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Patterns of Amino Acid Properties Around Mitochondrial Signal Peptidase I Cleavage-Sites



Target sequences of ntitochondrial signal peptidase I from Neurospora crassa and human nuclear­ encoded matrix precursor proteins were analyzed for characteristic motifs. The distributions of positively charged and hydrophobic residues reveal predominant patterns. Differences between human and Neurospora crassa cleavage-sites seem to exist for position -2 and around position -5. Based on property histograms putative cleavage-site sequences were constructed de novo.
