Structure analysis

Crystal structure of homodimeric R132H mutant of human cytosolic NADP(+)-dependent isocitrate dehydrogenase in complex with NADP

X-ray diffraction
3.41Å resolution
Source organism: Homo sapiens
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 36890.02 Å2
Buried surface area: 6347.13 Å2
Dissociation area: 2,157.58 Å2
Dissociation energy (ΔGdiss): 30.07 kcal/mol
Dissociation entropy (TΔSdiss): 14.7 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-131150

Macromolecules

Chains: A, B
Length: 422 amino acids
Theoretical weight: 47.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O75874 (Residues: 1-414; Coverage: 100%)
Gene names: IDH1, PICD
Pfam: Isocitrate/isopropylmalate dehydrogenase
InterPro:
CATH: Isopropylmalate Dehydrogenase

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