Robuta

https://pubmed.ncbi.nlm.nih.gov/23433303/ The ancestral activation promiscuity of ADP-glucose pyrophosphorylases from oxygenic photosynthetic... After gene duplication, OtaS seemed to have lost specificity for 3-PGA compared to FBP. This was physiologically and evolutionarily feasible because... ancestralactivationpromiscuity