2ht1

X-ray diffraction
3.51Å resolution

The closed ring structure of the Rho transcription termination factor in complex with nucleic acid in the motor domains

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentadecamer (preferred)
PDBe Complex ID:
PDB-CPX-142785 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct RNA molecules
Macromolecules (3 distinct):
Transcription termination factor Rho Chains: A, B
Molecule details ›
Chains: A, B
Length: 433 amino acids
Theoretical weight: 48.49 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0AG30 (Residues: 1-411; Coverage: 98%)
Gene names: JW3756, b3783, nitA, psuA, rho, rnsC, sbaA, tsu
Sequence domains:
Structure domains:
5'-R(*UP*C)-3' Chains: J, K
Molecule details ›
Chains: J, K
Length: 2 nucleotides
Theoretical weight: 566 Da
Source organism: Escherichia coli
Expression system: Not provided
5'-R(*UP*CP*UP*CP*U)-3' Chain: M
Molecule details ›
Chain: M
Length: 5 nucleotides
Theoretical weight: 1.48 KDa
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: I432
Unit cell:
a: 257.686Å b: 257.686Å c: 257.686Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.286 0.294 0.328
Expression systems:
  • Escherichia coli
  • Not provided