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HIN RECOMBINASE BOUND TO DNA: THE ORIGIN OF SPECIFICITY IN MAJOR AND MINOR GROOVE INTERACTIONS

X-ray diffraction
2.3Å resolution
PDB entry 1hcr coloured by chain, front view.
PDB entry 1hcr coloured by chain, side view.
PDB entry 1hcr coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Assembly composition:
hetero trimer (preferred)
Entry contents: 1 distinct polypeptide molecule
2 distinct DNA molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: DNA-invertase hin and DNA
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Multimeric state: hetero trimer
Accessible surface area: 6364.72 Å2
Buried surface area: 4267.25 Å2
Dissociation area: 1,563.36 Å2
Dissociation energy (ΔGdiss): 11.66 kcal/mol
Dissociation entropy (TΔSdiss): 10.23 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-113894

Macromolecules

DNA-invertase hin
Chain: A
Length: 52 amino acids
Theoretical weight: 6.05 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Not provided
UniProt:
  • Canonical: P03013 (Residues: 139-190; Coverage: 27%)
Gene names: STM2772, hin
Pfam: Helix-turn-helix domain of resolvase
InterPro:
CATH: Homeodomain-like
SCOP: Recombinase DNA-binding domain
DNA-invertase hin in PDB entry 1hcr, assembly 1, front view.
DNA-invertase hin in PDB entry 1hcr, assembly 1, side view.
DNA-invertase hin in PDB entry 1hcr, assembly 1, top view.
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DNA chain B
Name: DNA (5'-D(*TP*GP*TP*TP*TP*TP*TP*GP*AP*TP*AP*AP*GP*A)-3')
Representative chains: B
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 [99287]
Expression system: Not provided
Length: 14 nucleotides
Theoretical weight: 4.32 KDa
DNA (5'-D(*TP*GP*TP*TP*TP*TP*TP*GP*AP*TP*AP*AP*GP*A)-3') in PDB entry 1hcr, assembly 1, front view.
DNA (5'-D(*TP*GP*TP*TP*TP*TP*TP*GP*AP*TP*AP*AP*GP*A)-3') in PDB entry 1hcr, assembly 1, side view.
DNA (5'-D(*TP*GP*TP*TP*TP*TP*TP*GP*AP*TP*AP*AP*GP*A)-3') in PDB entry 1hcr, assembly 1, top view.
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DNA chain C
Name: DNA (5'-D(*TP*CP*TP*TP*AP*TP*CP*AP*AP*AP*AP*AP*C)-3')
Representative chains: C
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 [99287]
Expression system: Not provided
Length: 13 nucleotides
Theoretical weight: 3.92 KDa
DNA (5'-D(*TP*CP*TP*TP*AP*TP*CP*AP*AP*AP*AP*AP*C)-3') in PDB entry 1hcr, assembly 1, front view.
DNA (5'-D(*TP*CP*TP*TP*AP*TP*CP*AP*AP*AP*AP*AP*C)-3') in PDB entry 1hcr, assembly 1, side view.
DNA (5'-D(*TP*CP*TP*TP*AP*TP*CP*AP*AP*AP*AP*AP*C)-3') in PDB entry 1hcr, assembly 1, top view.
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