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Human cyclic gmp-AMP synthase (cgas) in complex with gamp

Analyse Human cyclic gmp-AMP synthase (cgas) in complex with gamp in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4O67
Type
protein
Length
693 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cyclic gmp-AMP synthase
UniProt
Q8N884
Ligands
1SY, ZN
Pockets
9 · best druggability 0.80

Structure

x-ray diffraction · 2 distinct chains · 44% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACyclic gmp-AMP synthaseprotein34644% helix, 18% strandQ8N884
BCyclic gmp-AMP synthaseprotein34745% helix, 18% strandQ8N884

Ligands and binding sites

  • 1SY · cGAMP · ligand · 2 copies · chains A, B
  • ZN · Zinc ion · metal · 2 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

9 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110550.800.81711SY
27910.780.82551SY
31270.700.9126empty
44030.620.7730empty
51650.450.7622empty

Interfaces

1 interface between chains.

  • A–B · 423 Ų buried · 3 hydrogen bonds · protein-protein

Compared structures

  • 4O67 · Human cyclic GMP-AMP synthase (cGAS) in complex with GAMP · the same entry in another collection · chain A against A, TM-score 1.00
  • Q8N884 · AlphaFold monomer V2.0 prediction for cyclic gmp-AMP synthase (Q8N884) · a predicted model of the same protein · chain B against A, TM-score 0.97

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