SMTL ID : 4k99.1

Structure of Ternary Complex of cGAS with dsDNA and Bound 5 -pppdG(2 ,5 )pdG

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.233, C.239, C.240, C.247 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.233, A:C.239, A:C.240, A:C.247

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: S.54, E.66, D.68 Ligands: MG.3, GH3.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.66, A:D.68, H2O.1 MG.3: 6 residues within 4Å: Chain A: E.66, D.68, D.162 Ligands: MG.2, GH3.4, GDO.5 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.66, A:D.68, A:D.162

1 x GH3: 3'-DEOXY-GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GH3.4: 12 residues within 4Å: Chain A: G.53, S.54, E.66, D.68, R.219, K.257, C.274, S.275, Y.276 Ligands: MG.2, MG.3, GDO.5 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:S.54, A:S.54, A:S.54, A:R.219, A:R.219, A:S.275, A:Y.276 Water bridges: A:S.54, A:Y.55, A:S.223, A:E.226, A:K.257, A:K.257, A:E.261, A:Y.276 Salt bridges: A:K.257, A:K.257 pi-Stacking: A:Y.276

1 x GDO: 3'-deoxy-guanosine 5'-monophosphate(Non-covalent)

GDO.5: 12 residues within 4Å: Chain A: T.52, D.68, M.70, P.147, D.162, I.164, K.205, R.219, S.221, S.223 Ligands: MG.3, GH3.4 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:T.52, A:D.68, A:D.162, A:R.219, A:S.221, A:S.221, A:S.223, A:S.223 Water bridges: A:K.205, A:R.219, A:F.222 Salt bridges: A:R.219

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gao, P. et al., Cyclic [G(2',5')pA(3',5')p] is the metazoan second messenger produced by DNA-activated cyclic GMP-AMP synthase. Cell(Cambridge,Mass.) (2013)

Release Date

2013-05-15

Peptides

Cyclic GMP-AMP synthase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cyclic GMP-AMP synthase

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