CEMA consists of eight amino acid from N-terminus of cecropin A and C-terminus of modified melittin. It maintains potent antibacterial activity and deprives of the hemolytic activity.

• CEMA为人工合成的阳离子抗菌肽，由cecropinA的N-末端8个氨基酸残基和经改造的蜂毒素C-末端组成，既保持了很强的抑菌活性，又降低了溶血毒性。