7cp0

X-ray diffraction
1.7Å resolution

Crystal Structure of double mutant Y115E Y117E human Secretory Glutaminyl Cyclase

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
L-glutaminyl-peptide = 5-oxoprolyl-peptide + NH(3)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-172570 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Glutaminyl-peptide cyclotransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 327 amino acids
Theoretical weight: 37.33 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q16769 (Residues: 35-361; Coverage: 98%)
Gene name: QPCT
Sequence domains: Peptidase family M28

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: C2
Unit cell:
a: 86.277Å b: 149.383Å c: 96.032Å
α: 90° β: 96.91° γ: 90°
R-values:
R R work R free
0.206 0.205 0.223
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'