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GPCR

Name	Histamine H1 receptor
Species	Cavia porcellus (Guinea pig)
Gene	HRH1
Synonym	H1R HH1R
Disease	N/A for non-human GPCRs
Length	488
Amino acid sequence	MSFLPGMTPVTLSNFSWALEDRMLEGNSTTTPTRQLMPLVVVLSSVSLVTVALNLLVLYAVRSERKLHTVGNLYIVSLSVADLIVGAVVMPMSILYLHRSAWILGRPLCLFWLSMDYVASTASIFSVFILCIDRYRSVQQPLRYLRYRTKTRASATILGAWLLSFLWVIPILGWHHFMAPTSEPREKKCETDFYDVTWFKVMTAIINFYLPTLLMLWFYIRIYKAVRRHCQHRQLINSSLPSFSEMKLKLENAKVDTRRMGKESPWEDPKRCSKDASGVHTPMPSSQHLVDMPCAAVLSEDEGGEVGTRQMPMLAVGDGRCCEALNHMHSQLELSGQSRATHSISARPEEWTVVDGQSFPITDSDTSTEAAPMGGQPRSGSNSGLDYIKFTWRRLRSHSRQYTSGLHLNRERKAAKQLGCIMAAFILCWIPYFVFFMVIAFCKSCSNEPVHMFTIWLGYLNSTLNPLIYPLCNENFRKTFKRILRIPP
UniProt	P31389
Protein Data Bank	N/A
GPCR-HGmod model	N/A
3D structure model	No available structures or models
BioLiP	N/A
Therapeutic Target Database	N/A
ChEMBL	CHEMBL3943
IUPHAR	N/A
DrugBank	N/A

Ligand

Name	histamine
Molecular formula	C5H9N3
IUPAC name	2-(1H-imidazol-5-yl)ethanamine
Molecular weight	111.148
Hydrogen bond acceptor	2
Hydrogen bond donor	2
XlogP	-0.7
Synonyms	2631-EP2300422A1 DB05381 2631-EP2308873A1 Ergamine 2631-EP2316824A1 163355-EP2270002A1 AB00053481_20 2-(1H-Imidazol-4-yl)ethanamine AKOS009158347 2-(4-Imidazolyl)ethanamine BC205752 2631-EP2269990A1 Bio1_000487 2631-EP2277570A2 BSPBio_001117 2631-EP2292619A1 MCULE-4970362785 NCGC00015513-04 NCGC00093371-02 GTPL1247 NTYJJOPFIAHURM-UHFFFAOYSA-N Histamine, 97% SCHEMBL2279 Histaminum (TN) Spectrum5_000796 I05-0627 UNII-820484N8I3 J-505349 KBio2_005593 KBioSS_001325 CTK1G9684 2631-EP2305640A2 DSSTox_GSID_23125 2631-EP2311803A1 3h-histamine .beta.-Imidazolyl-4-ethylamine 65592-96-3 1H-Imidazole-4-ethanamine AC1L19ZT 2-(1H-imidazol-5-yl)ethanamine AN-24395 2-Imidazol-4-ylethylamine BDBM7966 2631-EP2277565A2 Bio2_000389 2631-EP2281563A1 C00388 2631-EP2295423A1 L-histamine MolPort-001-785-597 NCGC00015513-07 F2173-0575 NCGC00093371-05 Racemic histamine Histamine, base, >=97.0% (NT) SMR000059091 HMS1792G19 STK346752 Imidazole, 4-(2-aminoethyl)- ZERO/004089 KBio1_000308 KBio3_000854 2631-EP2298772A1 D08040 2631-EP2305668A1 EINECS 200-100-6 2631-EP2314587A1 4-Imidazoleethylamine 820484N8I3 2-(1H-Imidazol-4-yl)-ethylamine AJ-70500 2-(3H-imidazol-4-yl)ethanamine BB 0241907 2631-EP2268638A1 beta-aminothethylglyoxaline 2631-EP2277568A2 BP-11484 2631-EP2287166A2 CCRIS 6535 Lopac0_000595 NCGC00015513-02 NCGC00015513-10 FT-0627839 NSC-33792 Histamine Dihydrochloride (Salt/Mix) SBB012708 Histamine, Vetec(TM) reagent grade, >=97% Spectrum3_000452 HSDB 3338 Tox21_110166_1 Istamina [3H]histamine KBio2_003025 KBioGR_001580 CHEMBL90 2631-EP2301937A1 DivK1c_000308 2631-EP2311801A1 Ergotidine 2631-EP2316831A1 .beta.-Aminoethylglyoxaline 51-45-6 163355-EP2284166A1 AB00053481_21 2-(1H-Imidazol-4-yl)ethanamine # ALBB-005968 2-(4-Imidazolyl)ethylamine BCBcMAP01_000250 2631-EP2270002A1 Bio1_000976 2631-EP2277848A1 BSPBio_002124 2631-EP2292620A2 MFCD00005210 NCGC00015513-05 NCGC00093371-03 H7125_SIGMA Opera_ID_1772 Histamine, >=97.0% SDCCGMLS-0066601.P001 Histamium Spectrum_000845 IDI1_000308 WLN: T5M CNJ D2Z KB-220202 KBio2_006461 KS-00000XSS CTK5C2901 2631-EP2305648A1 DSSTox_RID_76884 2631-EP2311831A1 4-(2-Aminoethyl)-1H-imidazole 056H928 714I940 1H-Imidazole-5-ethanamine AC1Q54BV 2-(1H-Imidazol-5-yl)ethylamine ANW-50461 2-imidazol-5-ylethylamine beta-Aminoethylglyoxaline 2631-EP2277566A2 Bio2_000869 2631-EP2286811A1 CAS-51-45-6 2631-EP2298734A2 L000292 MolPort-002-042-264 NCGC00015513-08 F411C768-A159-4FC0-A195-291A08BB03AA NINDS_000308 Histamine (DCF) RP00535 Histamine, EuropePharmacopoeia (EP) Reference Standard SPBio_000729 HMS1990G19 Theramine Imidazole-4-ethylamine ZINC388081 KBio2_000457 KBio3_001344 2631-EP2298776A1 2631-EP2305677A1 Eramin 2631-EP2316459A1 (1H-imidazol-4-yl)ethylamine 5-Imidazoleethylamine 1416954-63-6 924364-91-0 2-(1H-imidazol-4-yl)ethan-1-amine AKOS000274386 2-(3H-imidazol-4-yl)ethylamine BBL004932 2631-EP2269989A1 beta-Imidazolyl-4-ethylamine 2631-EP2277569A2 BR-47510 2631-EP2292280A1 CHEBI:18295 LS-75835 NCGC00015513-03 NCGC00015513-11 GTPL1204 NSC33792 Histamine [USAN] SBI-0050577.P004 Histaminum Spectrum4_000960 HY-B1204 TR-018324 Istamina [Italian] KBio2_003893 KBioSS_000457 CS-4697 2631-EP2305260A1 DSSTox_CID_3125 2631-EP2311802A1 2631-EP2371814A1 .beta.-Aminoethylimidazole 64422-25-9 1avn AC-13185 2-(1H-Imidazol-4-yl)ethylamine AM20100377 2-imidazol-4-yl-Ethylamine BDBM50121205 2631-EP2275420A1 Bio1_001465 2631-EP2280001A1 C-5322 2631-EP2295409A1 MLS000069447 NCGC00015513-06 Ethylamine, 2-imidazol-4-yl- NCGC00093371-04 Histamin peremin Histamine, analytical standard SMP1_000151 HMS1362G19 ST073926 IDI1_002144 Y9749 KB-237398 KBio3_000853 L-Histamin base 2631-EP2298767A1 D04USC 2631-EP2305652A2 DTXSID4023125 2631-EP2314574A1 4-(2-Aminoethyl)imidazole 1qft AC1Q54BW 2-(3H-Imidazol-4-yl)-ethylamine b-Imidazolyl-4-ethylamine 2-[4-Imidazolyl]ethylamine beta-Aminoethylimidazole 2631-EP2277567A1 bmse000744 2631-EP2287165A2 CCG-204684 Lopac-H-7250 NCGC00015513-01 NCGC00015513-09 Free histamine NSC 33792 Histamine Base RTR-018324 Histamine, Free Base Spectrum2_000665 HMS3403G19 Tox21_110166 IN1471 [2-(1H-imidazol-4-yl)ethyl]amine KBio2_001325 KBioGR_000457 [ Show all ]
Inchi Key	NTYJJOPFIAHURM-UHFFFAOYSA-N
Inchi ID	InChI=1S/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)
PubChem CID	774
ChEMBL	CHEMBL90
IUPHAR	1247, 1204
BindingDB	50121205, 7966
DrugBank	DB05381
Structure SDF download
Lipinski's druglikeness	This ligand satisfies Lipinski's rule of five.

Experimental Data

Parameter	Value	Reference	Database source
Activity	1.0 -	PMID1967317	ChEMBL
Activity	100.0 %	PMID16266803	ChEMBL
Activity	100.0 -	PMID1967317	ChEMBL
EC50	162.18 nM	PMID14640554	ChEMBL
EC50	199.53 nM	PMID14640554, PMID16266803	ChEMBL
EC50	8.70964e+14 nM	PMID7731015	ChEMBL
Emax	100.0 %	PMID9873585, PMID14640554, PMID16266803	ChEMBL
Intrinsic activity	1.0 -	PMID1280301, PMID7731015	ChEMBL
Intrinsic activity	1.06 -	PMID7731015	ChEMBL
Kd	0.776 nM	PMID9873585, PMID10737740	BindingDB
Kd	0.7762 nM	PMID9873585, PMID10737740	ChEMBL
Kd	0.851 nM	PMID9873585	BindingDB
Kd	0.851 nM	PMID10737740	BindingDB
Kd	0.8511 nM	PMID9873585, PMID10737740	ChEMBL
Kd	1.0 nM	PMID14640554, PMID10737740	BindingDB,ChEMBL
Kd	10.0 nM	PMID10737740	BindingDB,ChEMBL
Ki	<10000.0 nM	PMID15169829, PMID8294914, PMID12065734	PDSP,BindingDB
Ki	100.0 nM	PMID1321744	PDSP,BindingDB
Ki	3162.27 nM	PMID7925364	PDSP,BindingDB
Ki	4600.0 nM	PMID16554355	PDSP,BindingDB
Ki	4650.0 nM	PMID12626648	PDSP,BindingDB
Ki	9900.0 nM	PMID12065734	PDSP,BindingDB
Ki	7.94328e+13 nM	PMID7830269	ChEMBL
pD2	6.6 -	PMID10197956	ChEMBL
pD2	6.7 -	PMID7731015	ChEMBL
pKb	9.09 -	PMID7731015	ChEMBL
pKb	9.11 -	PMID7731015	ChEMBL
Potency	100.0 -	PMID1967317	ChEMBL
Relative activity	100.0 %	PMID7731015	ChEMBL
Relative activity	105.0 %	PMID7731015	ChEMBL
Relative potency	100.0 %	PMID9873585	ChEMBL
Relative potency	100.0 -	PMID14640554	ChEMBL