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GLASS

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Go to the GPCR, ligand, or experimental data tables.
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GPCR

Name	Histamine H4 receptor
Species	Homo sapiens (Human)
Gene	HRH4
Synonym	Pfi-013 SP9144 HH4R H4R H4 receptor GPRv53 GPCR105 G-protein coupled receptor 105 AXOR35 [ Show all ]
Disease	Allergic rhinitis Asthma Inflammatory disease Rheumatoid arthritis
Length	390
Amino acid sequence	MPDTNSTINLSLSTRVTLAFFMSLVAFAIMLGNALVILAFVVDKNLRHRSSYFFLNLAISDFFVGVISIPLYIPHTLFEWDFGKEICVFWLTTDYLLCTASVYNIVLISYDRYLSVSNAVSYRTQHTGVLKIVTLMVAVWVLAFLVNGPMILVSESWKDEGSECEPGFFSEWYILAITSFLEFVIPVILVAYFNMNIYWSLWKRDHLSRCQSHPGLTAVSSNICGHSFRGRLSSRRSLSASTEVPASFHSERQRRKSSLMFSSRTKMNSNTIASKMGSFSQSDSVALHQREHVELLRARRLAKSLAILLGVFAVCWAPYSLFTIVLSFYSSATGPKSVWYRIAFWLQWFNSFVNPLLYPLCHKRFQKAFLKIFCIKKQPLPSQHSRSVSS
UniProt	Q9H3N8
Protein Data Bank	N/A
GPCR-HGmod model	Q9H3N8
3D structure model	This predicted structure model is from GPCR-EXP Q9H3N8.
BioLiP	N/A
Therapeutic Target Database	T26500
ChEMBL	CHEMBL3759
IUPHAR	265
DrugBank	BE0000146

Ligand

Name	(R)-alpha-Methylhistamine
Molecular formula	C6H11N3
IUPAC name	(2R)-1-(1H-imidazol-5-yl)propan-2-amine
Molecular weight	125.175
Hydrogen bond acceptor	2
Hydrogen bond donor	2
XlogP	-0.3
Synonyms	alpha-methylhistamine, (R)-isomer LS-191796 PDSP2_000507 RAMH (R)-alpha-MeHA 75614-87-8 BDBM22904 D04HEZ NCGC00024656-03 R(-)-alpha-METHYLHISTAMINE Tocris-0569 (2R)-1-(1H-imidazol-5-yl)propan-2-amine (R)alpha-Me-histamine AKOS006343508 CCG-204707 Lopac0_000618 PDSP1_000541 r(-)alpha methylhistamine [3H](R)-alpha-methylhistamine (R)-(-)-alpha-methylhistamine 4491AJ Alpha-Methylhistamine-R CHEMBL268229 NCGC00024656-01 PDSP2_000533 SCHEMBL4155130 AC1L4GIC BDBM50215536 GTPL1236 NCGC00024656-04 R(-)-\|A-Methyl Histamine Dihydrochloride XNQIOISZPFVUFG-RXMQYKEDSA-N (2R)-1-(3H-imidazol-4-yl)propan-2-amine (\|AR)-\|A-Methyl-1H-imidazole-4-ethanamine Dihydrochloride 1H-Imidazole-4-ethanamine, alpha-methyl-, (alphaR)- Alpha Methylhistamine CHEBI:73337 LS-177199 PDSP1_000542 r-alpha-methylhistamine [3H]-R-alpha-Methylhistamine (R)-2-(3H-Imidazol-4-yl)-1-methyl-ethylamine Alpha-Methylhistane-R D03SAM NCGC00024656-02 PDSP2_000539 SCHEMBL73663 (2R)-1-(1H-imidazol-4-yl)propan-2-amine (R)-[3H]alpha-methylhistamine AC1Q299Z C6H11N3 GTPL1237 PDSP1_000535 R(-)-\|A-Methyl-1H-imidazole-5-ethanamine Dihydrochloride ZINC3872814 (R)-(-)-4-(2-aminopropyl)imidazole [ Show all ]
Inchi Key	XNQIOISZPFVUFG-RXMQYKEDSA-N
Inchi ID	InChI=1S/C6H11N3/c1-5(7)2-6-3-8-4-9-6/h3-5H,2,7H2,1H3,(H,8,9)/t5-/m1/s1
PubChem CID	156615
ChEMBL	CHEMBL268229
IUPHAR	1237, 1236
BindingDB	22904, 50215536
DrugBank	N/A
Structure SDF download
Lipinski's druglikeness	This ligand satisfies Lipinski's rule of five.

Experimental Data

Parameter	Value	Reference	Database source
EC50	630.96 nM	PMID21044842	ChEMBL
EC50	1122.02 nM	PMID14640553	ChEMBL
Intrinsic activity	1.0 -	PMID21044842	ChEMBL
Intrinsic activity	1.04 -	PMID14640553	ChEMBL
Kd	63.0957 nM	PMID11179434	IUPHAR
Ki	125.893 - 316.228 nM	PMID11179434, PMID11561071, PMID11181941, PMID11179436	IUPHAR
Ki	146.0 nM	PMID12954048, PMID11179434	BindingDB,ChEMBL
Ki	184.0 nM	PMID18459760	BindingDB,ChEMBL
Ki	232.0 nM	PMID11179436	BindingDB
Ki	251.0 nM	PMID15947036	BindingDB
Ki	251.19 nM	PMID21044842	ChEMBL
Ki	348.0 nM	PMID11179436	BindingDB
Ki	4.16869e+15 nM	PMID14640553	ChEMBL

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