This protein plays a role in synthesis of starch. It catalyzes the synthesis of the activated glycosyl donor, ADP- glucose from Glc-1-P and ATP. Glucose-1-phosphate adenylyltransferase large subunit (Fragment) GVLILSGDHLYRMDYMDFVQSHRQRDAGISICCLPIDGSRASDFGLMKIDDTGRVISFSEKPRGADLKEMEEAEKKPYIASMGVYIFKKEILLNLLRWRFPTANDFGSEIIPAAAREINVKAYLFNDYWEDIGTIKSFFEANLALAEQPSKFSFYDASKPMYTSRRNLPPSMISGSKITDSIISHGCFLDKCRVEHSVVGIRSRIGSNVHLKDTVMLGADFYETDMERGDQLAEGKVPIGIGENTSIQNCIIDKNARIGKNVTIANAEGVQEADRASEGFHIRSGITVVLKNSVIADGLVI AGA.1 ADP-glucose pyrophosphorylase Alpha-D-glucose-1-phosphate adenyl transferase 301 GLGL1_WHEAT AGPase S ADP-glucose synthase