SMTL ID : 4kb6.1

Structure of porcine cyclic GMP AMP synthase (CGAS) in complex with DNA, ATP and GTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.08 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.236, C.242, C.243, C.250 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.236, A:C.242, A:C.243, A:C.250

1 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.2: 15 residues within 4Å: Chain A: T.55, Q.69, N.71, M.73, G.148, S.149, P.150, A.151, D.165, I.167, K.208, R.222, S.224, S.226 Ligands: ATP.3 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:T.55, A:T.55, A:N.71, A:D.165, A:R.222, A:R.222, A:S.224, A:S.226, A:S.226 Salt bridges: A:K.208, A:K.208

1 x ATP: ADENOSINE-5'-TRIPHOSPHATE(Non-covalent)

ATP.3: 15 residues within 4Å: Chain A: G.56, S.57, E.60, K.63, Q.69, N.71, R.222, S.226, E.229, K.260, S.281, Y.282, K.285 Ligands: GTP.2, MG.4 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:S.57, A:S.57, A:E.60, A:E.60, A:Q.69, A:Q.69, A:R.222, A:R.222, A:S.226, A:E.229, A:E.229, A:S.281, A:K.285 Salt bridges: A:K.63, A:K.260, A:K.260 pi-Stacking: A:Y.282, A:Y.282

1 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain A: S.57, Q.69, N.71 Ligands: ATP.3 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:S.57

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Civril, F. et al., Structural mechanism of cytosolic DNA sensing by cGAS. Nature (2013)

Release Date

2013-06-05

Peptides

Uncharacterized protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Uncharacterized protein