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Crystal structure of single stranded DNA-binding protein (TM0604) from Thermotoga maritima at 2.60 A resolution

X-ray diffraction
2.3Å resolution
PDB entry 1z9f coloured by chain, front view.
PDB entry 1z9f coloured by chain, side view.
PDB entry 1z9f coloured by chain, top view.
Source organism: Thermotoga maritima
Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Single-stranded DNA-binding protein
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Multimeric state: homo dimer
Accessible surface area: 10084.73 Å2
Buried surface area: 2581.32 Å2
Dissociation area: 1,290.66 Å2
Dissociation energy (ΔGdiss): 9.61 kcal/mol
Dissociation entropy (TΔSdiss): 11.2 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-194583
Assembly 2
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Assembly Name: Single-stranded DNA-binding protein
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Multimeric state: homo tetramer
Accessible surface area: 17248.62 Å2
Buried surface area: 8083.47 Å2
Dissociation area: 1,522.52 Å2
Dissociation energy (ΔGdiss): 20.05 kcal/mol
Dissociation entropy (TΔSdiss): 12.36 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-194584

Macromolecules

Single-stranded DNA-binding protein
Chain: A
Length: 153 amino acids
Theoretical weight: 17.78 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WZ73 (Residues: 1-141; Coverage: 100%)
Gene names: TM_0604, ssb
Pfam: Single-strand binding protein family
InterPro:
CATH: Nucleic acid-binding proteins
Single-stranded DNA-binding protein in PDB entry 1z9f, assembly 1, front view.
Single-stranded DNA-binding protein in PDB entry 1z9f, assembly 1, side view.
Single-stranded DNA-binding protein in PDB entry 1z9f, assembly 1, top view.
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