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Information on EC 3.5.1.119 - Pup amidohydrolase

for references in articles please use BRENDA:EC3.5.1.119

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IUBMB Comments

The enzyme has been characterized from the bacterium Mycobacterium tuberculosis. It catalyses the hydrolysis of the amido group of the C-terminal glutamine of prokaryotic ubiquitin-like protein (Pup), thus activating it for ligation to target proteins, a process catalysed by EC 6.3.1.19, prokaryotic ubiquitin-like protein ligase. The reaction requires ATP as cofactor but not its hydrolysis. The enzyme also catalyses the hydrolytic cleavage of the bond formed by the ligase, between an ε-amino group of a lysine residue of the target protein and the γ-carboxylate of the C-terminal glutamate of the prokaryotic ubiquitin-like protein.

The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Reaction Schemes
[prokaryotic ubiquitin-like protein]-L-glutamine
+
=
[prokaryotic ubiquitin-like protein]-L-glutamate
+

Synonyms
depupylase, depupylase dop, deamidase of pup, depupylase/deamidase, pup deamidase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
[prokaryotic ubiquitin-like protein]-L-glutamine + H2O = [prokaryotic ubiquitin-like protein]-L-glutamate + NH3
show the reaction diagram
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-
-
-
PATHWAY SOURCE
PATHWAYS
MetaCyc
protein Pupylation and dePupylation
Highest Expressing Human Cell Lines
Cell Line Links Gene Links