Structure of PDB 6h4s Chain B

Receptor sequence
>6h4sB (length=336) Species: 9606 (Homo sapiens) [Search protein sequence]
TLNPSARIMTFYPTMEEFRNFSRYIAYIESQGAHRAGLAKVVPPKEWKPR
ASYDDIDDLVIPAPIQQLVTGQSGLFTQYNIQKKAMTVREFRKIANSDKY
CTPRYSEFEELERKYWKNLTFNPPIYGADVNGTLYEKHVDEWNIGRLRTI
LDLVEKGVNTPYLYFGMWKTSFAWHTEDMDLYSINYLHFGEPKSWYSVPP
EHGKRLERLAKGFFPGSAQSCEAFLRHKMTLISPLMLKKYGIPFDKVTQE
AGEFMITFPYGYHAGFNHGFNCAESTNFATRRWIEYGKQAVLCSCVKISM
DVFVRKFQPERYKLWKAGKDNTVIDHTLPTPEAAEF
3D structure
PDB6h4s 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
Resolution2.45 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) G157 Y164 H175 E177 H263 S275
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 H175 E177 H263
BS02 ZN B C234 H240 C306 C221 H227 C293
BS03 FQE B Y132 N137 Y175 Y177 F185 H188 E190 K206 W208 H276 Y126 N131 Y162 Y164 F172 H175 E177 K193 W195 H263 MOAD: Ki=0.002uM
BindingDB: IC50=60nM,EC50=30300nM,Ki=2.0nM
External links
PDB RCSB:6h4s, PDBe:6h4s, PDBj:6h4s
PDBsum6h4s
PubMed31158747
UniProtO75164|KDM4A_HUMAN Lysine-specific demethylase 4A (Gene Name=KDM4A)

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