2pqa

X-ray diffraction
2.5Å resolution

Crystal Structure of Full-length Human RPA 14/32 Heterodimer

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-147543 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Replication protein A 32 kDa subunit Chains: A, C
Molecule details ›
Chains: A, C
Length: 131 amino acids
Theoretical weight: 14.66 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P15927 (Residues: 42-172; Coverage: 49%)
Gene names: REPA2, RPA2, RPA32, RPA34
Structure domains: Nucleic acid-binding proteins
Replication protein A 14 kDa subunit Chains: B, D
Molecule details ›
Chains: B, D
Length: 142 amino acids
Theoretical weight: 16.12 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

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P65
Unit cell:
a: 63.377Å b: 63.377Å c: 272.641Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.231 0.228 0.28
Expression system: Escherichia coli BL21(DE3)