› 1xma

X-ray diffraction
2.3Å resolution

Structure of a transcriptional regulator from Clostridium thermocellum Cth-833

Released:
DOI: 10.2210/pdb1xma/pdb
PDB entry 1xma coloured by chain, front view.
PDB entry 1xma coloured by chain, side view.
PDB entry 1xma coloured by chain, top view.
Source organism: Acetivibrio thermocellus
Entry authors: Yang H, Chen L, Lee D, Habel J, Nguyen J, Chang S-H, Kataeva I, Xu H, Chang J, Zhao M, Horanyi P, Florence Q, Zhou W, Tempel W, Lin D, Praissman J, Zhang H, Arendall III WB, Richardson JS, Richardson DC, Ljungdahl L, Liu Z-J, Rose JP, Wang B-C, Southeast Collaboratory for Structural Genomics (SECSG)

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-107061 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Transcription regulator PadR N-terminal domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 145 amino acids
Theoretical weight: 16.78 KDa
Source organism: Acetivibrio thermocellus
Expression system: Escherichia coli
UniProt:
  • Canonical: A3DGR1 (Residues: 2-114; Coverage: 99%)
Gene name: Cthe_1921
Sequence domains: Transcriptional regulator PadR-like family
Structure domains: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

Ligands and Environments

2 bound ligands:
Ligand HG 4 x HG
Ligand UNX 13 x UNX
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P21
Unit cell:
a: 45.483Å b: 52.16Å c: 51.076Å
α: 90° β: 92.46° γ: 90°
R-values:
R R work R free
0.209 0.205 0.267
Expression system: Escherichia coli

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