SMTL ID : 6y7t.2 (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-2-1-mer

Ligands

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

NA.1: 2 residues within 4Å: Chain A: E.88 Chain C: K.14 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain C Hydrogen bonds: A:E.88, C:K.14 Water bridges: A:K.92, A:K.92 NA.4: 4 residues within 4Å: Chain A: K.14 Chain C: E.88, Y.89, K.92 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain C Hydrogen bonds: A:K.14, C:E.88

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain A: Q.98, D.102, L.136, D.144, I.148 1 PLIP interactions: 1 interactions with chain A Water bridges: A:Q.98

1 x TWZ: ExoSTWZ molecular tweezer(Covalent)

TWZ.3: 5 residues within 4Å: Chain A: Y.218, K.219, L.223 Chain B: Q.1, L.4 14 PLIP interactions: 13 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:Y.218, A:Y.218, A:K.219, A:K.219, A:K.219, A:K.219, A:L.223, B:L.4 Salt bridges: A:K.219 pi-Cation interactions: A:K.219, A:K.219, A:K.219, A:K.219, A:K.219

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

14-3-3 protein sigma: AC
Exoenzyme S: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
K

B
E

14-3-3 protein sigma

Exoenzyme S

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