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The crystal structure of short chain dehydrogenase from Rhodobacter sphaeroides

X-ray diffraction
2.097Å resolution
PDB entry 3uxy coloured by chain, front view.
PDB entry 3uxy coloured by chain, side view.
PDB entry 3uxy coloured by chain, top view.
Source organism: Cereibacter sphaeroides 2.4.1
Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Short-chain dehydrogenase/reductase SDR
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Multimeric state: homo tetramer
Accessible surface area: 31755.58 Å2
Buried surface area: 12451.84 Å2
Dissociation area: 2,659.46 Å2
Dissociation energy (ΔGdiss): 33.97 kcal/mol
Dissociation entropy (TΔSdiss): 14.56 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-174578
Assembly 2 (preferred)
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Assembly Name: Short-chain dehydrogenase/reductase SDR
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Multimeric state: homo dimer
Accessible surface area: 18327.11 Å2
Buried surface area: 4136.11 Å2
Dissociation area: 1,474.82 Å2
Dissociation energy (ΔGdiss): 21.2 kcal/mol
Dissociation entropy (TΔSdiss): 12.97 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-174577
Assembly 3
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Assembly Name: Short-chain dehydrogenase/reductase SDR
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Multimeric state: homo dimer
Accessible surface area: 19109.0 Å2
Buried surface area: 2532.75 Å2
Dissociation area: 1,266.37 Å2
Dissociation energy (ΔGdiss): 10.16 kcal/mol
Dissociation entropy (TΔSdiss): 12.91 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-174577
Assembly 4
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Assembly Name: Short-chain dehydrogenase/reductase SDR
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Multimeric state: homo dimer
Accessible surface area: 18747.39 Å2
Buried surface area: 2996.8 Å2
Dissociation area: 1,498.4 Å2
Dissociation energy (ΔGdiss): 22.24 kcal/mol
Dissociation entropy (TΔSdiss): 12.96 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-174577
Assembly 5
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Assembly Name: Short-chain dehydrogenase/reductase SDR
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Multimeric state: homo dimer
Accessible surface area: 18851.98 Å2
Buried surface area: 3713.69 Å2
Dissociation area: 1,263.6 Å2
Dissociation energy (ΔGdiss): 10.02 kcal/mol
Dissociation entropy (TΔSdiss): 12.93 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-174577

Macromolecules

Short-chain dehydrogenase/reductase SDR
Chains: A, B, C, D
Length: 266 amino acids
Theoretical weight: 27.51 KDa
Source organism: Cereibacter sphaeroides 2.4.1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q3IVH6 (Residues: 1-244; Coverage: 100%)
Gene name: RSP_4006
Pfam: Enoyl-(Acyl carrier protein) reductase
InterPro:
CATH: NAD(P)-binding Rossmann-like Domain
Short-chain dehydrogenase/reductase SDR in PDB entry 3uxy, assembly 2, front view.
Short-chain dehydrogenase/reductase SDR in PDB entry 3uxy, assembly 2, side view.
Short-chain dehydrogenase/reductase SDR in PDB entry 3uxy, assembly 2, top view.
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