... acceptors instead of glycine, suchas l-alanine, b-alanine, c-aminobutyric acid, ethanolamine,taurine, l-lysine, a- amino-oxyacetic acid and l-norvaline, by measuring the amount of l-ornithine generated, ... substratespecificity that differs from that of the eukaryotic l-arginine:glycineamidinotransferases.AbbreviationsAGAT, humanL-arginine:glycine amidinotransferase; AmtA, L-arginine:lysine amidinotransferase; ... c-guanid-inobutyric acid and b-guanidinoproprionic acid weretested as amidino group donors. l-Alanine, b-alanine,c-aminobutyric acid, ethanolamine, taurine, l-lysine, a- amino-oxyacetic acid and...