1chd

X-ray diffraction
1.75Å resolution

Function and Biology Details

Reactions catalysed:
Protein L-glutamate O(5)-methyl ester + H(2)O = protein L-glutamate + methanol
Protein L-glutamine + H(2)O = protein L-glutamate + NH(3)
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-137333 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Protein-glutamate methylesterase/protein-glutamine glutaminase Chain: A
Molecule details ›
Chain: A
Length: 203 amino acids
Theoretical weight: 21.46 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: P04042 (Residues: 147-349; Coverage: 58%)
Gene names: STM1917, cheB
Sequence domains: CheB methylesterase
Structure domains: Methylesterase CheB, C-terminal domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3221
Unit cell:
a: 63.38Å b: 63.38Å c: 87.01Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.182 not available 0.23
Expression system: Escherichia coli