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Crystal structure of S. cerevisiae RAP1-Sir3 complex

X-ray diffraction
2Å resolution
PDB entry 3owt coloured by chain, front view.
PDB entry 3owt coloured by chain, side view.
PDB entry 3owt coloured by chain, top view.
Source organism: Saccharomyces cerevisiae
Assembly composition:
hetero trimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: DNA-binding protein RAP1 and Regulatory protein SIR3
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Multimeric state: hetero trimer
Accessible surface area: 16879.68 Å2
Buried surface area: 2720.93 Å2
Dissociation area: 519.29 Å2
Dissociation energy (ΔGdiss): -3 kcal/mol
Dissociation entropy (TΔSdiss): 11.71 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-139139

Macromolecules

DNA-binding protein RAP1
Chains: A, B
Length: 157 amino acids
Theoretical weight: 18.22 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P11938 (Residues: 672-827; Coverage: 19%)
Gene names: GRF1, N1310, RAP1, TUF1, YNL216W
Pfam: TRF2-interacting telomeric protein/Rap1 - C terminal domain
InterPro:
CATH:
DNA-binding protein RAP1 in PDB entry 3owt, assembly 1, front view.
DNA-binding protein RAP1 in PDB entry 3owt, assembly 1, side view.
DNA-binding protein RAP1 in PDB entry 3owt, assembly 1, top view.
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Regulatory protein SIR3
Chain: C
Length: 27 amino acids
Theoretical weight: 3.15 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P06701 (Residues: 456-481; Coverage: 3%)
Gene names: CMT1, L9753.10, MAR2, SIR3, STE8, YLR442C
Regulatory protein SIR3 in PDB entry 3owt, assembly 1, front view.
Regulatory protein SIR3 in PDB entry 3owt, assembly 1, side view.
Regulatory protein SIR3 in PDB entry 3owt, assembly 1, top view.
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