4bpw

X-ray diffraction
3Å resolution

Crystal structure of human primase bound to UTP

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
DNA primase small subunit Chains: A, C
Molecule details ›
Chains: A, C
Length: 423 amino acids
Theoretical weight: 50.11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P49642 (Residues: 1-420; Coverage: 100%)
Gene name: PRIM1
Sequence domains: DNA primase small subunit
Structure domains: DNA primase, PRIM domain
DNA primase large subunit Chains: B, D
Molecule details ›
Chains: B, D
Length: 253 amino acids
Theoretical weight: 29.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P49643 (Residues: 1-253; Coverage: 50%)
Gene names: PRIM2, PRIM2A
Structure domains: Transcription Elongation Factor S-II; Chain A

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P21
Unit cell:
a: 116.394Å b: 69.438Å c: 127.087Å
α: 90° β: 104.9° γ: 90°
R-values:
R R work R free
0.217 0.215 0.253
Expression system: Escherichia coli BL21(DE3)