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X-ray diffraction
2.8Å resolution

Structure of the human Replication Protein A (RPA) trimerization core

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-147545 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Replication protein A 14 kDa subunit Chains: A, D
Molecule details ›
Chains: A, D
Length: 121 amino acids
Theoretical weight: 13.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P35244 (Residues: 1-121; Coverage: 100%)
Gene names: REPA3, RPA14, RPA3
Sequence domains: Replication factor A protein 3
Structure domains: Nucleic acid-binding proteins
Replication protein A 32 kDa subunit Chains: B, E
Molecule details ›
Chains: B, E
Length: 128 amino acids
Theoretical weight: 14.36 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P15927 (Residues: 44-171; Coverage: 47%)
Gene names: REPA2, RPA2, RPA32, RPA34
Structure domains: Nucleic acid-binding proteins
Replication protein A 70 kDa DNA-binding subunit, N-terminally processed Chains: C, F
Molecule details ›
Chains: C, F
Length: 181 amino acids
Theoretical weight: 21.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P27694 (Residues: 436-616; Coverage: 29%)
Gene names: REPA1, RPA1, RPA70
Sequence domains: Replication factor-A C terminal domain
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P3121
Unit cell:
a: 88.527Å b: 88.527Å c: 341.09Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.245 0.236 0.282
Expression system: Escherichia coli BL21(DE3)