3kui

X-ray diffraction
2.3Å resolution

Crystal structure of C-terminal domain of PABPC1 in complex with binding region of eRF3a

Released:
Source organism: Homo sapiens

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
Non-polymer only dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Polyadenylate-binding protein 1 Chain: A
Molecule details ›
Chain: A
Length: 88 amino acids
Theoretical weight: 9.42 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P11940 (Residues: 544-626; Coverage: 13%)
Gene names: PAB1, PABP1, PABPC1, PABPC2
Sequence domains: Poly-adenylate binding protein, unique domain
Structure domains: c-terminal domain of poly(a) binding protein
Eukaryotic peptide chain release factor GTP-binding subunit ERF3A Chain: B
Molecule details ›
Chain: B
Length: 15 amino acids
Theoretical weight: 1.74 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P15170 (Residues: 163-169; Coverage: 1%)
  • Best match: P15170-3 (Residues: 67-81)
Gene names: ERF3A, GSPT1

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P21212
Unit cell:
a: 37.432Å b: 63.631Å c: 32.226Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.248 0.247 0.255
Expression systems:
  • Escherichia coli
  • Not provided