SMTL ID : 6y7t.1 (2 other biounits)

Engineered conjugation of lysine-specific molecular tweezers with ExoS derived peptidic inhibitor enhance affinity towards target protein 14-3-3 through ditopic binding

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-2-mer

Ligands

1 x TWZ: ExoSTWZ molecular tweezer(Covalent)

TWZ.1: 6 residues within 4Å: Chain A: Q.1, L.4 Chain B: Y.218, K.219, D.220, L.223 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.218, B:Y.218, B:K.219, B:K.219, B:L.223, A:L.4 Salt bridges: B:K.219 pi-Cation interactions: B:K.219, B:K.219, B:K.219, B:K.219, B:K.219

3 x NA: SODIUM ION(Non-functional Binders)

NA.2: 4 residues within 4Å: Chain B: K.14 Chain C: E.88, Y.89, K.92 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:K.14, C:E.88 NA.3: 3 residues within 4Å: Chain B: E.88, Y.89 Chain C: K.14 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain B Hydrogen bonds: C:K.14, B:E.88 Water bridges: B:K.92 NA.4: 5 residues within 4Å: Chain C: R.8, A.34, V.35, G.38, E.39 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:R.8, C:G.38, C:E.39, C:E.39

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 4 residues within 4Å: Chain C: Q.98, D.102, D.144, I.148 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:D.144 Water bridges: C:Q.98

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guillory, X. et al., Supramolecular Enhancement of a Natural 14-3-3 Protein Ligand. J.Am.Chem.Soc. (2021)

Release Date

2021-03-31

Peptides

Exoenzyme S: A
14-3-3 protein sigma: BC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
F

C
P

Exoenzyme S

14-3-3 protein sigma

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