SMTL ID : 7buj.1

mcGAS bound with pppGpG

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.13 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.318, C.324, C.325, C.332 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.318, A:C.324, A:C.325, A:C.332 ZN.6: 4 residues within 4Å: Chain B: H.318, C.324, C.325, C.332 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.318, B:C.324, B:C.325, B:C.332

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

GTP.2: 14 residues within 4Å: Chain A: D.153, M.155, K.228, S.231, P.232, D.247, I.249, K.290, R.304, S.306, S.308 Ligands: MN.3, MN.4, 5GP.5 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:D.247, A:R.304, A:R.304, A:S.306, A:S.308, A:S.308, A:S.308 Water bridges: A:K.293 Salt bridges: A:D.153, A:K.228, A:K.290, A:K.290 GTP.7: 14 residues within 4Å: Chain B: D.153, M.155, S.231, P.232, D.247, I.249, K.290, K.293, R.304, S.306, S.308 Ligands: MN.8, MN.9, 5GP.10 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:D.247, B:R.304, B:R.304, B:S.306, B:S.308, B:S.308, B:S.308 Salt bridges: B:D.153, B:K.290, B:K.293

4 x MN: MANGANESE (II) ION(Non-covalent)(Non-functional Binders)

MN.3: 4 residues within 4Å: Chain A: K.228, S.231 Ligands: GTP.2, MN.4 No protein-ligand interaction detected (PLIP) MN.4: 2 residues within 4Å: Ligands: GTP.2, MN.3 No protein-ligand interaction detected (PLIP) MN.8: 3 residues within 4Å: Chain B: S.231 Ligands: GTP.7, MN.9 No protein-ligand interaction detected (PLIP) MN.9: 2 residues within 4Å: Ligands: GTP.7, MN.8 No protein-ligand interaction detected (PLIP)

2 x 5GP: GUANOSINE-5'-MONOPHOSPHATE(Non-covalent)

5GP.5: 10 residues within 4Å: Chain A: K.290, R.304, L.305, C.359, S.360, Y.361, H.407, F.413, L.415 Ligands: GTP.2 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:R.304, A:R.304, A:Y.361 Water bridges: A:K.290, A:K.293, A:S.308, A:E.311, A:E.311, A:S.360, A:H.407 Salt bridges: A:E.311 pi-Stacking: A:Y.361 pi-Cation interactions: A:R.304, A:R.304, A:Y.361 5GP.10: 9 residues within 4Å: Chain B: K.290, R.304, L.305, C.359, S.360, Y.361, H.407, F.413 Ligands: GTP.7 15 PLIP interactions: 15 interactions with chain B Hydrogen bonds: B:K.290, B:R.304, B:R.304, B:S.360, B:Y.361 Water bridges: B:F.307, B:S.308, B:E.311, B:F.358, B:Y.361 Salt bridges: B:E.311 pi-Stacking: B:Y.361 pi-Cation interactions: B:R.304, B:R.304, B:Y.361

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhao, Z. et al., Mn2+Directly Activates cGAS and Structural Analysis Suggests Mn2+Induces a Noncanonical Catalytic Synthesis of 2'3'-cGAMP. Cell Rep (2020)

Release Date

2020-09-02

Peptides

Cyclic GMP-AMP synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cyclic GMP-AMP synthase