7c0m

Electron Microscopy
3.9Å resolution

Human cGAS-nucleosome complex

Released:
Source organism: Homo sapiens
Related structures: EMD-30267

Function and Biology Details

Reaction catalysed:
(1a) ATP + GTP = pppG-P(2'-5')A + diphosphate
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero 22-mer (preferred)
Entry contents:
5 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (7 distinct):
Histone H3.1 Chains: A, E, a, e
Molecule details ›
Chains: A, E, a, e
Length: 139 amino acids
Theoretical weight: 15.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P68431 (Residues: 2-136; Coverage: 99%)
Gene names: H3C1, H3C10, H3C11, H3C12, H3C2, H3C3, H3C4, H3C6, H3C7, H3C8, H3FA, H3FB, H3FC HIST1H3C, H3FD, H3FF, H3FH, H3FI, H3FJ, H3FK, H3FL, HIST1H3A, HIST1H3B, HIST1H3D, HIST1H3E, HIST1H3F, HIST1H3G, HIST1H3H, HIST1H3I, HIST1H3J
Histone H4 Chains: B, F, b, f
Molecule details ›
Chains: B, F, b, f
Length: 106 amino acids
Theoretical weight: 11.68 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62805 (Residues: 2-103; Coverage: 99%)
Gene names: H4-16, H4/A, H4/B, H4/C, H4/D, H4/E, H4/G, H4/H, H4/I, H4/J, H4/K, H4/M, H4/N, H4/O, H4C1, H4C11, H4C12, H4C13, H4C14, H4C15, H4C2, H4C3, H4C4, H4C5, H4C6, H4C8, H4C9, H4F2, H4FA, H4FB, H4FC, H4FD, H4FE, H4FG, H4FH, H4FI, H4FJ, H4FK, H4FM, H4FN, H4FO, HIST1H4A, HIST1H4B, HIST1H4C, HIST1H4D, HIST1H4E, HIST1H4F, HIST1H4H, HIST1H4I, HIST1H4J, HIST1H4K, HIST1H4L, HIST2H4, HIST2H4A, HIST2H4B, HIST4H4
Sequence domains: Centromere kinetochore component CENP-T histone fold
Histone H2A type 1-B/E Chains: C, G, c, g
Molecule details ›
Chains: C, G, c, g
Length: 133 amino acids
Theoretical weight: 14.45 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P04908 (Residues: 2-130; Coverage: 99%)
Gene names: H2AC4, H2AC8, H2AFA, H2AFM, HIST1H2AB, HIST1H2AE
Sequence domains:
Histone H2B type 1-J Chains: D, H, d, h
Molecule details ›
Chains: D, H, d, h
Length: 129 amino acids
Theoretical weight: 14.22 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P06899 (Residues: 2-126; Coverage: 99%)
Gene names: H2BC11, H2BFR, HIST1H2BJ
Sequence domains: Core histone H2A/H2B/H3/H4
Cyclic GMP-AMP synthase Chains: K, k
Molecule details ›
Chains: K, k
Length: 380 amino acids
Theoretical weight: 44.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8N884 (Residues: 151-522; Coverage: 71%)
Gene names: C6orf150, CGAS, MB21D1
Sequence domains:
DNA (145-MER) Chains: I, i
Molecule details ›
Chains: I, i
Length: 145 nucleotides
Theoretical weight: 44.52 KDa
DNA (145-MER) Chains: J, j
Molecule details ›
Chains: J, j
Length: 145 nucleotides
Theoretical weight: 44.99 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.9Å
Relevant EMDB volumes: EMD-30267
Expression system: Escherichia coli