SMTL ID : 8g2q.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.37 Å

Oligo State

homo-dimer

Ligands

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

GTP.1: 16 residues within 4Å: Chain A: T.54, E.68, D.70, M.72, P.146, G.147, S.148, P.149, N.164, I.166, V.205, R.221, S.223, S.225, C.276 Ligands: GTP.2 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:T.54, A:T.54, A:E.68, A:R.221, A:R.221, A:S.223, A:S.223, A:S.225 GTP.2: 16 residues within 4Å: Chain A: G.55, S.56, K.62, E.68, D.70, R.221, L.222, S.225, E.228, K.259, S.277, Y.278, K.281, H.324 Ligands: GTP.1, MG.3 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:G.55, A:S.56, A:S.56, A:S.56, A:R.221, A:E.228, A:S.277, A:S.277, A:H.324 Water bridges: A:S.277, A:K.281 Salt bridges: A:K.62, A:K.259, A:K.259 pi-Stacking: A:Y.278, A:Y.278 pi-Cation interactions: A:R.221, A:Y.278 GTP.5: 15 residues within 4Å: Chain B: T.54, E.68, D.70, M.72, K.145, S.148, P.149, A.150, N.164, I.166, K.207, R.221, S.223, S.225 Ligands: GTP.6 14 PLIP interactions: 14 interactions with chain B Hydrogen bonds: B:T.54, B:E.68, B:S.148, B:R.221, B:R.221, B:S.223, B:S.223, B:S.225, B:S.225 Salt bridges: B:K.145, B:K.145, B:K.207, B:K.207, B:K.207 GTP.6: 16 residues within 4Å: Chain B: G.55, S.56, E.59, E.68, D.70, R.221, L.222, S.225, E.228, K.259, S.277, Y.278, K.281, H.324 Ligands: GTP.5, MG.7 17 PLIP interactions: 17 interactions with chain B Hydrogen bonds: B:G.55, B:S.56, B:S.56, B:S.56, B:R.221, B:E.228, B:S.277, B:K.281, B:K.281, B:H.324 Water bridges: B:Y.57 Salt bridges: B:K.259, B:K.259 pi-Stacking: B:Y.278, B:Y.278 pi-Cation interactions: B:R.221, B:Y.278

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 5 residues within 4Å: Chain A: S.56, Y.57, K.62, E.68 Ligands: GTP.2 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.68, H2O.1 MG.7: 3 residues within 4Å: Chain B: E.68, D.70 Ligands: GTP.6 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.68, B:D.70, H2O.4

2 x ZN: ZINC ION(Non-covalent)

ZN.4: 4 residues within 4Å: Chain A: H.235, C.241, C.242, C.249 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.235, A:C.241, A:C.242, A:C.249 ZN.8: 4 residues within 4Å: Chain B: H.235, C.241, C.242, C.249 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 mouse cGAS with dsDNA and Bound 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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