Structure of PDB 4ja8 Chain A Binding Site BS03

Receptor Information
>4ja8 Chain A (length=416) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DKRIKVAKPVVEMDGDEMTRIIWQFIKEKLILPHVDIQLKYFDLGLPNRD
QTDDQVTIDSALATQKYSVAVKCATITPDEARVEEFKLKKMWKSPNGTIQ
NILGGTVFREPIICKNIPRLVPGWTKPITIGRHAHGDQYKATDFVADRAG
TFKMVFTPKDGSGVKEWEVYNFPAGGVGMGMYNTDESISGFAHSCFQYAI
QKKWPLYMSTKNTILKAYDGRFKDIFQEIFDKHYKTDFDKNKIWYEHRLI
DDMVAQVLKSSGGFVWACKNYDGDVQSDILAQGFGSLGLMTSVLVCPDGK
TIEAEAAHGTVTRHYREHQKGRPTSTNPIASIFAWTRGLEHRGKLDGNQD
LIRFAQMLEKVCVETVESGAMTKDLAGCIHGLSNVKLNEHFLNTTDFLDT
IKSNLDRALGRQHHHH
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain4ja8 Chain A Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4ja8 Targeted inhibition of mutant IDH2 in leukemia cells induces cellular differentiation.
Resolution1.55 Å
Binding residue
(original residue number in PDB)		D314 D318
Binding residue
(residue number reindexed from 1)		D274 D278
Annotation score1
Enzymatic activity
Enzyme Commision number 1.1.1.42: isocitrate dehydrogenase (NADP(+)).
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004450 isocitrate dehydrogenase (NADP+) activity
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0046872 metal ion binding
GO:0051287 NAD binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006097 glyoxylate cycle
GO:0006099 tricarboxylic acid cycle
GO:0006102 isocitrate metabolic process
GO:0006103 2-oxoglutarate metabolic process
GO:0006739 NADP metabolic process
Cellular Component
GO:0005739 mitochondrion
GO:0005759 mitochondrial matrix
GO:0005777 peroxisome
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4ja8, PDBe:4ja8, PDBj:4ja8
PDBsum4ja8
PubMed23558173
UniProtP48735|IDHP_HUMAN Isocitrate dehydrogenase [NADP], mitochondrial (Gene Name=IDH2)

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