2gxb

X-ray diffraction
2.25Å resolution

Crystal Structure of The Za Domain bound to Z-RNA

Released:

Function and Biology Details

Reaction catalysed:
Adenine in double-stranded RNA + H(2)O = hypoxanthine in double-stranded RNA + NH(3)
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-157287 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Double-stranded RNA-specific adenosine deaminase Chains: A, B
Molecule details ›
Chains: A, B
Length: 66 amino acids
Theoretical weight: 7.32 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P55265 (Residues: 140-202; Coverage: 5%)
Gene names: ADAR, ADAR1, DSRAD, G1P1, IFI4
Sequence domains: Adenosine deaminase z-alpha domain
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
5'-R(P*(DU)P*CP*GP*CP*GP*CP*G)-3' Chains: E, F
Molecule details ›
Chains: E, F
Length: 7 nucleotides
Theoretical weight: 2.2 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2221
Unit cell:
a: 73.603Å b: 92.776Å c: 50.229Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.199 0.194 0.244
Expression systems:
  • Escherichia coli BL21
  • Not provided