Characterization of an intact phycoerythrin and its cleaved 14kDa functional subunit from marine cyanobacterium Phormidium sp. A27DM

In this study, we describe a series of experiments presenting the biochemical evidence for the cleavage of an intact phycoerythrin (α and β subunits) to phycoerythrin with only fragmented α-subunit, which is also functional, in Phormidium sp. A27DM. Culture, whether grown in different conditions (static or sparging) or in medium with different pH, produced truncated phycoerythrin. This indicated that the growth conditions or pH of medium did not...