Structure of PDB 6h4q Chain B

Receptor sequence
>6h4qB (length=350) Species: 9606 (Homo sapiens) [Search protein sequence]
SESETLNPSARIMTFYPTMEEFRNFSRYIAYIESQGAHRAGLAKVVPPKE
WKPRASYDDIDDLVIPAPIQQLVTGQSGLFTQYNIQKKAMTVREFRKIAN
SDKYCTPRYSEFEELERKYWKNLTFNPPIYGADVNGTLYEKHVDEWNIGR
LRTILDLVEKESGITIEGVNTPYLYFGMWKTSFAWHTEDMDLYSINYLHF
GEPKSWYSVPPEHGKRLERLAKGFFPGSAQSCEAFLRHKMTLISPLMLKK
YGIPFDKVTQEAGEFMITFPYGYHAGFNHGFNCAESTNFATRRWIEYGKQ
AVLCSCRMVKISMDVFVRKFQPERYKLWKAGKDNTVIDHTLPTPEAAEFL
3D structure
PDB6h4q 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
Resolution2.31 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) G168 Y175 H186 E188 H274 S286
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 H186 E188 H274
BS02 ZN B C234 H240 C306 C232 H238 C304
BS03 FO2 B Y132 Y177 F185 H188 E190 D191 K206 W208 H276 Y130 Y175 F183 H186 E188 D189 K204 W206 H274 MOAD: ic50=2.06uM
BindingDB: IC50=2060nM
External links
PDB RCSB:6h4q, PDBe:6h4q, PDBj:6h4q
PDBsum6h4q
PubMed31158747
UniProtO75164|KDM4A_HUMAN Lysine-specific demethylase 4A (Gene Name=KDM4A)

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