E. coli a-hemolysin: a membrane-active protein toxin
Alpha-Hemolysin is synthesized as a 1024-amino acid polypeptide, then intracellularly activated by specific fatty acylation. A second activation step takes place in the extracellular medium through binding of Ca2+ ions. Even in the absence of fatty acids and Ca2+ HlyA is an amphipathic protein, with...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Associação Brasileira de Divulgação Científica
1998-01-01
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Series: | Brazilian Journal of Medical and Biological Research |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000800002 |