Structure of PDB 4xrx Chain A

Receptor sequence
>4xrxA (length=390) Species: 9606 (Homo sapiens) [Search protein sequence]
KKISGGSVVEMQGDEMTRIIWELIKEKLIFPYVELDLHSYDLGIENRDAT
NDQVTKDAAEAIKKHNVGVKCATITPDEKRVEEFKLKQMWKSPNGTIRNI
LGGTVFREAIICKNIPRLVSGWVKPIIIGHHYRATDFVVPGPGKVEITYT
PSDGTQKVTYLVHNFEEGGGVAMGMYNQDKSIEDFAHSSFQMALSKGWPL
YLSTKNTILKKYDGRFKDIFQEIYDKQYKSQFEAQKIWYEHRLIDDMVAQ
AMKSEGGFIWACKSLGMMTSVLVCPDGKTVEAEAAHGTVTRHYRMYQKGQ
ETSTNPIASIFAWTRGLAHRAKLDNNKELAFFANALEEVSIETIEAGFMT
KDLAACIKGLPNVQRSDYLNTFEFMDKLGENLKIKLAQAK
3D structure
PDB4xrx Inhibition of Cancer-Associated Mutant Isocitrate Dehydrogenases by 2-Thiohydantoin Compounds.
ChainA
Resolution3.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.1.1.42: isocitrate dehydrogenase (NADP(+)).
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 NDP A T75 T77 R82 L288 H309 G310 T311 V312 R314 H315 T327 N328 T73 T75 R80 L265 H286 G287 T288 V289 R291 H292 T304 N305
BS02 42V A S94 N96 G97 R100 N101 S92 N94 G95 R98 N99 BindingDB: Ki=1200nM
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004450 isocitrate dehydrogenase (NADP+) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0045296 cadherin binding
GO:0046872 metal ion binding
GO:0050661 NADP binding
GO:0051287 NAD binding
Biological 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
GO:0006749 glutathione metabolic process
GO:0006979 response to oxidative stress
GO:0008585 female gonad development
GO:0014070 response to organic cyclic compound
GO:0048545 response to steroid hormone
GO:0060696 regulation of phospholipid catabolic process
GO:0071071 regulation of phospholipid biosynthetic process
Cellular Component
GO:0005576 extracellular region
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005777 peroxisome
GO:0005782 peroxisomal matrix
GO:0005829 cytosol
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome
GO:1904724 tertiary granule lumen
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4xrx, PDBe:4xrx, PDBj:4xrx
PDBsum4xrx
PubMed26280302
UniProtO75874|IDHC_HUMAN Isocitrate dehydrogenase [NADP] cytoplasmic (Gene Name=IDH1)

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