SMTL ID : 8g2p.1

Structure of Ternary Complex of cGAS with dsDNA and Bound ATP and GTP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.52 Å

Oligo State

homo-dimer

Ligands

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

ATP.1: 19 residues within 4Å: Chain A: T.54, G.55, S.56, K.62, E.68, D.70, R.221, L.222, S.223, S.225, E.228, K.259, C.276, S.277, Y.278, K.281, H.324 Ligands: GTP.2, MG.3 19 PLIP interactions: 19 interactions with chain A Hydrogen bonds: A:S.56, A:E.68, A:E.228, A:E.228, A:E.228, A:S.277, A:K.281 Water bridges: A:K.62, A:E.68, A:E.68, A:R.221, A:R.221, A:E.263, A:Y.278 Salt bridges: A:K.259, A:K.259 pi-Stacking: A:Y.278, A:Y.278 pi-Cation interactions: A:R.221 ATP.5: 18 residues within 4Å: Chain B: T.54, G.55, S.56, K.62, E.68, D.70, R.221, L.222, S.223, S.225, E.228, K.259, S.277, Y.278, K.281, H.324 Ligands: GTP.6, MG.7 22 PLIP interactions: 22 interactions with chain B Hydrogen bonds: B:S.56, B:S.56, B:E.68, B:R.221, B:E.228, B:S.277, B:K.281 Water bridges: B:Y.57, B:E.59, B:K.62, B:R.221, B:R.221, B:K.229, B:K.259, B:K.259, B:E.263, B:Y.278, B:Y.278 Salt bridges: B:K.259, B:K.259 pi-Stacking: B:Y.278, B:Y.278

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

GTP.2: 17 residues within 4Å: Chain A: T.54, E.68, D.70, M.72, K.145, P.146, G.147, S.148, P.149, A.150, N.164, I.166, V.205, R.221, S.223, S.225 Ligands: ATP.1 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:P.146, A:S.148, A:N.164, A:R.221, A:S.223, A:S.223, A:S.225, A:S.225 Water bridges: A:R.221 Salt bridges: A:R.221 GTP.6: 17 residues within 4Å: Chain B: T.54, D.70, M.72, K.145, P.146, G.147, S.148, P.149, A.150, N.164, I.166, V.205, K.207, R.221, S.223, S.225 Ligands: ATP.5 12 PLIP interactions: 12 interactions with chain B Hydrogen bonds: B:P.146, B:S.148, B:R.221, B:S.223, B:S.223, B:S.225, B:S.225 Water bridges: B:R.221 Salt bridges: B:K.207, B:K.207, B:K.207, B:R.221

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: S.56, E.68, D.70 Ligands: ATP.1 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.68, A:D.70, H2O.1 MG.7: 5 residues within 4Å: Chain B: G.55, S.56, E.68, D.70 Ligands: ATP.5 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.68, B:D.70, H2O.3

2 x ZN: ZINC ION(Non-covalent)

ZN.4: 5 residues within 4Å: Chain A: H.235, C.241, C.242, C.249, R.251 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.235, A:C.241, A:C.242, A:C.249 ZN.8: 5 residues within 4Å: Chain B: H.235, C.241, C.242, C.249, R.251 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.235, B:C.241, B:C.242, B:C.249

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wu, S. et al., Structure of Ternary Complex of cGAS with dsDNA and Bound ATP and GTP. To Be Published

Release Date

2024-06-19

Peptides

Cyclic GMP-AMP synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Cyclic GMP-AMP synthase

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