› 6r26

X-ray diffraction
3.11Å resolution

The photosensory core module (PAS-GAF-PHY) of the bacterial phytochrome Agp1 (AtBphP1) locked in a Pr-like state

Released:
DOI: 10.2210/pdb6r26/pdb
PDB entry 6r26 coloured by chain, front view.
PDB entry 6r26 coloured by chain, side view.
PDB entry 6r26 coloured by chain, top view.
Source organism: Agrobacterium fabrum str. C58
Entry authors: Scheerer P, Michael N, Lamparter T, Krauss N

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181452 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
histidine kinase Chain: A
Molecule details ›
Chain: A
Length: 510 amino acids
Theoretical weight: 56.46 KDa
Source organism: Agrobacterium fabrum str. C58
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7CY45 (Residues: 2-495; Coverage: 67%)
Gene name: Atu1990
Sequence domains:

Ligands and Environments

2 bound ligands:
Ligand JQ2 1 x JQ2
Ligand CA 1 x CA
1 modified residue:
Ligand MSE 12 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: I422
Unit cell:
a: 174.445Å b: 174.445Å c: 79.067Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.219 0.216 0.276
Expression system: Escherichia coli

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