SMTL ID : 3spr.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.99 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: FC7.2 32 PLIP interactions: 32 interactions with chain A Hydrophobic interactions: A:L.179, A:V.183, 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:Y.135, A:E.138, A:N.180, A:N.180, A:D.230, A:N.231, A:N.231 Water bridges: A:K.54, A:K.54, A:K.54, A:K.54, A:R.61, A:R.61, A:R.61, A:R.65 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.7: 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: FC7.8 31 PLIP interactions: 31 interactions with chain B Hydrophobic interactions: B:L.179, B:V.183, 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:E.138, B:N.180, B:N.180, B:N.180, B:N.231, B:N.231 Water bridges: B:K.54, B:K.54, B:K.54, B:R.61, B:R.61, B:R.61, B:R.65, B:E.138 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 FC7: Fusicoccin A-THF(Non-covalent)

FC7.2: 12 residues within 4Å: Chain A: N.47, S.50, V.51, F.124, K.127, M.128, P.172, I.173, G.176, L.223, I.224 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.1 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:N.47, A:V.51, A:F.124, A:K.127, A:P.172, A:I.173, A:L.223 Water bridges: A:N.47, A:N.47, A:N.47, A:D.131, A:H.171 FC7.8: 12 residues within 4Å: Chain B: N.47, S.50, V.51, F.124, K.127, M.128, P.172, I.173, G.176, L.223, I.224 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.7 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:N.47, B:V.51, B:F.124, B:K.127, B:P.172, B:I.173, B:L.223 Water bridges: B:N.47, B:N.47, B:N.47, B:K.127, B:H.171

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

CL.3: 4 residues within 4Å: Chain A: K.14 Chain B: E.88, Y.89, K.92 Ligand excluded by PLIP CL.9: 4 residues within 4Å: Chain A: E.88, Y.89, K.92 Chain B: K.14 Ligand excluded by PLIP

6 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 1 residues within 4Å: Chain A: E.166 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:E.166, H2O.1, H2O.5, H2O.6, H2O.6 MG.5: 3 residues within 4Å: Chain A: E.40, E.115, G.117 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.40, A:E.115, H2O.1, H2O.6, H2O.6 MG.6: 1 residues within 4Å: Chain B: K.32 No protein-ligand interaction detected (PLIP) MG.10: 1 residues within 4Å: Chain B: E.166 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:E.166, H2O.7, H2O.12, H2O.13, H2O.13 MG.11: 3 residues within 4Å: Chain B: E.40, E.115, G.117 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.40, B:E.115, H2O.7, H2O.13, H2O.13 MG.12: 1 residues within 4Å: Chain A: K.32 No protein-ligand interaction detected (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

2012-07-04

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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