SMTL ID : 4fr3.1

Crystal structure of human 14-3-3 sigma in complex with TASK-3 peptide and stabilizer 16-O-Me-FC-H

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x LYS- ARG- ARG- LYS- SEP- VAL: TASK-3 peptide(Non-covalent)

LYS-ARG-ARG-LYS-SEP-VAL.1: 17 residues within 4Å: Chain A: K.53, R.60, R.64, K.125, R.132, Y.133, E.136, G.174, L.177, N.178, V.181, E.185, L.225, D.228, N.229, L.232 Ligands: 0V4.2 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:L.177, A:V.181, A:L.225, A:L.225, A:D.228, A:L.232 Hydrogen bonds: A:R.60, A:R.132, A:E.136, A:E.136, A:N.178, A:N.178, A:N.178, A:N.229, A:N.229 Water bridges: A:K.53, A:R.60, A:R.60 Salt bridges: A:K.53, A:K.53, A:R.60, A:K.125, A:R.132, A:E.185, A:E.185 LYS-ARG-ARG-LYS-SEP-VAL.5: 17 residues within 4Å: Chain B: K.53, R.60, R.64, K.125, R.132, Y.133, E.136, G.174, L.177, N.178, V.181, E.185, L.225, D.228, N.229, L.232 Ligands: 0V4.6 26 PLIP interactions: 26 interactions with chain B Hydrophobic interactions: B:L.177, B:V.181, B:L.225, B:L.225, B:D.228, B:L.232 Hydrogen bonds: B:R.60, B:R.132, B:Y.133, B:E.136, B:N.178, B:N.178, B:D.228, B:N.229, B:N.229 Water bridges: B:K.53, B:R.60, B:R.60, B:E.185 Salt bridges: B:K.53, B:K.53, B:R.60, B:K.125, B:R.132, B:E.185, B:E.185

2 x 0V4: (4R,5R,6R,6aS,9S,9aE,10aR)-5-hydroxy-9-(methoxymethyl)-6,10a-dimethyl-3-(propan-2-yl)-1,2,4,5,6,6a,7,8,9,10a-decahydrodicyclopenta[a,d][8]annulen-4-yl alpha-D-glucopyranoside(Non-covalent)

0V4.2: 11 residues within 4Å: Chain A: N.46, S.49, V.50, F.122, K.125, M.126, P.170, I.171, D.218, I.222 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:N.46, A:V.50, A:F.122, A:I.171 Water bridges: A:N.46, A:N.46, A:K.125, A:D.218, A:D.218 0V4.6: 11 residues within 4Å: Chain B: N.46, S.49, V.50, F.122, K.125, M.126, P.170, I.171, D.218, I.222 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.5 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:N.46, B:V.50, B:F.122, B:I.171 Hydrogen bonds: B:D.218 Water bridges: B:N.46, B:D.129, B:D.218, B:D.218

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: E.39, E.113, G.115 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.39, A:E.113, H2O.1, H2O.5, H2O.5 MG.4: 1 residues within 4Å: Chain A: E.6 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.6, H2O.1, H2O.1, H2O.5 MG.7: 3 residues within 4Å: Chain B: E.39, E.113, G.115 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.39, B:E.113, H2O.6, H2O.10, H2O.10 MG.8: 1 residues within 4Å: Chain B: E.6 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.6, H2O.6, H2O.6, H2O.10

Links

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Citation

Anders, C. et al., A semisynthetic fusicoccane stabilizes a protein-protein interaction and enhances the expression of k(+) channels at the cell surface. Chem.Biol. (2013)

Release Date

2013-05-08

Peptides

14-3-3 protein sigma: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

14-3-3 protein sigma