SMTL ID : 9c8t.1

Crystal Structure of human cyclic GMP-AMP synthase in complex with AMPPNP and compound 2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.47 Å

Oligo State

monomer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 6 residues within 4Å: Chain A: E.70, D.72, D.164 Ligands: MG.2, ANP.4, JUJ.6 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.70, A:D.72, A:D.164 MG.2: 5 residues within 4Å: Chain A: S.58, E.70, D.72 Ligands: MG.1, ANP.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.70, A:D.72, H2O.3

1 x ZN: ZINC ION(Non-covalent)

ZN.3: 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

1 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.4: 15 residues within 4Å: Chain A: G.57, S.58, K.64, E.70, D.72, R.221, S.225, E.228, K.259, S.280, Y.281, K.284 Ligands: MG.1, MG.2, JUJ.6 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:S.58, A:S.58, A:S.58, A:S.58, A:E.70, A:E.228, A:E.228, A:K.259, A:S.280 Water bridges: A:Y.59, A:Y.59, A:E.70, A:E.70, A:R.221, A:R.221, A:S.279, A:S.279, A:Y.281 pi-Stacking: A:Y.281, A:Y.281

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 4 residues within 4Å: Chain A: L.19, I.24, Y.59, H.62 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.59 Water bridges: A:K.64

1 x JUJ: 1-[9-(6-aminopyridin-3-yl)-6,7-dichloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl]-2-hydroxyethan-1-one(Non-covalent)

JUJ.6: 17 residues within 4Å: Chain A: T.56, E.70, D.72, V.73, M.74, S.150, P.151, D.164, T.166, V.205, K.207, R.221, L.222, S.223, S.225 Ligands: MG.1, ANP.4 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:P.151, A:V.205 Hydrogen bonds: A:T.56, A:T.56, A:D.164, A:T.166 Water bridges: A:E.70 Halogen bonds: A:L.222

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Skeldon, A.M. et al., Structural insight into the cGAS active site explains differences between therapeutically relevant species. Commun Chem (2025)

Release Date

2025-04-02

Peptides

Cyclic GMP-AMP synthase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cyclic GMP-AMP synthase

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