3.2.1.2 2-mercaptoethanol 1 mM, activates 654141 3.2.1.2 CaCl2 - 694842 3.2.1.2 MgCl2 - 694842 3.2.1.2 additional information cold stress activates the chloroplastic isozyme by 5fold at 3°C 666557 3.2.1.2 additional information low temperature of 4°C rapidly induces the enzyme activity 663557 3.2.1.2 additional information phenylmethanesulfonyl fluoride does not show any effect on enzyme activity 694842 3.2.1.2 additional information rapid induction of type II beta-amylase by nitric oxide, from sodium nitroprusside, but not by gibberellin in seeds during the early stage of germination, sodium nitroprusside also directly induces the release of the enzyme from glutenin 666677 3.2.1.2 additional information the enzyme is induced during low temperature stress at 4°C 666599 3.2.1.2 additional information the enzyme requires reducing conditions for full activity 666646 3.2.1.2 additional information the synthesis of beta-amylase is induced by starch and maltose 656678