PDBe 1trr

X-ray diffraction
2.4Å resolution

TANDEM BINDING IN CRYSTALS OF A TRP REPRESSOR/OPERATOR HALF-SITE COMPLEX

Released:

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Trp operon repressor Chains: A, B, D, E, G, H, J, K
Molecule details ›
Chains: A, B, D, E, G, H, J, K
Length: 107 amino acids
Theoretical weight: 12.24 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A881 (Residues: 2-108; Coverage: 99%)
Gene names: JW4356, b4393, rtrY, trpR
Sequence domains: Trp repressor protein
Structure domains: TrpR-like
DNA (5'-D(*AP*GP*CP*GP*TP*AP*CP*TP*AP*GP*TP*AP*CP*GP*CP*T)-3') Chains: C, F, I, L
Molecule details ›
Chains: C, F, I, L
Length: 16 nucleotides
Theoretical weight: 4.9 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: C2
Unit cell:
a: 112.34Å b: 90.16Å c: 58.65Å
α: 90° β: 113.92° γ: 90°
R-values:
R R work R free
0.241 0.241 not available
Expression system: Not provided