2dbu

X-ray diffraction
1.95Å resolution

Crystal Structure of Gamma-glutamyltranspeptidase from Escherichia coli

Released:

Function and Biology Details

Reactions catalysed:
A (5-L-glutamyl)-peptide + an amino acid = a peptide + a 5-L-glutamyl amino acid
A glutathione-S-conjugate + H(2)O = an (L-cysteinylglycine)-S-conjugate + L-glutamate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-148481 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Glutathione hydrolase large chain Chains: A, C
Molecule details ›
Chains: A, C
Length: 366 amino acids
Theoretical weight: 39.83 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P18956 (Residues: 25-390; Coverage: 66%)
Gene names: JW3412, b3447, ggt
Sequence domains: Gamma-glutamyltranspeptidase
Structure domains: Serum Albumin; Chain A, Domain 1
Glutathione hydrolase small chain Chains: B, D
Molecule details ›
Chains: B, D
Length: 190 amino acids
Theoretical weight: 20.26 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P18956 (Residues: 391-580; Coverage: 34%)
Gene names: JW3412, b3447, ggt
Sequence domains: Gamma-glutamyltranspeptidase
Structure domains: Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P212121
Unit cell:
a: 78.7Å b: 126.9Å c: 128.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.207 0.231
Expression system: Escherichia coli