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CATALYTIC DOMAIN FROM TRIMERIC DIHYDROLIPOAMIDE SUCCINYLTRANSFERASE

X-ray diffraction
3Å resolution
PDB entry 1c4t coloured by chain, front view.
PDB entry 1c4t coloured by chain, side view.
PDB entry 1c4t coloured by chain, top view.
Source organism: Escherichia coli BL21(DE3)
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex
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Multimeric state: homo trimer
Accessible surface area: 28136.32 Å2
Buried surface area: 9309.12 Å2
Dissociation area: 4,184.77 Å2
Dissociation energy (ΔGdiss): 66.9 kcal/mol
Dissociation entropy (TΔSdiss): 26.92 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-142721

Macromolecules

Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex
Chains: A, B, C
Length: 233 amino acids
Theoretical weight: 26.11 KDa
Source organism: Escherichia coli BL21(DE3)
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AFG6 (Residues: 173-405; Coverage: 58%)
Gene names: JW0716, b0727, sucB
Pfam: 2-oxoacid dehydrogenases acyltransferase (catalytic domain)
InterPro:
CATH: Chloramphenicol acetyltransferase-like domain
SCOP: CAT-like
Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex in PDB entry 1c4t, assembly 1, front view.
Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex in PDB entry 1c4t, assembly 1, side view.
Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex in PDB entry 1c4t, assembly 1, top view.
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