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4KZO

Crystal Structure Analysis of human IDH1 mutants in complex with NADP+ and Ca2+/alpha-Ketoglutarate

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Isocitrate dehydrogenase [NADP] cytoplasmicpolymer42548135.73UniProt (O75874)
Pfam (PF00180)
Homo sapiens (human)IDH, Cytosolic NADP-isocitrate dehydrogenase, IDP, NADP(+)-specific ICDH, Oxalosuccinate decarboxylase
2D, H, K
(A, B, C)
CALCIUM IONnon-polymer40.13Chemie (CA)
PubChem (271)
3E, I, L
(A, B, C)
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATEnon-polymer743.43Chemie (NAP)
PubChem (5885)
PubChem (46936685)
PubChem (71717786)
PubChem (4412)
PubChem (90473931)
PubChem (91972139)
PubChem (145946263)
PubChem (153311489)
PubChem (174001641)
PubChem (165382010)
4F, J, M
(A, B, C)
2-OXOGLUTARIC ACIDnon-polymer146.13Chemie (AKG)
PubChem (51)
5G
(A)
1,2-ETHANEDIOLnon-polymer62.11Chemie (EDO)
6N, O, P
(A, B, C)
waterwater18.0356Chemie (HOH)
Sequence modifications
A, B, C: 1 - 414 (UniProt: O75874)
PDBExternal DatabaseDetails
His 132Arg 132variant
Ser 415-expression tag
Leu 416-expression tag
Glu 417-expression tag
His 418-expression tag
His 419-expression tag
His 420-expression tag
His 421-expression tag
His 422-expression tag
His 423-expression tag
His 424-expression tag
His 425-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight144407.1
Non-Polymers*Number of molecules10
Total formula weight2850.8
All*Total formula weight147257.9
*Water molecules are not included.

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PDB entries from 2026-05-06

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