1983 Volume 47 Issue 12 Pages 2767-2772
An enzyme which released invertase from cell ghosts of Candida utilis was isolated in an electrophoretically pure state from "Zymolyase." The molecular weight of the purified enzyme was estimated to be 5.8 x 104, and its isoelectric point was pH 6.9. The enzyme was stable in a pH range from 6.0 to 9.0, and the optimal pH for liberation of invertase from cell ghosts was around 6.0. The activity of the enzyme was competitively inhibited by glucose, mannose, and sucrose. Unlike the starting enzyme preparation, "Zymolyase, " the purified enzyme released invertase without making holes on the surface of the cell ghosts. Various tests were applied, but the specificity of the enzyme was not defined.
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