Reconstitution of caspase-mediated cell-death signalling in Schizosaccharomyces pombe.

Abstract excerpt

Two pro-apoptotic proteases, caspase-1 and caspase-3, have been expressed as full-length proteins in the fission yeast Schizosaccharomyces pombe. Both proteins autoprocess to generate the corresponding active enzyme and both are lethal to the yeast cell. Lethality is due to catalytic activity since the expression of the inactive mutant forms of both caspases does not result in an obvious phenotype....

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