X-ray diffraction
1.7Å resolution

Crystal structure of MID domain from hAGO2


Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage to 5'-phosphomonoester
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein argonaute-2 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 138 amino acids
Theoretical weight: 15.51 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q9UKV8 (Residues: 439-575; Coverage: 16%)
Gene names: AGO2, EIF2C2
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P1
Unit cell:
a: 40.8Å b: 47.851Å c: 66.846Å
α: 85.9° β: 72.84° γ: 82.86°
R R work R free
0.191 0.188 0.232
Expression system: Escherichia coli