Structure of PDB 6kg2 Chain B Binding Site BS01

Receptor Information
>6kg2 Chain B (length=290) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EAVVISGRKLAQQIKQEVRQEVEEWVASGNKRPHLSVILVGENPASHSYV
LNKTRAAAVVGINSETIMKPASISEEELLNLINKLNNDDNVDGLLVQLPL
PEHIDERRICNAVSPDKDVDGFHVINVGRMCLDQYSMLPATPWGVWEIIK
RTGIPTLGKNVVVAGRSKNVGMPIAMLLHTDGAHERPGGDATVTISHRYT
PKEQLKKHTILADIVISAAGIPNLITADMIKEGAAVIDVGINRVPKLVGD
VDFEGVRQKAGYITPVPGGVGPMTVAMLMKNTIIAAKKVL
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain6kg2 Chain A Residue 502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6kg2 Discovery of a Potent, Selective, and Orally Available MTHFD2 Inhibitor (DS18561882) with in Vivo Antitumor Activity.
Resolution2.25 Å
Binding residue
(original residue number in PDB)
D216 H219
Binding residue
(residue number reindexed from 1)
D181 H184
Annotation score1
Enzymatic activity
Enzyme Commision number 1.5.1.15: methylenetetrahydrofolate dehydrogenase (NAD(+)).
3.5.4.9: methenyltetrahydrofolate cyclohydrolase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004488 methylenetetrahydrofolate dehydrogenase (NADP+) activity

View graph for
Molecular Function
External links
PDB RCSB:6kg2, PDBe:6kg2, PDBj:6kg2
PDBsum6kg2
PubMed31638799
UniProtP13995|MTDC_HUMAN Bifunctional methylenetetrahydrofolate dehydrogenase/cyclohydrolase, mitochondrial (Gene Name=MTHFD2)

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