
		},
		{
			"name":"Lipid",
			"children":[
			{
				"name":"Arachidonylglycine",
				"children":[
				{
					"name":"K08410  GPR18; N-arachidonyl glycine receptor"
				}
				]
			},
			{
				"name":"Bile acid",
				"children":[
				{
					"name":"K08400  GPBAR1; G protein-coupled bile acid receptor 1"
				}
				]
			},
			{
				"name":"Cysteinyl leukotriene",
				"children":[
				{
					"name":"K04322  CYSLTR1; cysteinyl leukotriene receptor 1"
				},
				{
					"name":"K04323  CYSLTR2; cysteinyl leukotriene receptor 2"
				}
				]
			},
			{
				"name":"Free fatty acid",
				"children":[
				{
					"name":"K04325  FFAR1, GPR40; free fatty acid receptor 1"
				},
				{
					"name":"K04328  FFAR2, GPR43; free fatty acid receptor 2"
				},
				{
					"name":"K04326  FFAR3, GPR41; free fatty acid receptor 3"
				},
				{
					"name":"K08425  FFAR4, GPR120; free fatty acid receptor 4"
				},
				{
					"name":"K08421  GPR84; G protein-coupled receptor 84"
				}
				]
			},
			{
				"name":"HETE and oxoETE",
				"children":[
				{
					"name":"K10043  OXER1, GPR170; oxoeicosanoid receptor 1"
				},
				{
					"name":"K08406  GPR31; 12-(S)-hydroxy-5,8,10,14-eicosatetraenoic acid receptor"
				}
				]
			},
			{
				"name":"Leukotriene",
				"children":[
				{
					"name":"K04296  LTB4R1; leukotriene B4 receptor 1"
				},
				{
					"name":"K04297  LTB4R2; leukotriene B4 receptor 2"
				}
				]
			},
			{
				"name":"Lysophosphatidic acid",
				"children":[
				{
					"name":"K04289  LPAR1, EDG2; lysophosphatidic acid receptor 1"
				},
				{
					"name":"K04291  LPAR2, EDG4; lysophosphatidic acid receptor 2"
				},
				{
					"name":"K04294  LPAR3, EDG7; lysophosphatidic acid receptor 3"
				},
				{
					"name":"K04275  LPAR4, GPR23; lysophosphatidic acid receptor 4"
				},
				{
					"name":"K08390  LPAR5, GPR92; lysophosphatidic acid receptor 5"
				},
				{
					"name":"K04273  LPAR6, P2RY5; lysophosphatidic acid receptor 6"
				},
				{
					"name":"K08389  GPR87; G protein-coupled receptor 87"
				}
				]
			},
			{
				"name":"Lysophosphatidylinositol",
				"children":[
				{
					"name":"K08413  GPR55; G protein-coupled receptor 55"
				}
				]
			},
			{
				"name":"Lysophosphatidylserine",
				"children":[
				{
					"name":"K08383  GPR34; G protein-coupled receptor 34"
				},
				{
					"name":"K04274  P2RY10; P2Y purinoceptor 10"
				},
				{
					"name":"K08391  GPR174; G protein-coupled receptor 174"
				}
				]
			},
			{
				"name":"Oleoylethanolamide",
				"children":[
				{
					"name":"K08424  GPR119; glucose-dependent insulinotropic receptor"
				}
				]
			},
			{
				"name":"Prostaglandin",
				"children":[
				{
					"name":"K04332  PTGDR; prostaglandin D2 receptor"
				},
				{
					"name":"K06715  PTGDR2, GPR44, CD294; prostaglandin D2 receptor 2"
				},
				{
					"name":"K04258  PTGER1; prostaglandin E receptor 1"
				},
				{
					"name":"K04259  PTGER2; prostaglandin E receptor 2"
				},
				{
					"name":"K04260  PTGER3; prostaglandin E receptor 3"
				},
				{
					"name":"K04261  PTGER4; prostaglandin E receptor 4"
				},
				{
					"name":"K04262  PTGFR; prostaglandin F receptor"
				}
				]
			},
			{
				"name":"Prostacyclin",
				"children":[
				{
					"name":"K04263  PTGIR; prostacyclin receptor"
				}
				]
			},
			{
				"name":"Sphingolipid",
				"children":[
				{
					"name":"K04288  S1PR1, EDG1, CD363; sphingosine 1-phosphate receptor 1"
				},
				{
					"name":"K04292  S1PR2, EDG5; sphingosine 1-phosphate receptor 2"
				},
				{
					"name":"K04290  S1PR3, EDG3; sphingosine 1-phosphate receptor 3"
				},
				{
					"name":"K04293  S1PR4, EDG6; sphingosine 1-phosphate receptor 4"
				},
				{
					"name":"K04295  S1PR5, EDG8; sphingosine 1-phosphate receptor 5"
				}
				]
			},
			{
				"name":"Thromboxane",
				"children":[
				{
					"name":"K04264  TBXA2R; thromboxane A2 receptor"
				}
				]
			}
			]
		},
		{
			"name":"Vision",
			"children":[
			{
				"name":"Opsin",
				"children":[
				{
					"name":"K04250  RHO, OPN2; rhodopsin"
				},
				{
					"name":"K04252  OPN1SW; short wavelength-sensitive opsin"
				},
				{
					"name":"K04251  OPN1LW, OPN1MW; long\/medium wavelength-sensitive opsin"
				},
				{
					"name":"K04256  OPN3; c-opsin"
				},
				{
					"name":"K13802  NINAE, Rh1; opsin Rh1"
				},
				{
					"name":"K04255  OPN4, Rh2_7; r-opsin"
				},
				{
					"name":"K08385  OPN5; G0-opsin"
				},
				{
					"name":"K04253  RRH; visual pigment-like receptor peropsin"
				},
				{
					"name":"K04254  RGR; retinal G protein coupled receptor"
				}
				]
			}
			]
		},
		{
			"name":"Others",
			"children":[
			{
				"name":"Alpha-ketoglutarate",
				"children":[
				{
					"name":"K08419  OXGR1, GPR99; oxoglutarate (alpha-ketoglutarate) receptor 1"
				}
				]
			},
			{
				"name":"Cannabinoid",
				"children":[
				{
					"name":"K04277  CNR1; cannabinoid receptor 1"
				},
				{
					"name":"K04278  CNR2; cannabinoid receptor 2"
				}
				]
			},
			{
				"name":"Estrogen",
				"children":[
				{
					"name":"K04246  GPER1, GPR30; G-protein coupled estrogen receptor 1"
				}
				]
			},
			{
				"name":"Hydroxy-carboxylic acid",
				"children":[
				{
					"name":"K08401  HCAR1, GPR81; hydroxycarboxylic acid receptor 1"
				},
				{
					"name":"K08402  HCAR2_3, GPR109; hydroxycarboxylic acid receptor 2\/3"
				}
				]
			},
			{
				"name":"L-Tryptophan and L-Phenylalanine",
				"children":[
				{
					"name":"K08428  GPR139; G protein-coupled receptor 139"
				},
				{
					"name":"K08430  GPR142; G protein-coupled receptor 142"
				}
				]
			},
			{
				"name":"Mas proto-oncogene and Mas-related (MRGs)",
				"children":[
				{
					"name":"K04303  MAS1; proto-oncogene Mas"
				},
				{
					"name":"K04324  MAS1L; Mas-related G-protein coupled receptor MRG"
				},
				{
					"name":"K08392  MRGPRD; Mas-related G protein-coupled receptor member D"
				},
				{
					"name":"K08393  MRGPRE; Mas-related G protein-coupled receptor member E"
				},
				{
					"name":"K08394  MRGPRF; Mas-related G protein-coupled receptor member F"
				},
				{
					"name":"K08395  MRGPRG; Mas-related G protein-coupled receptor member G"
				},
				{
					"name":"K22793  MRGPRH; Mas-related G protein-coupled receptor member H"
				},
				{
					"name":"K08396  MRGPRX; Mas-related G protein-coupled receptor member X"
				}
				]
			},
			{
				"name":"Melatonin",
				"children":[
				{
					"name":"K04285  MTNR1A; melatonin receptor type 1A"
				},
				{
					"name":"K04286  MTNR1B; melatonin receptor type 1B"
				}
				]
			},
			{
				"name":"Oxysterol",
				"children":[
				{
					"name":"K04305  EBI2; Epstein-Barr virus induced gene 2"
				}
				]
			},
			{
				"name":"Platelet activating factor",
				"children":[
				{
					"name":"K04279  PTAFR; platelet-activating factor receptor"
				}
				]
			},
			{
				"name":"Proton-sensing GPCRs",
				"children":[
				{
					"name":"K04312  GPR4; G protein-coupled receptor 4"
				},
				{
					"name":"K08416  GPR65, TDAG8; psychosine receptor"
				},
				{
					"name":"K08408  GPR68, OGR1; ovarian cancer G-protein coupled receptor 1"
				},
				{
					"name":"K08426  GPR132, G2A; G protein-coupled receptor 132"
				}
				]
			},
			{
				"name":"R-spondin",
				"children":[
				{
					"name":"K04309  LGR4, GPR48; leucine-rich repeat-containing G protein-coupled receptor 4"
				},
				{
					"name":"K04308  LGR5, GPR49; leucine-rich repeat-containing G protein-coupled receptor 5"
				},
				{
					"name":"K08399  LGR6; leucine-rich repeat-containing G protein-coupled receptor 6"
				}
				]
			},
			{
				"name":"Super conserved receptor expressed in brain (SREB)",
				"children":[
				{
					"name":"K04301  SREB1, GPR27; super conserved receptor expressed in brain 1"
				},
				{
					"name":"K04302  SREB2, GPR85; super conserved receptor expressed in brain 2"
				},
				{
					"name":"K04300  SREB3, GPR173; super conserved receptor expressed in brain 3"
				}
				]
			},
			{
				"name":"Trissin",
				"children":[
				{
					"name":"K22792  TrissinR; trissin receptor"
				}
				]
			},
			{
				"name":"Orphan GPCRs \/ unclassified GPCRs",
				"children":[
				{
					"name":"K22873  TRE1; protein trapped in endoderm-1"
				},
				{
					"name":"K04311  GPR3; G protein-coupled receptor 3"
				},
				{
					"name":"K04313  GPR6; G protein-coupled receptor 6"
				},
				{
					"name":"K04315  GPR12; G protein-coupled receptor 12"
				},
				{
					"name":"K08404  GPR17; G protein-coupled receptor 17"
				},
				{
					"name":"K04317  GPR20; G protein-coupled receptor 20"
				},
				{
					"name":"K04318  GPR21; G protein-coupled receptor 21"
				},
				{
					"name":"K04319  GPR22; G protein-coupled receptor 22"
				},
				{
					"name":"K08405  GPR25; G protein-coupled receptor 25"
				},
				{
					"name":"K08411  GPR26; G protein-coupled receptor 26"
				},
				{
					"name":"K08412  GPR39; G protein-coupled receptor 39"
				},
				{
					"name":"K08409  GPR45; G protein-coupled receptor 45"
				},
				{
					"name":"K04287  GPR50; G protein-coupled receptor 50"
				},
				{
					"name":"K08407  GPR52; G protein-coupled receptor 52"
				},
				{
					"name":"K08414  GPR61; G protein-coupled receptor 61"
				},
				{
					"name":"K08415  GPR62; G protein-coupled receptor 62"
				},
				{
					"name":"K04321  GPR63; G protein-coupled receptor 63"
				},
				{
					"name":"K08418  GPR78; G protein-coupled receptor 78"
				},
				{
					"name":"K08420  GPR82; G protein-coupled receptor 82"
				},
				{
					"name":"K08422  GPR88; G protein-coupled receptor 88"
				},
				{
					"name":"K08423  GPR101; G protein-coupled receptor 101"
				},
				{
					"name":"K08427  GPR135; G protein-coupled receptor 135"
				},
				{
					"name":"K08429  GPR141; G protein-coupled receptor 141"
				},
				{
					"name":"K08431  GPR146; G protein-coupled receptor 146"
				},
				{
					"name":"K08432  GPR148; G protein-coupled receptor 148"
				},
				{
					"name":"K08433  GPR149; G protein-coupled receptor 149"
				},
				{
					"name":"K08434  GPR150; G protein-coupled receptor 150"
				},
				{
					"name":"K08435  GPR151; G protein-coupled receptor 151"
				},
				{
					"name":"K08436  GPR152; G protein-coupled receptor 152"
				},
				{
					"name":"K08437  GPR153; G protein-coupled receptor 153"
				},
				{
					"name":"K08438  GPR160; G protein-coupled receptor 160"
				},
				{
					"name":"K08439  GPR161; G protein-coupled receptor 161"
				},
				{
					"name":"K08440  GPR162; G protein-coupled receptor 162"
				},
				{
					"name":"K08442  GPR176; G protein-coupled receptor 176"
				}
				]
			}
			]
		}
		]
	},
	{
		"name":"Secretin receptor family",
		"children":[
		{
			"name":"Calcium-regulating peptide",
			"children":[
			{
				"name":"Calcitonin",
				"children":[
				{
					"name":"K04576  CALCR; calcitonin receptor"
				},
				{
					"name":"K04577  CALCRL; calcitonin receptor-like"
				}
				]
			},
			{
				"name":"Parathyroid hormone",
				"children":[
				{
					"name":"K04585  PTH1R, PTHR1; parathyroid hormone receptor 1"
				},
				{
					"name":"K04586  PTHR2; parathyroid hormone receptor 2"
				}
				]
			}
			]
		},
		{
			"name":"Hypothalamic hormone",
			"children":[
			{
				"name":"Corticotropin-releasing hormone (CRH)",
				"children":[
				{
					"name":"K04578  CRHR1; corticotropin releasing hormone receptor 1"
				},
				{
					"name":"K04579  CRHR2; corticotropin releasing hormone receptor 2"
				}
				]
			},
			{
				"name":"Growth hormone-releasing hormone (GHRH)",
				"children":[
				{
					"name":"K04584  GHRHR; growth hormone releasing hormone receptor"
				}
				]
			}
			]
		},
		{
			"name":"Pancreatic peptide",
			"children":[
			{
				"name":"Glucagon",
				"children":[
				{
					"name":"K04581  GLP1R; glucagon-like peptide 1 receptor"
				},
				{
					"name":"K04582  GLP2R; glucagon-like peptide 2 receptor"
				},
				{
					"name":"K04583  GCGR; glucagon receptor"
				}
				]
			}
			]
		},
		{
			"name":"Gut peptide",
			"children":[
			{
				"name":"Gastric inhibitory peptide (GIP)",
				"children":[
				{
					"name":"K04580  GIPR; gastric inhibitory polypeptide receptor"
				}
				]
			},
			{
				"name":"Vasoactive intestinal polypeptide (VIP) and pituitary adenyl cyclase-activating peptide (PACAP)",
				"children":[
				{
					"name":"K04589  VIPR1; vasoactive intestinal peptide receptor 1"
				},
				{
					"name":"K04590  VIPR2; vasoactive intestinal peptide receptor 2"
				},
				{
					"name":"K04587  ADCYAP1R1, PACAPRI; pituitary adenylate cyclase-activating polypeptide type I receptor"
				}
				]
			},
			{
				"name":"Secretin",
				"children":[
				{
					"name":"K04588  SCTR; secretin receptor"
				}
				]
			}
			]
		},
		{
			"name":"Others",
			"children":[
			{
				"name":"Receptor activity modifying protein",
				"children":[
				{
					"name":"K08447  RAMP1; receptor activity modifying protein 1"
				},
				{
					"name":"K08448  RAMP2; receptor activity modifying protein 2"
				},
				{
					"name":"K08449  RAMP3; receptor activity modifying protein 3"
				}
				]
			},
			{
				"name":"Methuselah-like proteins (MTH)",
				"children":[
				{
					"name":"K04599  MTH; G protein-coupled receptor Mth (Methuselah protein)"
				}
				]
			},
			{
				"name":"Pigment dispersing factor (PDF)",
				"children":[
				{
					"name":"K22738 PDFR; PDF receptor"
				}
				]
			}
			]
		}
		]
	},
	{
		"name":"Adhesion receptor family",
		"children":[
		{
			"name":"Cadherin EGF LAG (CELSR)",
			"children":[
			{
				"name":"K04600  CELSR1; cadherin EGF LAG seven-pass G-type receptor 1"
			},
			{
				"name":"K04601  CELSR2; cadherin EGF LAG seven-pass G-type receptor 2"
			},
			{
				"name":"K04602  CELSR3; cadherin EGF LAG seven-pass G-type receptor 3"
			}
			]
		},
		{
			"name":"EGF-like module-containing mucin-like hormone receptor-like (EMR)",
			"children":[
			{
				"name":"K04591  ADGRE1, EMR1; adhesion G protein-coupled receptor E1"
			},
			{
				"name":"K08443  ADGRE2, EMR2, CD312; adhesion G protein-coupled receptor E2"
			},
			{
				"name":"K08444  ADGRE3, EMR3; adhesion G protein-coupled receptor E3"
			},
			{
				"name":"K08445  ADGRE4, EMR4; adhesion G protein-coupled receptor E4"
			},
			{
				"name":"K08446  ADGRE5, CD97; CD97 antigen"
			}
			]
		},
		{
			"name":"Latrophilin",
			"children":[
			{
				"name":"K04592  ADGRL1, LPHN1; adhesion G protein-coupled receptor L1"
			},
			{
				"name":"K04593  ADGRL2, LPHN2; adhesion G protein-coupled receptor L2"
			},
			{
				"name":"K04594  ADGRL3, LPHN3; adhesion G protein-coupled receptor L3"
			},
			{
				"name":"K04595  ADGRL4, ELTD1; adhesion G protein-coupled receptor L4"
			}
			]
		},
		{
			"name":"Brain-specific angiogenesis inhibitor (BAI)",
			"children":[
			{
				"name":"K04596  ADGRB1, BAI1; adhesion G protein-coupled receptor B1"
			},
			{
				"name":"K04597  ADGRB2, BAI2; adhesion G protein-coupled receptor B2"
			},
			{
				"name":"K04598  ADGRB3, BAI3; adhesion G protein-coupled receptor B3"
			}
			]
		},
		{
			"name":"Others",
			"children":[
			{
				"name":"K08460  ADGRA1, GPR123; adhesion G protein-coupled receptor A1"
			},
			{
				"name":"K08461  ADGRA2, GPR124; adhesion G protein-coupled receptor A2"
			},
			{
				"name":"K08462  ADGRA3, GPR125; adhesion G protein-coupled receptor A3"
			},
			{
				"name":"K08465  ADGRD1, GPR133; adhesion G-protein coupled receptor D1"
			},
			{
				"name":"K08466  ADGRD2, GPR144; adhesion G-protein coupled receptor D2"
			},
			{
				"name":"K08453  ADGRF1, GPR110; adhesion G-protein coupled receptor F1"
			},
			{
				"name":"K08454  ADGRF2, GPR111; adhesion G-protein coupled receptor F2"
			},
			{
				"name":"K08456  ADGRF3, GPR113; adhesion G-protein coupled receptor F3"
			},
			{
				"name":"K08457  ADGRF4, GPR115; adhesion G-protein coupled receptor F4"
			},
			{
				"name":"K08458  ADGRF5, GPR116; adhesion G-protein coupled receptor F5"
			},
			{
				"name":"K08450  ADGRG1, GPR56; adhesion G-protein coupled receptor G1"
			},
			{
				"name":"K08451  ADGRG2, GPR64; adhesion G-protein coupled receptor G2"
			},
			{
				"name":"K08452  ADGRG3, GPR97; adhesion G-protein coupled receptor G3"
			},
			{
				"name":"K08455  ADGRG4, GPR112; adhesion G-protein coupled receptor G4"
			},
			{
				"name":"K08459  ADGRG5, GPR114; adhesion G-protein coupled receptor G5"
			},
			{
				"name":"K08463  ADGRG6, GPR126; adhesion G-protein coupled receptor G6"
			},
			{
				"name":"K08464  ADGRG7, GPR128; adhesion G-protein coupled receptor G7"
			},
			{
				"name":"K18263  ADGRV1, GPR98, USH2C; adhesion G-protein coupled receptor V1"
			}
			]
		}
		]
	},
	{
		"name":"Metabotropic glutamate receptor family",
		"children":[
		{
			"name":"Glutamate (metabotropic)",
			"children":[
			{
				"name":"K04603  GRM1; metabotropic glutamate receptor 1"
			},
			{
				"name":"K04605  GRM2; metabotropic glutamate receptor 2"
			},
			{
				"name":"K04606  GRM3; metabotropic glutamate receptor 3"
			},
			{
				"name":"K04607  GRM4; metabotropic glutamate receptor 4"
			},
			{
				"name":"K04604  GRM5; metabotropic glutamate receptor 5"
			},
			{
				"name":"K04608  GRM6; metabotropic glutamate receptor 6"
			},
			{
				"name":"K04609  GRM7; metabotropic glutamate receptor 7"
			},
			{
				"name":"K04610  GRM8; metabotropic glutamate receptor 8"
			},
			{
				"name":"K04611  MXR; metabotropic X receptor"
			}
			]
		},
		{
			"name":"GABA",
			"children":[
			{
				"name":"K04615  GABBR; gamma-aminobutyric acid type B receptor"
			},
			{
				"name":"K04617  GPR156, GABABL; gamma-aminobutyric acid type B receptor-like"
			}
			]
		},
		{
			"name":"Calcium-sensing",
			"children":[
			{
				"name":"K04612  CASR; calcium-sensing receptor"
			},
			{
				"name":"K04622  GPRC6A; G protein-coupled receptor family C group 6 member A"
			}
			]
		},
		{
			"name":"Orphan GPRC5",
			"children":[
			{
				"name":"K08468  GPRC5A; G protein-coupled receptor family C group 5 member A"
			},
			{
				"name":"K04619  GPRC5B; G protein-coupled receptor family C group 5 member B"
			},
			{
				"name":"K04620  GPRC5C; G protein-coupled receptor family C group 5 member C"
			},
			{
				"name":"K04621  GPRC5D; G protein-coupled receptor family C group 5 member D"
			},
			{
				"name":"K04623  BOSS; bride of sevenless protein"
			}
			]
		},
		{
			"name":"Unclassified GPCRs",
			"children":[
			{
				"name":"K08469  GPR158; G protein-coupled receptor 158"
			},
			{
				"name":"K22961  GPR179; G protein-coupled receptor 179"
			}
			]
		}
		]
	},
	{
		"name":"Frizzled \/ Smoothened family",
		"children":[
		{
			"name":"K02432  FZD1_7, fz; frizzled 1\/7"
		},
		{
			"name":"K02235  FZD2; frizzled 2"
		},
		{
			"name":"K02329  FZD3; frizzled 3"
		},
		{
			"name":"K02354  FZD4, fz4, CD344; frizzled 4"
		},
		{
			"name":"K02375  FZD5_8, fz2; frizzled 5\/8"
		},
		{
			"name":"K02376  FZD6; frizzled 6"
		},
		{
			"name":"K02842  FZD9_10, CD349_50; frizzled 9\/10"
		},
		{
			"name":"K04690  FZDN, fz3; frizzled"
		},
		{
			"name":"K06226  SMO; smoothened"
		}
		]
	},
	{
		"name":"Others",
		"children":[
		{
			"name":"Chemoreception",
			"children":[
			{
				"name":"Olfactory",
				"children":[
				{
					"name":"K04257  OLFR; olfactory receptor"
				}
				]
			},
			{
				"name":"Taste",
				"children":[
				{
					"name":"K04624  TAS1R1; taste receptor type 1 member 1"
				},
				{
					"name":"K04625  TAS1R2; taste receptor type 1 member 2"
				},
				{
					"name":"K04626  TAS1R3; taste receptor type 1 member 3"
				},
				{
					"name":"K08474  TAS2R; taste receptor type 2"
				}
				]
			},
			{
				"name":"Vomeronasal pheromone",
				"children":[
				{
					"name":"K04614  V1R; vomeronasal 1 receptor"
				},
				{
					"name":"K04613  V2R; vomeronasal 2 receptor"
				}
				]
			},
			{
				"name":"Insect odorant and taste",
				"children":[
				{
					"name":"K22984  OR; odorant receptor"
				},
				{
					"name":"K08471  GR; gustatory receptor"
				}
				]
			},
			{
				"name":"Nematode chemoreception",
				"children":[
				{
					"name":"K08473  K08473; nematode chemoreceptor"
				}
				]
			},
			{
				"name":"Fungal mating pheromone",
				"children":[
				{
					"name":"K11213  STE2; pheromone alpha factor receptor"
				},
				{
					"name":"K04627  STE3; pheromone a factor receptor"
				}
				]
			}
			]
		},
		{
			"name":"Others",
			"children":[
			{
				"name":"Ocular albinism proteins",
				"children":[
				{
					"name":"K08470  OA1, GPR143; ocular albinism type 1 protein"
				}
				]
			},
			{
				"name":"Neuronostatin",
				"children":[
				{
					"name":"K22985  GPR107; G protein-coupled receptor 107"
				}
				]
			},
			{
				"name":"Plant Mlo receptors",
				"children":[
				{
					"name":"K08472  MLO; mlo protein"
				}
				]
			},
			{
				"name":"cAMP signaling",
				"children":[
				{
					"name":"K12762  GPR1; G protein-coupled receptor GPR1"
				},
				{
					"name":"K04629  CARN; cAMP receptor"
				},
				{
					"name":"K22987  GCR1, CRLA; cAMP receptor-like G-protein coupled receptor"
				}
				]
			},
			{
				"name":"Bacterial rhodopsin",
				"children":[
				{
					"name":"K04641  bop; bacteriorhodopsin"
				},
				{
					"name":"K04642  hop; halorhodopsin"
				},
				{
					"name":"K04643  sop; sensory rhodopsin"
				}
				]
			},
			{
				"name":"Orphan GPCRs",
				"children":[
				{
					"name":"K22988  TPRA1, GPR175; transmembrane protein adipocyte-associated 1"
				},
				{
					"name":"K22986  GPR108; G protein-coupled receptor 108"
				},
				{
					"name":"K22989  GPR137; integral membrane protein GPR137"
				},
				{
					"name":"K08467  GPR157; G protein-coupled receptor 157"
				}
				]
			}
			]
		}
		]
	}
	]
}