Involved in ionization of N3 of dUMP, leading to its activation
Thiosulfate dehydrogenase [quinone] large subunit
Proton acceptor; for processing activity
Schiff-base intermediate with substrate; via pyruvic acid
Proton acceptor; for FBP phosphatase activity
Proton donor/acceptor; for FBP aldolase activity
Schiff-base intermediate with DHAP; for FBP aldolase activity