X-ray diffraction
2Å resolution

Potassium bound structure of E. coli ExoIX in P21


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Flap endonuclease Xni Chain: A
Molecule details ›
Chain: A
Length: 251 amino acids
Theoretical weight: 28.2 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8X6R9 (Residues: 1-251; Coverage: 100%)
Gene names: ECs3658, Z4115, xni, ygdG
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: P21
Unit cell:
a: 53.472Å b: 38.275Å c: 59.75Å
α: 90° β: 107.95° γ: 90°
R R work R free
0.163 0.159 0.246
Expression system: Escherichia coli BL21(DE3)