Structure of PDB 6h4p Chain B Binding Site BS03

Receptor Information
>6h4p Chain B (length=341) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ESETLNPSARIMTFYPTMEEFRNFSRYIAYIESQGAHRAGLAKVVPPKEW
KPRASYDDIDDLVIPAPIQQLVTGQSGLFTQYNIQKKAMTVREFRKIANS
DKYCTPRYSEFEELERKYWKNLTFNPPIYGADVNGTLYEKHVDEWNIGRL
RTILDLVEGVNTPYLYFGMWKTSFAWHTEDMDLYSINYLHFGEPKSWYSV
PPEHGKRLERLAKGFFPGSAQSCEAFLRHKMTLISPLMLKKYGIPFDKVT
QEAGEFMITFPYGYHAGFNHGFNCAESTNFATRRWIEYGKQAVLCSCRKM
VKISMDVFVRKFQPERYKLWKAGKDNTVIDHTLPTPEAAEF
Ligand information
Ligand IDFQ5
InChIInChI=1S/C23H23ClN6O/c24-19-3-1-2-18(12-19)17-6-10-29(11-7-17)9-5-16-13-28-30(14-16)22-21-20(4-8-25-22)23(31)27-15-26-21/h1-4,8,12-15,17H,5-7,9-11H2,(H,26,27,31)
InChIKeyLDSDVQOOEYCWQS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.6c1cc(cc(c1)Cl)C2CCN(CC2)CCc3cnn(c3)c4c5c(ccn4)C(=O)NC=N5
CACTVS 3.385Clc1cccc(c1)C2CCN(CC2)CCc3cnn(c3)c4nccc5C(=O)NC=Nc45
FormulaC23 H23 Cl N6 O
Name8-[4-[2-[4-(3-chlorophenyl)piperidin-1-yl]ethyl]pyrazol-1-yl]-3~{H}-pyrido[3,4-d]pyrimidin-4-one
ChEMBLCHEMBL3774537
DrugBank
ZINCZINC000653728054
PDB chain6h4p Chain B Residue 403 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6h4p C8-substituted pyrido[3,4-d]pyrimidin-4(3H)-ones: Studies towards the identification of potent, cell penetrant Jumonji C domain containing histone lysine demethylase 4 subfamily (KDM4) inhibitors, compound profiling in cell-based target engagement assays.
Resolution2.19 Å
Binding residue
(original residue number in PDB)		Y132 Y175 Y177 F185 H188 E190 K206 W208 H276
Binding residue
(residue number reindexed from 1)		Y129 Y164 Y166 F174 H177 E179 K195 W197 H265
Annotation score1
Binding affinityMOAD: Ki=0.003uM
BindingDB: IC50=102nM,EC50=8500nM,Ki=3.0nM
Enzymatic activity
Catalytic site (original residue number in PDB) G170 Y177 H188 E190 H276 S288
Catalytic site (residue number reindexed from 1) G159 Y166 H177 E179 H265 S277
Enzyme Commision number 1.14.11.66: [histone H3]-trimethyl-L-lysine(9) demethylase.
1.14.11.69: [histone H3]-trimethyl-L-lysine(36) demethylase.
External links
PDB RCSB:6h4p, PDBe:6h4p, PDBj:6h4p
PDBsum6h4p
PubMed31158747
UniProtO75164|KDM4A_HUMAN Lysine-specific demethylase 4A (Gene Name=KDM4A)

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