Complex sentence: However, I2 PP2A has also been identified as a truncated SET protein, meaning that it is also possible that SET-CAN binding may involve I2 PP2A and can thus inhibit normal CAPP regulation.
Split into simpler sentences: However, I2 PP2A has also been identified as a truncated SET protein. It is then also possible that SET-CAN binding could involve I2 PP2A and thus can inhibit normal CAPP regulation.