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CRYSTAL STRUCTURE ANALYSIS OF VERY SHORT PATCH REPAIR (VSR) ENDONUCLEASE IN COMPLEX WITH A DUPLEX DNA

X-ray diffraction
2.3Å resolution
PDB entry 1cw0 coloured by chain, front view.
PDB entry 1cw0 coloured by chain, side view.
PDB entry 1cw0 coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
hetero tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule
3 distinct DNA molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: DNA mismatch endonuclease Vsr and DNA
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Multimeric state: hetero tetramer
Accessible surface area: 10375.61 Å2
Buried surface area: 5110.4 Å2
Dissociation area: 1,848.41 Å2
Dissociation energy (ΔGdiss): 34.32 kcal/mol
Dissociation entropy (TΔSdiss): 11.23 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-113561

Macromolecules

DNA mismatch endonuclease Vsr
Chain: A
Length: 155 amino acids
Theoretical weight: 17.91 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P09184 (Residues: 2-156; Coverage: 99%)
Gene names: JW1943, b1960, vsr
Pfam: DNA mismatch endonuclease Vsr
InterPro:
CATH: VSR Endonuclease
SCOP: Very short patch repair (VSR) endonuclease
DNA mismatch endonuclease Vsr in PDB entry 1cw0, assembly 1, front view.
DNA mismatch endonuclease Vsr in PDB entry 1cw0, assembly 1, side view.
DNA mismatch endonuclease Vsr in PDB entry 1cw0, assembly 1, top view.
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DNA chain M
Name: DNA (5'-D(*AP*CP*GP*TP*AP*CP*CP*TP*GP*GP*CP*T)-3')
Representative chains: M
Source organism: Escherichia coli [562]
Expression system: Not provided
Length: 12 nucleotides
Theoretical weight: 3.64 KDa
DNA (5'-D(*AP*CP*GP*TP*AP*CP*CP*TP*GP*GP*CP*T)-3') in PDB entry 1cw0, assembly 1, front view.
DNA (5'-D(*AP*CP*GP*TP*AP*CP*CP*TP*GP*GP*CP*T)-3') in PDB entry 1cw0, assembly 1, side view.
DNA (5'-D(*AP*CP*GP*TP*AP*CP*CP*TP*GP*GP*CP*T)-3') in PDB entry 1cw0, assembly 1, top view.
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DNA chain N
Name: DNA (5'-D(*AP*GP*C)-3')
Representative chains: N
Source organism: Escherichia coli [562]
Expression system: Not provided
Length: 3 nucleotides
Theoretical weight: 887 Da
DNA (5'-D(*AP*GP*C)-3') in PDB entry 1cw0, assembly 1, front view.
DNA (5'-D(*AP*GP*C)-3') in PDB entry 1cw0, assembly 1, side view.
DNA (5'-D(*AP*GP*C)-3') in PDB entry 1cw0, assembly 1, top view.
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DNA chain O
Name: DNA (5'-D(P*TP*AP*GP*GP*TP*AP*CP*GP*T)-3')
Representative chains: O
Source organism: Escherichia coli [562]
Expression system: Not provided
Length: 9 nucleotides
Theoretical weight: 2.77 KDa
DNA (5'-D(P*TP*AP*GP*GP*TP*AP*CP*GP*T)-3') in PDB entry 1cw0, assembly 1, front view.
DNA (5'-D(P*TP*AP*GP*GP*TP*AP*CP*GP*T)-3') in PDB entry 1cw0, assembly 1, side view.
DNA (5'-D(P*TP*AP*GP*GP*TP*AP*CP*GP*T)-3') in PDB entry 1cw0, assembly 1, top view.
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