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The structure of the CRISPR-associated protein, Csa3, from Sulfolobus solfataricus at 1.8 angstrom resolution.

X-ray diffraction
1.8Å resolution
PDB entry 2wte coloured by chain, front view.
PDB entry 2wte coloured by chain, side view.
PDB entry 2wte coloured by chain, top view.
Source organism: Saccharolobus solfataricus P2
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: CRISPR locus-related putative DNA-binding protein Csa3
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Multimeric state: homo dimer
Accessible surface area: 19366.49 Å2
Buried surface area: 4636.22 Å2
Dissociation area: 2,253.12 Å2
Dissociation energy (ΔGdiss): 28.75 kcal/mol
Dissociation entropy (TΔSdiss): 13.51 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-189038

Macromolecules

CRISPR locus-related putative DNA-binding protein Csa3
Chains: A, B
Length: 244 amino acids
Theoretical weight: 28.23 KDa
Source organism: Saccharolobus solfataricus P2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q97Y88 (Residues: 1-237; Coverage: 100%)
Gene names: SSO1445, csa3
InterPro:
CATH:
CRISPR locus-related putative DNA-binding protein Csa3 in PDB entry 2wte, assembly 1, front view.
CRISPR locus-related putative DNA-binding protein Csa3 in PDB entry 2wte, assembly 1, side view.
CRISPR locus-related putative DNA-binding protein Csa3 in PDB entry 2wte, assembly 1, top view.
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