› 3fc7

X-ray diffraction
2.65Å resolution

The crystal structure of a domain of HTR-like protein from Haloarcula marismortui ATCC 43049

Released:
DOI: 10.2210/pdb3fc7/pdb
PDB entry 3fc7 coloured by chain, front view.
PDB entry 3fc7 coloured by chain, side view.
PDB entry 3fc7 coloured by chain, top view.
Source organism: Haloarcula marismortui
Entry authors: Tan K, Hatzos C, Freeman L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

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
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178401 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
histidine kinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 125 amino acids
Theoretical weight: 13.59 KDa
Source organism: Haloarcula marismortui
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5V4P0 (Residues: 120-241; Coverage: 27%)
Gene names: E6P14_05315, htlD, rrnAC0487
Sequence domains: PAS fold
Structure domains: PAS domain

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P6122
Unit cell:
a: 55.183Å b: 55.183Å c: 249.917Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.206 0.202 0.274
Expression system: Escherichia coli

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