SMTL ID : 6xnp.1

Crystal Structure of Human STING CTD complex with SR-717

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.77 Å

Oligo State

homo-dimer

Ligands

2 x V67: 4,5-difluoro-2-{[6-(1H-imidazol-1-yl)pyridazine-3-carbonyl]amino}benzoic acid(Non-covalent)

V67.1: 16 residues within 4Å: Chain A: S.10, Y.11, G.14, Y.15, R.80, R.86, Y.88, S.89, N.90, E.108, T.111, P.112 Chain B: R.86, T.111, P.112 Ligands: V67.3 10 PLIP interactions: 3 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:R.86, B:R.86, B:T.111, A:R.86, A:S.89 Water bridges: A:Y.88, A:Y.88 Salt bridges: A:R.80, A:R.86 pi-Stacking: A:Y.15 V67.3: 15 residues within 4Å: Chain A: I.83, R.86, T.111, P.112 Chain B: S.10, Y.11, G.14, Y.15, R.86, Y.88, S.89, N.90, E.108, T.111 Ligands: V67.1 11 PLIP interactions: 8 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:T.111 Hydrogen bonds: B:R.86, B:S.89, A:R.86, A:R.86 Water bridges: B:G.14, B:R.86 Salt bridges: B:R.86 pi-Stacking: B:Y.15 Halogen bonds: B:S.10 pi-Cation interactions: A:R.86

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 6 residues within 4Å: Chain A: Y.30, Y.34, D.71, K.72, L.73, P.74 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.72 GOL.5: 4 residues within 4Å: Chain B: L.147, A.148, S.153, Q.154 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:A.148, B:S.153 Water bridges: B:Q.154

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.4: 3 residues within 4Å: Chain B: R.45, N.155, E.184 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.45, B:N.155, B:E.184 Water bridges: B:E.184, B:E.184

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chin, E.N. et al., Antitumor activity of a systemic STING-activating non-nucleotide cGAMP mimetic. Science (2020)

Release Date

2020-08-26

Peptides

Stimulator of interferon protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Stimulator of interferon protein

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