CATH Classification

Domain Context

CATH Clusters

Superfamily Peptidase C15, pyroglutamyl peptidase I-like
Functional Family Pyrrolidone-carboxylate peptidase

Enzyme Information

3.4.19.3
Pyroglutamyl-peptidase I.
based on mapping to UniProt Q9RX25
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)

Q9RX25
PCP_DEIRA
Deinococcus radiodurans R1
Pyrrolidone-carboxylate peptidase

PDB Structure

PDB 5Z48
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structures of pyrrolidone-carboxylate peptidase I from Deinococcus radiodurans reveal the mechanism of L-pyroglutamate recognition.
Agrawal, R., Singh, R., Kumar, A., Kumar, A., Makde, R.D.
Acta Crystallogr D Struct Biol