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Purification and cDNA sequence of µ-TRTX-Ca1a. a RP-HPLC profile of the venom from the spider C. albostriatus. The red asterisk indicates the fraction containing Ca1a. b Further purification by analytical RP-HPLC of the fraction of interest. c MALDI-TOF MS analysis of purified Ca1a and inset showing an enlarged view of the peak. d The full cDNA sequence of Ca1a. The sequence of the mature peptide is highlighted in yellow. e Sequence alignment of Ca1a with related spider toxins
