› 3qta

X-ray diffraction
2Å resolution

Crystal structure of a CheC-like protein (rrnAC0528) from Haloarcula marismortui ATCC 43049 at 2.00 A resolution

Released:
DOI: 10.2210/pdb3qta/pdb
PDB entry 3qta coloured by chain, front view.
PDB entry 3qta coloured by chain, side view.
PDB entry 3qta coloured by chain, top view.
Source organism: Haloarcula marismortui ATCC 43049
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-178400 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chemotaxis phosphatase CheX-like domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 233 amino acids
Theoretical weight: 25.45 KDa
Source organism: Haloarcula marismortui ATCC 43049
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5V4K4 (Residues: 1-232; Coverage: 100%)
Gene names: E6P14_05485, cheC1, rrnAC0528
Sequence domains: Chemotaxis phosphatase CheX
Structure domains: CheC-like

Ligands and Environments

2 bound ligands:
Ligand CA 3 x CA
Ligand GOL 4 x GOL
1 modified residue:
Ligand MSE 14 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P41212
Unit cell:
a: 89.928Å b: 89.928Å c: 148.299Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.176 0.175 0.202
Expression system: Escherichia coli

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