SMTL ID : 3p1r.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 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: 16 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 33 PLIP interactions: 33 interactions with chain A Hydrophobic interactions: A:L.179, A:L.227, A:L.227, A:D.230, A:L.234 Hydrogen bonds: A:R.61, A:R.134, A:E.138, 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:K.54, A:R.61, A:R.61, A:R.61, A:R.61, A:R.65, A:E.138, A:E.187, A:E.187 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.11: 16 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 34 PLIP interactions: 34 interactions with chain B Hydrophobic interactions: B:L.179, B:L.227, B:L.227, B:D.230, B:L.234 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:K.54, B:R.61, B:R.61, B:R.61, B:R.61, B:R.65, B:E.138, B:E.187, B:E.187, B:E.187 Salt bridges: B:K.54, B:K.54, B:R.61, B:K.127, B:R.134, B:E.187, B:E.187

8 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 1 residues within 4Å: Chain A: E.80 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.80, H2O.2, H2O.11 MG.3: 1 residues within 4Å: Chain A: E.7 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.7, H2O.1, H2O.5, H2O.5 MG.4: 3 residues within 4Å: Chain A: D.220, L.223, I.224 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.220, H2O.2 MG.10: 3 residues within 4Å: Chain A: Q.13 Chain B: K.82, E.85 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:K.82, B:E.85, B:E.85, H2O.11, H2O.27 MG.12: 1 residues within 4Å: Chain B: E.80 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.80, H2O.17, H2O.25 MG.13: 1 residues within 4Å: Chain B: E.7 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.7, H2O.16, H2O.19, H2O.19 MG.14: 3 residues within 4Å: Chain B: D.220, L.223, I.224 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.220, H2O.16 MG.20: 3 residues within 4Å: Chain A: K.82, E.85 Chain B: Q.13 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:K.82, A:E.85, A:E.85, H2O.13, H2O.25

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

CL.5: 4 residues within 4Å: Chain A: E.88, Y.89, K.92 Chain B: K.14 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain A: K.129, A.155 Ligand excluded by PLIP CL.7: 3 residues within 4Å: Chain A: R.23, Y.24, E.25 Ligand excluded by PLIP CL.8: 2 residues within 4Å: Chain A: T.233, T.236 Ligand excluded by PLIP CL.15: 4 residues within 4Å: Chain A: K.14 Chain B: E.88, Y.89, K.92 Ligand excluded by PLIP CL.16: 2 residues within 4Å: Chain B: K.129, A.155 Ligand excluded by PLIP CL.17: 3 residues within 4Å: Chain B: R.23, Y.24, E.25 Ligand excluded by PLIP CL.18: 2 residues within 4Å: Chain B: T.233, T.236 Ligand excluded by PLIP

2 x CA: CALCIUM ION(Non-covalent)

CA.9: 1 residues within 4Å: Chain A: E.193 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.193, H2O.9 CA.19: 1 residues within 4Å: Chain B: E.193 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.193, H2O.23

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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