Structure analysis

Crystal structure of the alpha gamma heterodimer of human IDH3 in complex with Mg(2+) and NADH

X-ray diffraction
2.4Å resolution
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 25775.48 Å2
Buried surface area: 7034.33 Å2
Dissociation area: 2,540.64 Å2
Dissociation energy (ΔGdiss): 35.37 kcal/mol
Dissociation entropy (TΔSdiss): 13.75 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-156145

Macromolecules

Chain: A
Length: 339 amino acids
Theoretical weight: 36.68 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P50213 (Residues: 28-366; Coverage: 93%)
Gene name: IDH3A
Pfam: Isocitrate/isopropylmalate dehydrogenase
InterPro:
CATH: Isopropylmalate Dehydrogenase

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Chain: B
Length: 354 amino acids
Theoretical weight: 38.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P51553 (Residues: 40-393; Coverage: 90%)
Gene name: IDH3G
Pfam: Isocitrate/isopropylmalate dehydrogenase
InterPro:
CATH: Isopropylmalate Dehydrogenase

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