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Structural studies on delta3-delta2-enoyl-CoA isomerase: the variable mode of assembly of the trimeric disks of the crotonase superfamily

X-ray diffraction
2.1Å resolution
PDB entry 1pjh coloured by chain, front view.
PDB entry 1pjh coloured by chain, side view.
PDB entry 1pjh coloured by chain, top view.
Source organism: Saccharomyces cerevisiae
Assembly composition:
homo hexamer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: 3,2-trans-enoyl-CoA isomerase
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Multimeric state: homo hexamer
Accessible surface area: 51432.44 Å2
Buried surface area: 28221.11 Å2
Dissociation area: 3,533.23 Å2
Dissociation energy (ΔGdiss): 34.84 kcal/mol
Dissociation entropy (TΔSdiss): 15.82 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-170260

Macromolecules

3,2-trans-enoyl-CoA isomerase
Chains: A, B, C
Length: 280 amino acids
Theoretical weight: 31.72 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q05871 (Residues: 1-280; Coverage: 100%)
Gene names: ECI1, YLR284C
Pfam: Enoyl-CoA hydratase/isomerase
InterPro:
CATH: 2-enoyl-CoA Hydratase; Chain A, domain 1
SCOP: Crotonase-like
3,2-trans-enoyl-CoA isomerase in PDB entry 1pjh, assembly 1, front view.
3,2-trans-enoyl-CoA isomerase in PDB entry 1pjh, assembly 1, side view.
3,2-trans-enoyl-CoA isomerase in PDB entry 1pjh, assembly 1, top view.
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