Fig. 3

Primary structure of purified peptides. (a) Peptide with molecular weight 3421.84 Da, containing 29 amino acids. Captioned “Direct” means sequence obtained directly by automatic Edman degradation. (b) Peptide of 7051.53 Da containing 65 amino acids and sequenced directly by Edman degradation, and completed by sequencing the peptide “Asp N 23.4” obtained after enzymatic digestion of a reduced and alkylated sample