Brief Information of the Compound and Protein
Compound Name
 Compound Info 
4-cyclopentyl-6-(1,7-diazaspiro[4.4]nonan-7-yl)pyrimidin-2-amine
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 PubChem ID
CID: 24996854
SID: 56338949
Canonical SMILES
Nc1nc(cc(n1)N1CCC2(CCCN2)C1)C1CCCC1
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Compound Formula C16H25N5
Compound Structure
Protein Name
 Protein Info 
Histamine H4 receptor
Protein Classification
Membrane receptor
>
Family A G protein-coupled receptor
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Small molecule receptor (family A GPCR)
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Monoamine receptor
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Histamine receptor
Uniprot ID
Q9H3N8
Gene Name
HRH4
Table of Molecular Bioactivities Related to the Compound and Protein
Cell-based Assay
Cell Line ID Cell Line Name Cell Line Organism
CL000074 SK-N-MC
 Cell Line Info 
Homo sapiens (Human)  2
1
Kd = 2.512 nM
   TI
   LI
   LO
   TS
2
Ki = 11.2 nM
   TI
   LI
   LO
   TS
Biochemical Assays
1 EC50 > 10000 nM