› 3hm4

X-ray diffraction
1.3Å resolution

CRYSTAL STRUCTURE OF A CHEMOTAXIS PROTEIN CHEX (DDE_0281) FROM DESULFOVIBRIO DESULFURICANS SUBSP. AT 1.30 A RESOLUTION

Released:
DOI: 10.2210/pdb3hm4/pdb
PDB entry 3hm4 coloured by chain, front view.
PDB entry 3hm4 coloured by chain, side view.
PDB entry 3hm4 coloured by chain, top view.
Source organism: Oleidesulfovibrio alaskensis G20
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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-174258 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Chemotaxis phosphatase CheX-like domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 156 amino acids
Theoretical weight: 16.57 KDa
Source organism: Oleidesulfovibrio alaskensis G20
Expression system: Escherichia coli
UniProt:
  • Canonical: Q316R4 (Residues: 1-155; Coverage: 100%)
Gene name: Dde_0281
Sequence domains: Chemotaxis phosphatase CheX
Structure domains: CheC-like

Ligands and Environments

2 bound ligands:
Ligand UNL 1 x UNL
Ligand GOL 1 x GOL
1 modified residue:
Ligand MSE 14 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P212121
Unit cell:
a: 42.362Å b: 73.999Å c: 83.338Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.139 0.138 0.165
Expression system: Escherichia coli

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