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Crystal structure of the AAA domain of Rubisco Activase from Nostoc sp. (strain PCC 7120)

X-ray diffraction
2.454Å resolution
PDB entry 6z1e coloured by chain, front view.
PDB entry 6z1e coloured by chain, side view.
PDB entry 6z1e coloured by chain, top view.
Source organism: Nostoc sp. PCC 7120 = FACHB-418
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: Ribulose bisphosphate carboxylase/oxygenase activase
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Multimeric state: homo hexamer
Accessible surface area: 70101.25 Å2
Buried surface area: 21721.53 Å2
Dissociation area: 5,275.5 Å2
Dissociation energy (ΔGdiss): 48.86 kcal/mol
Dissociation entropy (TΔSdiss): 31.57 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-157704

Macromolecules

Ribulose bisphosphate carboxylase/oxygenase activase
Chains: A, B
Length: 290 amino acids
Theoretical weight: 32.77 KDa
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P58555 (Residues: 2-291; Coverage: 70%)
Gene names: alr1533, rca
Pfam:
InterPro:
Ribulose bisphosphate carboxylase/oxygenase activase in PDB entry 6z1e, assembly 1, front view.
Ribulose bisphosphate carboxylase/oxygenase activase in PDB entry 6z1e, assembly 1, side view.
Ribulose bisphosphate carboxylase/oxygenase activase in PDB entry 6z1e, assembly 1, top view.
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