Calcium-dependent plasma membrane binding and cell lysis by perforin are mediated through its C2 domain: A critical role for aspartate residues 429, 435, 483, and 485 but not 491.

Abstract excerpt

The lymphocyte pore-forming protein perforin is essential for maintaining immune homeostasis and for effective defense against intracellular pathogens. To date, there have been no reported structure-function studies to substantiate the function of any putative domains of perforin, which have been postulated totally on primary sequence similarities with domains in other proteins. In this report, we have used...

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