› 6ejw

X-ray diffraction
1.99Å resolution

Tryptophan Repressor TrpR from E.coli wildtype with Indole-3-acetic acid as ligand

Released:
DOI: 10.2210/pdb6ejw/pdb
PDB 6ejw coloured by chain and viewed from the front.
PDB 6ejw coloured by chain and viewed from the side.
PDB 6ejw coloured by chain and viewed from the top.
Source organism: Escherichia coli
Entry authors: Stiel AC, Shanmugaratnam S, Herud-Sikimic O, Juergens G, Hocker B

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Trp operon repressor Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 116 amino acids
Theoretical weight: 13.44 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0A881 (Residues: 1-108; Coverage: 100%)
Gene names: JW4356, b4393, rtrY, trpR
Sequence domains: Trp repressor protein
Structure domains: TrpR-like

Ligands and Environments

1 bound ligand:
Ligand IAC 7 x IAC
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P43
Unit cell:
a: 81.31Å b: 81.31Å c: 72Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.194 0.243
Expression system: Escherichia coli BL21(DE3)

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