A cuticle-degrading proteinase from the moulting fluid of the tobacco hornworm, Manduca sexta.

@article{Samuels1993ACP,
  title={A cuticle-degrading proteinase from the moulting fluid of the tobacco hornworm, Manduca sexta.},
  author={Rebecca C. Samuels and Anthony Keith Charnley and Stuart E. Reynolds},
  journal={Insect biochemistry and molecular biology},
  year={1993},
  volume={23 5},
  pages={
          607-14
        }
}
Moulting fluid of pharate adult tobacco hornworm moths, Manduca sexta, contains a novel cuticle-degrading proteinase, designated as MFP-1. The enzyme has been purified using heparin affinity chromatography and partially characterized. Before purification MFP-1 is associated with a large complex having an apparent native molecular mass > 669 kDa. After purification MFP-1 has a molecular mass of 41 kDa. The pI of the enzyme is 5.54. MFP-1 can be classified as generally trypsin-like on the basis… CONTINUE READING
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