X-ray diffraction
2.85Å resolution

Crystal structure of P. aeruginosa bacteriophytochrome PaBphP photosensory core domain mutant Q188L

Source organism: Pseudomonas aeruginosa
Primary publication:
Conformational differences between the Pfr and Pr states in Pseudomonas aeruginosa bacteriophytochrome.
Proc. Natl. Acad. Sci. U.S.A. 106 15639-44 (2009)
PMID: 19720999

Function and Biology Details

Reaction catalysed:
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Bacteriophytochrome Chains: A, B
Molecule details ›
Chains: A, B
Length: 505 amino acids
Theoretical weight: 56.81 KDa
Source organism: Pseudomonas aeruginosa
Expression system: Escherichia coli
  • Canonical: Q9HWR3 (Residues: 1-497; Coverage: 68%)
Gene names: PA4117, bphP
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-ID-B
Spacegroup: P65
Unit cell:
a: 109.786Å b: 109.786Å c: 189.113Å
α: 90° β: 90° γ: 120°
R R work R free
0.232 0.229 0.298
Expression system: Escherichia coli