Lys-Cys-Asn-Thr-Ala-Thr-Cys-Ala |
Lysenin-2 |
Alpha-Endorphin |
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Lysenin is a protein of 297 amino acids purified from coelomic fluid of the earthworm Eisenia foetida. An older designation for Lysenin-3 is Fetidin
Lysenin is a defense protein expressed in the large intestinal coelomocytes and in the free large chloragocytes (Ohta et al, 2000).
Yamaji et al (1998) have identified Lysenin as a sphingomyelin-specific binding protein. The cDNA has been cloned by Sekizawa et al (1997). The protein is hemolytic for erythrocytes and highly toxic for vertebrates but not invertebrates
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