Structure of PDB 6h4x Chain B

Receptor sequence
>6h4xB (length=340) Species: 9606 (Homo sapiens) [Search protein sequence]
TLNPSARIMTFYPTMEEFRNFSRYIAYIESQGAHRAGLAKVVPPKEWKPR
ASYDDIDDLVIPAPIQQLVTGQSGLFTQYNIQKKAMTVREFRKIANSDKY
CTPRYSEFEELERKYWKNLTFNPPIYGADVNGTLYEKHVDEWNIGRLRTI
LDLVEGVNTPYLYFGMWKTSFAWHTEDMDLYSINYLHFGEPKSWYSVPPE
HGKRLERLAKGFFPGSAQSCEAFLRHKMTLISPLMLKKYGIPFDKVTQEA
GEFMITFPYGYHAGFNHGFNCAESTNFATRRWIEYGKQAVLCSCRKDMVK
ISMDVFVRKFQPERYKLWKAGKDNTVIDHTLPTPEAAEFL
3D structure
PDB6h4x 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.
ChainB
Resolution2.34 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) G156 Y163 H174 E176 H262 S274
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 B H188 E190 H276 H174 E176 H262
BS02 ZN B C234 H240 C306 C220 H226 C292
BS03 FNQ B Y132 Y175 Y177 F185 H188 E190 K206 W208 K241 H276 Y126 Y161 Y163 F171 H174 E176 K192 W194 K227 H262 MOAD: ic50=0.131uM
BindingDB: IC50=131nM
External links
PDB RCSB:6h4x, PDBe:6h4x, PDBj:6h4x
PDBsum6h4x
PubMed31158747
UniProtO75164|KDM4A_HUMAN Lysine-specific demethylase 4A (Gene Name=KDM4A)

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