4ley

X-ray diffraction
2.5Å resolution

Structure of mouse cGAS bound to 18 bp DNA

Released:

Function and Biology Details

Reaction catalysed:
(1a) ATP + GTP = pppG-P(2'-5')A + diphosphate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-117785 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Cyclic GMP-AMP synthase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 366 amino acids
Theoretical weight: 42.98 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8C6L5 (Residues: 142-507; Coverage: 72%)
Gene names: Cgas, Mb21d1
Sequence domains:
Structure domains:
18 bp dsDNA Chains: E, F, G, H, I, J, K, L
Molecule details ›
Chains: E, F, G, H, I, J, K, L
Length: 18 nucleotides
Theoretical weight: 5.51 KDa
Source organism: Mus musculus
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21
Unit cell:
a: 78.377Å b: 145.895Å c: 100.963Å
α: 90° β: 90.07° γ: 90°
R-values:
R R work R free
0.161 0.161 0.191
Expression systems:
  • Escherichia coli
  • Not provided