SMTL ID : 3smk.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 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.54, R.61, R.65, K.127, R.134, Y.135, E.138, G.176, L.179, N.180, V.183, E.187, L.227, D.230, N.231, L.234, W.235 Ligands: CW7.2 30 PLIP interactions: 30 interactions with chain A Hydrophobic interactions: A:L.179, A:L.227, A:L.227, A:L.227, A:D.230, A:L.234, A:W.235 Hydrogen bonds: A:R.61, A:R.134, A:E.138, A:N.180, A:N.180, A:N.180, A:N.231, A:N.231 Water bridges: A:K.54, A:K.54, A:K.54, A:E.138, A:E.138, A:E.187, A:D.230, A:D.230 Salt bridges: A:K.54, A:K.54, A:R.61, A:K.127, A:R.134, A:E.187, A:E.187 LYS-ARG-ARG-LYS-SEP-VAL.4: 18 residues within 4Å: Chain B: K.54, R.61, R.65, K.127, R.134, Y.135, E.138, G.176, L.179, N.180, V.183, E.187, L.227, D.230, N.231, L.234, W.235 Ligands: CW7.5 30 PLIP interactions: 30 interactions with chain B Hydrophobic interactions: B:L.179, B:L.227, B:L.227, B:L.227, B:D.230, B:L.234, B:W.235 Hydrogen bonds: B:R.61, B:R.134, B:Y.135, B:E.138, B:N.180, B:N.180, B:D.230, B:N.231, B:N.231 Water bridges: B:K.54, B:K.54, B:K.54, B:E.138, B:E.187, B:D.230, B:D.230 Salt bridges: B:K.54, B:K.54, B:R.61, B:K.127, B:R.134, B:E.187, B:E.187

2 x CW7: Cotylenin A(Non-covalent)

CW7.2: 13 residues within 4Å: Chain A: N.47, L.48, S.50, V.51, F.124, K.127, M.128, P.172, I.173, D.220, L.223, I.224 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:N.47, A:K.127, A:I.173, A:D.220, A:L.223, A:I.224 Hydrogen bonds: A:D.220 Water bridges: A:N.47, A:N.47, A:N.47, A:N.47 CW7.5: 13 residues within 4Å: Chain B: N.47, L.48, S.50, V.51, F.124, K.127, M.128, P.172, I.173, D.220, L.223, I.224 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.4 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:N.47, B:K.127, B:I.173, B:D.220, B:L.223, B:I.224 Water bridges: B:N.47, B:N.47, B:N.47, B:N.47

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: E.36, H.111 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.111, H2O.1 MG.6: 2 residues within 4Å: Chain B: E.36, H.111 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.111, H2O.4

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

2012-07-11

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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