SMTL ID : 7b9m.1

Cys-45-tethered stabilizer 3 of 14-3-3(sigma)/ERa PPI

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x PHE- PRO- ALA- TPO- VAL: Estrogen receptor(Non-covalent)

PHE-PRO-ALA-TPO-VAL.1: 15 residues within 4Å: Chain A: C.50, K.54, R.61, R.65, K.127, R.134, Y.135, G.176, L.179, N.180, V.183, L.227, N.231, W.235 Ligands: T4W.4 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:L.179, A:V.183, A:L.227, A:L.227, A:W.235 Hydrogen bonds: A:K.54, A:N.180, A:N.180, A:N.180, A:N.231, A:N.231 Water bridges: A:R.61, A:R.61, A:R.61, A:R.61, A:R.61, A:Y.135, A:Y.135 Salt bridges: A:K.54, A:K.54, A:R.61, A:K.127, A:R.134 PHE-PRO-ALA-TPO-VAL.5: 15 residues within 4Å: Chain B: C.50, K.54, R.61, R.65, K.127, R.134, Y.135, G.176, L.179, N.180, V.183, L.227, N.231, W.235 Ligands: T4W.8 23 PLIP interactions: 23 interactions with chain B Hydrophobic interactions: B:L.179, B:V.183, B:L.227, B:L.227, B:W.235 Hydrogen bonds: B:K.54, B:Y.135, B:N.180, B:N.180, B:N.231, B:N.231 Water bridges: B:K.54, B:R.61, B:R.61, B:R.61, B:R.61, B:R.61, B:Y.135 Salt bridges: B:K.54, B:K.54, B:R.61, B:K.127, B:R.134

4 x MG: MAGNESIUM ION(Non-functional Binders)(Non-covalent)

MG.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.3: 2 residues within 4Å: Chain A: E.91, E.94 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.91, A:E.91, A:E.94, H2O.3, H2O.10 MG.6: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) MG.7: 2 residues within 4Å: Chain B: E.91, E.94 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.91, B:E.91, B:E.94, H2O.18, H2O.25

2 x T4W: 2-(2-cyanophenyl)sulfanyl-~{N}-(2-sulfanylethyl)benzamide(Non-covalent)

T4W.4: 12 residues within 4Å: Chain A: N.47, C.50, V.51, K.54, F.124, K.127, P.172, I.173, G.176, L.223, I.224 Ligands: PHE-PRO-ALA-TPO-VAL.1 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.124, A:F.124, A:K.127, A:P.172, A:I.224 T4W.8: 12 residues within 4Å: Chain B: N.47, C.50, V.51, K.54, F.124, K.127, P.172, I.173, G.176, L.223, I.224 Ligands: PHE-PRO-ALA-TPO-VAL.5 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:F.124, B:F.124, B:K.127, B:P.172, B:I.224

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sijbesma, E. et al., Exploration of a 14-3-3 PPI Pocket by Covalent Fragments as Stabilizers. Acs Med.Chem.Lett. (2021)

Release Date

2021-07-07

Peptides

14-3-3 protein sigma: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

14-3-3 protein sigma

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