Reaction catalyzed by Pup amidohydrolase (3.5.1.119)

	[prokaryotic ubiquitin-like protein]-L-glutamine	+		H2O	=		[prokaryotic ubiquitin-like protein]-L-glutamate	+		NH3
	[prokaryotic ubiquitin-like protein]-L-glutamine	+		H2O	=		[prokaryotic ubiquitin-like protein]-L-glutamate	+		NH3