protein-N-terminal glutamine amidohydrolase activity
Catalysis of the reaction: N-terminal L-glutaminyl-[protein] + H2O = N-terminal L-glutamyl-[protein] + NH4+. This reaction is the deamidation of an N-terminal glutamine residue of a protein.
GO:0016811
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
is_a
GO:0140096
catalytic activity, acting on a protein
is_a
NtQ-amidase activity
exact
SPBC23E6.03c