The peptide consisted of a signal peptide of 19 residues, a mature peptide of 39 residues and an intervening propeptide of 18 residues. The mature peptide of µ-TRTX-Hl1a is TECGKKTWPCETSEDCCDGDCSDTYW TCHLGFGCTRICV. An online BLAST search showed that µ-TRTX-Hl1a had considerable ...