› 1qkk

X-ray diffraction
1.7Å resolution

Crystal structure of the receiver domain and linker region of DctD from Sinorhizobium meliloti

Released:
DOI: 10.2210/pdb1qkk/pdb
PDB entry 1qkk coloured by chain, front view.
PDB entry 1qkk coloured by chain, side view.
PDB entry 1qkk coloured by chain, top view.
Source organism: Sinorhizobium meliloti
Primary publication:
A dimeric two-component receiver domain inhibits the sigma54-dependent ATPase in DctD.
Meyer MG, Park S, Zeringue L, Staley M, McKinstry M, Kaufman RI, Zhang H, Yan D, Yennawar N, Yennawar H, Farber GK, Nixon BT
FASEB J 15 1326-8 (2001)
PMID: 11344129

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-146678 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
C4-dicarboxylate transport transcriptional regulatory protein DctD Chain: A
Molecule details ›
Chain: A
Length: 155 amino acids
Theoretical weight: 16.82 KDa
Source organism: Sinorhizobium meliloti
Expression system: Escherichia coli
UniProt:
  • Canonical: P13632 (Residues: 2-145; Coverage: 31%)
Gene names: RB1525, SMb20613, dctD
Sequence domains: Response regulator receiver domain
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: I222
Unit cell:
a: 58.651Å b: 58.769Å c: 167.888Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.218 0.218 0.241
Expression system: Escherichia coli

Quick links

Citations

2 review citations

The role of bacterial enhancer binding proteins as specialized activators of σ54-dependent transcription.
Bush et al. (2012)
1 more

3 mentions without citation

Two crystal structures of Trichoderma reesei hydrophobin HFBI--the structure of a protein amphiphile with and without detergent interaction.
Hakanpää et al. (2006)
2 more