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Hexameric Form II RuBisCO from Rhodopseudomonas palustris, activated and complexed with sulfate and magnesium

X-ray diffraction
2.38Å resolution
PDB entry 4lf2 coloured by chain, front view.
PDB entry 4lf2 coloured by chain, side view.
PDB entry 4lf2 coloured by chain, top view.
Source organism: Rhodopseudomonas palustris CGA009
Assemblies composition:
homo hexamer
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Ribulose bisphosphate carboxylase
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Multimeric state: homo hexamer
Accessible surface area: 79847.71 Å2
Buried surface area: 36742.05 Å2
Dissociation area: 3,639.99 Å2
Dissociation energy (ΔGdiss): 1.12 kcal/mol
Dissociation entropy (TΔSdiss): 32.01 kcal/mol
Symmetry number: 6
PDBe Complex ID: PDB-CPX-564129
Assembly 2
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Assembly Name: Ribulose bisphosphate carboxylase
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Multimeric state: homo dimer
Accessible surface area: 28928.65 Å2
Buried surface area: 10056.24 Å2
Dissociation area: 4,285.29 Å2
Dissociation energy (ΔGdiss): 73.21 kcal/mol
Dissociation entropy (TΔSdiss): 15.41 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-564128
Assembly 3 (preferred)
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Assembly Name: Ribulose bisphosphate carboxylase
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Multimeric state: homo dimer
Accessible surface area: 29154.15 Å2
Buried surface area: 9939.56 Å2
Dissociation area: 4,319.03 Å2
Dissociation energy (ΔGdiss): 73.45 kcal/mol
Dissociation entropy (TΔSdiss): 15.41 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-564128
Assembly 4
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Assembly Name: Ribulose bisphosphate carboxylase
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Multimeric state: homo dimer
Accessible surface area: 29044.88 Å2
Buried surface area: 9466.27 Å2
Dissociation area: 4,256.73 Å2
Dissociation energy (ΔGdiss): 65.52 kcal/mol
Dissociation entropy (TΔSdiss): 15.4 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-564128

Macromolecules

Ribulose bisphosphate carboxylase
Chains: A, B, C, D, E, F
Length: 481 amino acids
Theoretical weight: 52.76 KDa
Source organism: Rhodopseudomonas palustris CGA009
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q6N0W9 (Residues: 1-461; Coverage: 100%)
Gene names: RPA4641, cbbM
Pfam:
InterPro:
CATH:
Ribulose bisphosphate carboxylase in PDB entry 4lf2, assembly 3, front view.
Ribulose bisphosphate carboxylase in PDB entry 4lf2, assembly 3, side view.
Ribulose bisphosphate carboxylase in PDB entry 4lf2, assembly 3, top view.
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