SMTL ID : 3e3s.1

Structure of thaumatin with the magic triangle I3C

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.73 Å

Oligo State

monomer

Ligands

5 x I3C: 5-amino-2,4,6-triiodobenzene-1,3-dicarboxylic acid(Non-covalent)

I3C.1: 3 residues within 4Å: Chain A: R.82, P.83 Ligands: I3C.5 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:R.82 Hydrogen bonds: A:R.82 I3C.2: 2 residues within 4Å: Chain A: G.162 Ligands: I3C.4 No protein-ligand interaction detected (PLIP) I3C.3: 4 residues within 4Å: Chain A: G.20, D.21, K.78, R.79 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.21 Halogen bonds: A:G.20 I3C.4: 4 residues within 4Å: Chain A: G.165, P.166, R.171 Ligands: I3C.2 1 PLIP interactions: 1 interactions with chain A Water bridges: A:Y.183 I3C.5: 6 residues within 4Å: Chain A: K.49, F.80, G.81, L.87, K.106 Ligands: I3C.1 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.80 Hydrogen bonds: A:G.81 Water bridges: A:G.81 Salt bridges: A:K.49 pi-Cation interactions: A:K.106

1 x TLA: L(+)-TARTARIC ACID(Non-covalent)

TLA.6: 3 residues within 4Å: Chain A: R.29, E.35, S.36 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:R.29, A:R.29, A:E.35, A:E.35, A:S.36, A:S.36 Water bridges: A:S.36 Salt bridges: A:R.29

4 x K: POTASSIUM ION(Non-covalent)(Non-functional Binders)

K.7: 2 residues within 4Å: Chain A: R.171, R.175 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:R.171, H2O.9, H2O.10 K.8: 4 residues within 4Å: Chain A: D.113, S.115, G.123, V.124 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.113, H2O.9 K.9: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) K.10: 2 residues within 4Å: Chain A: F.181, P.188 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Beck, T. et al., A magic triangle for experimental phasing of macromolecules. Acta Crystallogr.,Sect.D (2008)

Release Date

2008-10-28

Peptides

Thaumatin I: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Thaumatin I

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