Polyporopepsin Explained

Polyporopepsin
Ec Number:3.4.23.29
Cas Number:61573-73-7

Polyporopepsin (Polyporus aspartic proteinase, Irpex lacteus aspartic proteinase, Irpex lacteus carboxyl proteinase B) is an enzyme.[1] [2] This enzyme catalyses the following chemical reaction

Milk clotting activity, broad specificity, but fails to cleave Leu15-Tyr or Tyr16-Leu of insulin B chain

This enzyme is isolated from the basidiomycete Polyporus tulipiferae.

Notes and References

  1. Substrate specificity of a carboxyl proteinase from Irpex lacteus . Kobayashi H, Kusakabe I, Murakami K . Agric. Biol. Chem. . 1983 . 47 . 8 . 1921–1923 . 10.1271/bbb1961.47.1921. free .
  2. Cloning and sequence analysis of cDNA for Irpex lacteus aspartic proteinase . Kobayashi H, Sekibata S, Shibuya H, Yoshida S, Kusakabe I, Murakami K . Agric. Biol. Chem. . 1989 . 53 . 7 . 1927–1933 . 10.1271/bbb1961.53.1927. free .

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