SMTL ID : 3p1n.1

Crystal structure of human 14-3-3 sigma in complex with TASK-3 peptide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

homo-dimer

Ligands

2 x LYS- ARG- ARG- LYS- SEP- VAL: 6-mer peptide from Potassium channel subfamily K member 9(Non-covalent)

LYS-ARG-ARG-LYS-SEP-VAL.1: 15 residues within 4Å: Chain A: R.60, R.64, K.126, R.133, Y.134, E.137, G.175, L.178, N.179, V.182, E.186, L.226, D.229, N.230, L.233 33 PLIP interactions: 33 interactions with chain A Hydrophobic interactions: A:L.178, A:L.226, A:L.226, A:L.226, A:D.229, A:L.233 Hydrogen bonds: A:R.60, A:R.133, A:E.137, A:E.137, A:N.179, A:N.179, A:N.179, A:N.230, A:N.230 Water bridges: A:K.53, A:K.53, A:K.53, A:R.60, A:R.60, A:R.60, A:R.60, A:R.60, A:R.64, A:E.137, A:E.186, A:E.186 Salt bridges: A:K.53, A:R.60, A:K.126, A:R.133, A:E.186, A:E.186 LYS-ARG-ARG-LYS-SEP-VAL.6: 15 residues within 4Å: Chain B: R.60, R.64, K.126, R.133, Y.134, E.137, G.175, L.178, N.179, V.182, E.186, L.226, D.229, N.230, L.233 34 PLIP interactions: 34 interactions with chain B Hydrophobic interactions: B:L.178, B:L.226, B:L.226, B:L.226, B:D.229, B:L.233 Hydrogen bonds: B:R.60, B:R.133, B:Y.134, B:E.137, B:N.179, B:N.179, B:D.229, B:N.230, B:N.230 Water bridges: B:K.53, B:K.53, B:K.53, B:R.60, B:R.60, B:R.60, B:R.60, B:R.60, B:R.64, B:E.137, B:E.186, B:E.186, B:E.186 Salt bridges: B:K.53, B:R.60, B:K.126, B:R.133, B:E.186, B:E.186

6 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 1 residues within 4Å: Chain A: E.165 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:E.165, H2O.5, H2O.6, H2O.7, H2O.10 MG.4: 1 residues within 4Å: Chain A: E.6 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.6, H2O.7, H2O.13 MG.5: 2 residues within 4Å: Chain A: E.39, E.114 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.39, A:E.39, A:E.114, H2O.11 MG.7: 1 residues within 4Å: Chain B: E.165 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:E.165, H2O.21, H2O.22, H2O.22, H2O.25 MG.9: 1 residues within 4Å: Chain B: E.6 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.6, H2O.23, H2O.29 MG.10: 2 residues within 4Å: Chain B: E.39, E.114 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.39, B:E.39, B:E.114, H2O.27

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 4 residues within 4Å: Chain A: E.87, Y.88, K.91 Chain B: K.13 Ligand excluded by PLIP CL.8: 4 residues within 4Å: Chain A: K.13 Chain B: E.87, Y.88, K.91 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

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

2011-10-12

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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