CATH Classification

Domain Context

CATH Clusters

Superfamily Peptidase C15, pyroglutamyl peptidase I-like
Functional Family

Enzyme Information

3.4.19.3
Pyroglutamyl-peptidase I.
based on mapping to UniProt O58321
Release of an N-terminal pyroglutamyl group from a polypeptide, the second amino acid generally not being Pro.
-!- Removes 5-oxoproline from various penultimate amino acid residues except L-proline. -!- Inhibited by thiol-blocking reagents. -!- Belongs to peptidase family C15. -!- Formerly EC 3.4.11.8.

UniProtKB Entries (1)

O58321
PCP_PYRHO
Pyrococcus horikoshii OT3
Pyrrolidone-carboxylate peptidase

PDB Structure

PDB 1IU8
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
The X-ray crystal structure of pyrrolidone-carboxylate peptidase from hyperthermophilic archaea Pyrococcus horikoshii
Sokabe, M., Kawamura, T., Sakai, N., Yao, M., Watanabe, N., Tanaka, I.
J.STRUCT.FUNCT.GENOM.