**Background**
The interaction between peptides and biological membranes is a fundamental process in cellular biology and pathogenesis. Many bacteria secrete specialized peptides that can disrupt the integrity of host cell membranes to facilitate infection or nutrient acquisition. Among these, hemolytic peptides produced by Staphylococcus species are of particular interest due to their ability to perturb lipid bilayers. Understanding the mechanisms by which these peptides interact with membranes provides critical insights into bacterial virulence and the development of membrane-targeted therapeutics. In this context, we will introduce a model membrane-interacting peptide – Delta-hemolysin.
**Definition**
Delta-hemolysin (also known as Delta-lysin) is a 26 amino acid hemolytic peptide produced by Staphylococcus with a molecular weight of 3006.51 and a specific Delta-hemolysin Formula of C137H225N33O40S.
**Biological Activity**
According to the Delta-hemolysin description, this peptide consists of the sequence {Formyl}-MAQDIISTIGDLVKWIIDTVNKFTKK. In terms of Delta-hemolysin biological activity, the peptide acts by perturbing the cellular membrane, which can lead to cell lysis. Because of these properties, it serves as a primary model in the study of peptides interacting with membranes. While it is highly effective at disrupting membranes, research indicates that Delta-hemolysin is poorly active against bacteria. Researchers seeking detailed Delta-hemolysin technical information can utilize this peptide to investigate the biophysical properties of membrane pore formation and the dynamics of peptide-lipid interactions. In conclusion, Delta-hemolysin is a potent hemolytic peptide and a valuable tool for membrane research.
Keywords
Delta-hemolysin, 74838-20-3, Delta-lysin, Bacterial, Hemolytic, Staphylococcus, cell lysis, membranes, bacteria, Inhibitor, inhibitor, inhibit
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