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GLASS

You can:

Go to the GPCR, ligand, or experimental data tables.
Go to the experimental data table for text mining information in PubMed ID column.
Go to the GPCR page and check other ligands which interact with it.
Go to the ligand page and check other GPCRs which it interacts with.
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GPCR

Name	Histamine H4 receptor
Species	Rattus norvegicus (Rat)
Gene	Hrh4
Synonym	GPCR105 H4 receptor H4R HH4R
Disease	N/A for non-human GPCRs
Length	391
Amino acid sequence	MSESNGTDVLPLTAQVPLAFLMSLLAFAITIGNAVVILAFVADRNLRHRSNYFFLNLAISDFFVGVISIPLYIPHTLFNWNFGSGICMFWLITDYLLCTASVYSIVLISYDRYQSVSNAVRYRAQHTGILKIVAQMVAVWILAFLVNGPMILASDSWKNSTNTEECEPGFVTEWYILAITAFLEFLLPVSLVVYFSVQIYWSLWKRGSLSRCPSHAGFIATSSRGTGHSRRTGLACRTSLPGLKEPAASLHSESPRGKSSLLVSLRTHMSGSIIAFKVGSFCRSESPVLHQREHVELLRGRKLARSLAVLLSAFAICWAPYCLFTIVLSTYRRGERPKSIWYSIAFWLQWFNSLINPFLYPLCHRRFQKAFWKILCVTKQPAPSQTQSVSS
UniProt	Q91ZY1
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	CHEMBL4468
IUPHAR	265
DrugBank	N/A

Ligand

Name	CHEMBL494093
Molecular formula	C17H21N5
IUPAC name	4-(4-methylpiperazin-1-yl)-5,6-dihydrobenzo[h]quinazolin-2-amine
Molecular weight	295.39
Hydrogen bond acceptor	5
Hydrogen bond donor	1
XlogP	2.1
Synonyms	6-(4-methylpiperazin-1-yl)-3,5-diazatricyclo[8.4.0.0^{2,7}]tetradeca-1(14),2,4,6,10,12-hexaen-4-amine 2,4-diamino-5,6-disubstituted pyrimidine, 6 BDBM26392 SCHEMBL4877466
Inchi Key	CEUMRIVIGREJGB-UHFFFAOYSA-N
Inchi ID	InChI=1S/C17H21N5/c1-21-8-10-22(11-9-21)16-14-7-6-12-4-2-3-5-13(12)15(14)19-17(18)20-16/h2-5H,6-11H2,1H3,(H2,18,19,20)
PubChem CID	25128822
ChEMBL	CHEMBL494093
IUPHAR	N/A
BindingDB	26392
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	15.49 nM	PMID18817367	ChEMBL
Efficacy	76.0 %	PMID18817367	ChEMBL
Ki	5.37 nM	PMID18817367	ChEMBL
Ki	5.4 nM	PMID18817367	BindingDB

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