SMTL ID : 6ekp.1

Tryptophan Repressor TrpR from E.coli variant T44L T81M S88Y with Indole-3-acetic acid as ligand

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.46 Å

Oligo State

homo-dimer

Ligands

2 x IAC: 1H-INDOL-3-YLACETIC ACID(Non-covalent)

IAC.1: 11 residues within 4Å: Chain A: R.54, I.57, V.58, M.81, R.84, G.85, Y.88 Chain B: L.41, M.42, L.43, L.44 10 PLIP interactions: 8 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:R.54, A:I.57, A:Y.88, B:L.44 Hydrogen bonds: A:Y.88, A:Y.88, B:L.41 Water bridges: A:R.54 Salt bridges: A:R.84 pi-Stacking: A:Y.88 IAC.3: 11 residues within 4Å: Chain A: L.41, M.42, L.43, L.44 Chain B: R.54, I.57, V.58, M.81, R.84, G.85, Y.88 10 PLIP interactions: 8 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:R.54, B:I.57, B:Y.88, A:L.44 Hydrogen bonds: B:Y.88, B:Y.88, A:L.41 Water bridges: B:R.54 Salt bridges: B:R.84 pi-Stacking: B:Y.88

1 x P3G: 3,6,9,12,15-PENTAOXAHEPTADECANE(Non-covalent)

P3G.2: 12 residues within 4Å: Chain A: L.43, D.46, E.47, A.50, L.51, R.54 Chain B: L.43, D.46, E.47, A.50, L.51, R.54 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Herud-Sikimic, O. et al., A biosensor for the direct visualization of auxin. Nature (2021)

Release Date

2019-01-30

Peptides

Trp operon repressor: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Trp operon repressor