Structure of PDB 6h4u Chain A

Receptor sequence
>6h4uA (length=341) Species: 9606 (Homo sapiens) [Search protein sequence]
LNPSARIMTFYPTMEEFRNFSRYIAYIESQGAHRAGLAKVVPPKEWKPRA
SYDDIDDLVIPAPIQQLVTGQSGLFTQYNIQKKAMTVREFRKIANSDKYC
TPRYSEFEELERKYWKNLTFNPPIYGADVNGTLYEKHVDEWNIGRLRTIL
DLVEKESEGVNTPYLYFGMWKTSFAWHTEDMDLYSINYLHFGEPKSWYSV
PPEHGKRLERLAKGFFPGSAQSCEAFLRHKMTLISPLMLKKYGIPFDKVT
QEAGEFMITFPYGYHAGFNHGFNCAESTNFATRRWIEYGKQAVLCSCRDM
VKISMDVFVRKFQPERYKLWKAGKDNTVIDHTLPTPEAAEF
3D structure
PDB6h4u 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.
ChainA
Resolution2.21 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN A H188 E190 H276 H177 E179 H265
BS02 ZN A C234 H240 C306 C223 H229 C295
BS03 FO2 A Y132 D135 Y177 F185 H188 E190 K206 W208 H276 Y125 D128 Y166 F174 H177 E179 K195 W197 H265 PDBbind-CN: -logKd/Ki=6.16,IC50=0.693uM
BindingDB: IC50=2060nM
External links
PDB RCSB:6h4u, PDBe:6h4u, PDBj:6h4u
PDBsum6h4u
PubMed31158747
UniProtO75164|KDM4A_HUMAN Lysine-specific demethylase 4A (Gene Name=KDM4A)

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