... succinate; UMP, uridine 5'-monophosphate KZ Competing interests Methods The model to describe the reaction catalyzed by adenylosuccinate synthetase was developed using a random biochemical system ... two binding sites for Mg2+ Therefore, this model may not be claimed as an absolutely accurate description of the real molecular events unfolding in the reaction being discussed Looking at the model ... obtain the proposed model Abbreviations KY AdSS, adenylosuccinate synthetase; AMP, adenosine 5'monophosphate; ASP, aspartate; ASUC, adenylosuccinate; CMP, cytidine-5'-monophosphate; dAMP, deoxyadenylic...