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The amino acid residues surrounding signal peptidase cleavage sites are shown for four organisms. The five amino acid residues are three residues prior to cleavage (−3, −2, −1) and two residues post cleavage (+1, +2). A, E. coli; B, Caulobacter crescentus; C, Deinococcus radiodurans; D, Cyanobacterium synechocystis. Figures were created using weblogo.berkeley.edu with default parameters.
