5m1k

X-ray diffraction
1.2Å resolution

Crystal structure of the large terminase nuclease from thermophilic phage G20c with bound Magnesium

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-103571 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Terminase, large subunit Chains: A, B
Molecule details ›
Chains: A, B
Length: 191 amino acids
Theoretical weight: 21.17 KDa
Source organism: Thermus phage G20c
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A1L4BKS3 (Residues: 257-443; Coverage: 39%)
Gene name: G20c_80
Sequence domains: Terminase RNaseH-like domain
Structure domains: Nucleotidyltransferase; domain 5

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: 43.807Å b: 54.057Å c: 69.95Å
α: 90° β: 91.94° γ: 90°
R-values:
R R work R free
0.184 0.183 0.209
Expression system: Escherichia coli