SMTL ID : 3sp5.1 (1 other biounit)

Crystal structure of human 14-3-3 sigma C38V/N166H in complex with TASK-3 peptide and stabilizer Cotylenol

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 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: 18 residues within 4Å: Chain A: K.53, 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, W.234 Ligands: CX7.2 33 PLIP interactions: 33 interactions with chain A Hydrophobic interactions: A:L.178, A:V.182, A:L.226, A:L.226, A:D.229, A:L.233, A:W.234 Hydrogen bonds: A:K.53, A:R.60, A:R.133, A:E.137, A:N.179, A:N.179, A:N.179, A:N.230, A:N.230 Water bridges: A:K.53, A:R.60, A:R.60, A:R.60, A:R.60, A:R.64, A:R.64, A:Y.134, A:E.137, A:E.137 Salt bridges: A:K.53, A:K.53, A:R.60, A:K.126, A:R.133, A:E.186, A:E.186 LYS-ARG-ARG-LYS-SEP-VAL.5: 18 residues within 4Å: Chain B: K.53, 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, W.234 Ligands: CX7.6 34 PLIP interactions: 34 interactions with chain B Hydrophobic interactions: B:L.178, B:V.182, B:L.226, B:L.226, B:D.229, B:L.233, B:W.234 Hydrogen bonds: B:K.53, 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:R.60, B:R.60, B:R.60, B:R.60, B:R.64, B:R.64, B:Y.134, B:E.137, B:E.186 Salt bridges: B:K.53, B:K.53, B:R.60, B:K.126, B:R.133, B:E.186, B:E.186

2 x CX7: Cotylenol(Non-covalent)

CX7.2: 10 residues within 4Å: Chain A: N.46, S.49, V.50, F.123, K.126, M.127, P.171, I.172, I.223 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:N.46, A:V.50, A:F.123, A:K.126, A:I.172, A:I.223 Water bridges: A:N.46, A:N.46, A:N.46, A:N.46, A:K.53 CX7.6: 10 residues within 4Å: Chain B: N.46, S.49, V.50, F.123, K.126, M.127, P.171, I.172, I.223 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.5 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:N.46, B:V.50, B:F.123, B:K.126, B:I.172, B:I.223 Water bridges: B:N.46, B:N.46, B:N.46, B:N.46, B:K.53

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: E.39, E.114, G.116 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.39, A:E.114, H2O.1, H2O.3, H2O.9 MG.4: 1 residues within 4Å: Chain A: E.79 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.79, H2O.3, H2O.3, H2O.3 MG.7: 3 residues within 4Å: Chain B: E.39, E.114, G.116 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.39, B:E.114, H2O.13, H2O.15, H2O.21 MG.8: 1 residues within 4Å: Chain B: E.79 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.79, H2O.15, H2O.15, H2O.15

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

2016-05-04

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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