SMTL ID : 3p1o.1

Crystal structure of human 14-3-3 sigma in complex with TASK-3 peptide and stabilisator Fusicoccin A

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 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: 17 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 Ligands: FSC.2 35 PLIP interactions: 35 interactions with chain A Hydrophobic interactions: A:L.178, 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:K.53, A:R.60, A:R.60, A:R.60, A:Y.134, A:Y.134, A:Y.134, A:E.137, A:E.186, A:D.229, A:D.229 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.9: 17 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 Ligands: FSC.10 37 PLIP interactions: 37 interactions with chain B Hydrophobic interactions: B:L.178, 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:K.53, B:K.53, B:K.53, B:K.53, B:R.60, B:R.60, B:R.60, B:Y.134, B:E.137, B:E.186, B:E.186, B:D.229, B:D.229 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 FSC: FUSICOCCIN(Non-covalent)

FSC.2: 13 residues within 4Å: Chain A: N.46, S.49, V.50, F.123, K.126, M.127, P.171, I.172, K.218, D.219, L.222, I.223 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:N.46, A:F.123, A:K.126, A:I.172, A:D.219, A:L.222, A:I.223, A:I.223 Hydrogen bonds: A:N.46, A:D.219 FSC.10: 13 residues within 4Å: Chain B: N.46, S.49, V.50, F.123, K.126, M.127, P.171, I.172, K.218, D.219, L.222, I.223 Ligands: LYS-ARG-ARG-LYS-SEP-VAL.9 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:N.46, B:F.123, B:K.126, B:I.172, B:D.219, B:L.222, B:I.223, B:I.223 Hydrogen bonds: B:D.219, B:D.219 Water bridges: B:N.46

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

CL.3: 3 residues within 4Å: Chain A: K.13 Chain B: E.87, Y.88 Ligand excluded by PLIP CL.11: 3 residues within 4Å: Chain A: E.87, Y.88 Chain B: K.13 Ligand excluded by PLIP

2 x CA: CALCIUM ION(Non-covalent)

CA.4: 2 residues within 4Å: Chain A: T.232, T.235 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.232, A:T.235, H2O.1, H2O.6 CA.12: 2 residues within 4Å: Chain B: T.232, T.235 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.232, B:T.235, H2O.9, H2O.14

8 x MG: MAGNESIUM ION(Non-covalent)

MG.5: 1 residues within 4Å: Chain A: E.6 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.6, H2O.2, H2O.4, H2O.4 MG.6: 3 residues within 4Å: Chain A: K.81, E.84 Chain B: Q.12 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:K.81, A:E.84, H2O.5, H2O.6 MG.7: 1 residues within 4Å: Chain A: E.93 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.93, H2O.6, H2O.8 MG.8: 1 residues within 4Å: Chain A: E.192 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.192, H2O.6 MG.13: 1 residues within 4Å: Chain B: E.6 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:E.6, H2O.10, H2O.12, H2O.12 MG.14: 3 residues within 4Å: Chain A: Q.12 Chain B: K.81, E.84 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:K.81, B:E.84, H2O.13, H2O.14 MG.15: 1 residues within 4Å: Chain B: E.93 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.93, H2O.14, H2O.16 MG.16: 1 residues within 4Å: Chain B: E.192 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.192, H2O.14

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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