SMTL ID : 6elb.1

Tryptophan Repressor TrpR from E.coli variant M42F T44L T81M N87G S88Y with Indole-3-acetic acid as ligand

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.44 Å

Oligo State

homo-dimer

Ligands

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

IAC.1: 10 residues within 4Å: Chain A: R.54, I.57, V.58, M.81, R.84, G.85, Y.88 Chain B: L.41, F.42, L.44 10 PLIP interactions: 2 interactions with chain B, 8 interactions with chain A Hydrophobic interactions: B:L.44, A:R.54, A:I.57, A:V.58, A:Y.88, A:Y.88 Hydrogen bonds: B:L.41, A:Y.88 Water bridges: A:R.54 Salt bridges: A:R.84 IAC.2: 11 residues within 4Å: Chain A: L.41, F.42, L.43, L.44 Chain B: R.54, I.57, V.58, M.81, R.84, G.85, Y.88 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:R.54, B:I.57, B:V.58, B:Y.88, A:L.44 Hydrogen bonds: B:Y.88, A:L.41 Salt bridges: B:R.84 pi-Stacking: B:Y.88

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

2019-02-06

Peptides

Trp operon repressor: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Trp operon repressor