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ENZYME

ENZYME entry: EC 3.5.1.119

Accepted Name
Pup amidohydrolase
Alternative Name(s)
depupylase
depupylase/deamidase
DPUP
Reaction catalysed
[prokaryotic ubiquitin-like protein]-C-terminal-L-glutamine + H2O <=> [prokaryotic ubiquitin-like protein]-C-terminal-L-glutamate + NH4(+)
Comment(s)
  • The enzyme has been characterized from the bacterium Mycobacterium tuberculosis.
  • It catalyzes 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 catalyzed by EC 6.3.1.19.
  • Deamination requires ATP as cofactor but not its hydrolysis.
  • The enzyme also catalyzes the hydrolytic cleavage of the bond formed by the ligase, between an epsilon-amino group of a lysine residue of the target protein and the gamma-carboxylate of the C-terminal glutamate of the prokaryotic ubiquitin-like protein.
Cross-references
BRENDA3.5.1.119
EC2PDB3.5.1.119
ExplorEnz3.5.1.119
PRIAM enzyme-specific profiles3.5.1.119
KEGG Ligand Database for Enzyme Nomenclature3.5.1.119
IUBMB Enzyme Nomenclature3.5.1.119
IntEnz3.5.1.119
MEDLINEFind literature relating to 3.5.1.119
MetaCyc3.5.1.119
Rhea expert-curated reactions3.5.1.119
UniProtKB/Swiss-Prot
A0QZ49, DOP_MYCS2P9WNU8, DOP_MYCTOP9WNU9, DOP_MYCTU
Q53081, DOP_RHOER

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