4yis

X-ray diffraction
2.89Å resolution

Crystal Structure of LAGLIDADG Meganuclease I-CpaMI Bound to Uncleaved DNA

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-118321 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Homing endonuclease LAGLIDADG domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 295 amino acids
Theoretical weight: 33.65 KDa
Source organism: Cryphonectria parasitica
Expression system: Escherichia coli
UniProt:
  • Canonical: O20960 (Residues: 122-416; Coverage: 71%)
Gene names: mtSrRNA I4, orf416
Sequence domains: LAGLIDADG endonuclease
Structure domains: Homing endonucleases
DNA (28-MER) Chains: C, E
Molecule details ›
Chains: C, E
Length: 28 nucleotides
Theoretical weight: 8.44 KDa
Source organism: synthetic construct
Expression system: Not provided
DNA (28-MER) Chains: D, F
Molecule details ›
Chains: D, F
Length: 28 nucleotides
Theoretical weight: 8.75 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P212121
Unit cell:
a: 75.869Å b: 91.799Å c: 139.636Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.22 0.217 0.274
Expression systems:
  • Escherichia coli
  • Not provided