Isolation and characterization of five serine proteases with trypsin-, chymotrypsin- and elastase-like characteristics from the gut of the lugworm Arenicola marina (L.) (Polychaeta)

@article{Eberhardt2004IsolationAC,
  title={Isolation and characterization of five serine proteases with trypsin-, chymotrypsin- and elastase-like characteristics from the gut of the lugworm Arenicola marina (L.) (Polychaeta)},
  author={Joachim Eberhardt},
  journal={Journal of Comparative Physiology B},
  year={2004},
  volume={162},
  pages={159-167}
}
Five proteases were isolated from the digestive fluid of the lugworm, Arenicola marina L. The enzymes (molecular weight 24.0–24.6 kDa) were classified as serine proteases. Three enzymes showed a cleavage specificity corresponding to mammalian trypsin (E.C. 3.4.21.4). One protease possessed a chymotrypsin-like cleavage pattern (E.C. 3.4.21.1), and the fifth preferred cleavage behind short-chain amino acids like an elastase (E.C. 3.4.21.36). Detailed investigations revealed differences in… CONTINUE READING

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