Anabaena flos-aquae and other cyanobacteria possess diadenosine 5',5"'-P1,P4-tetraphosphate (Ap4A) phosphorylase activity.

Anabaena flos-aquae and other cyanobacteria possess diadenosine 5',5"'-P1,P4-tetraphosphate (Ap4A) phosphorylase activity.