1.1.99.29 Ag+ 37% inhibition of activity 687883 1.1.99.29 Al3+ no activity 687883 1.1.99.29 Ca2+ no activity 687883 1.1.99.29 Cu2+ no activity 687883 1.1.99.29 Fe2+ no activity 687883 1.1.99.29 Fe3+ 39% inhibition of activity 687883 1.1.99.29 Hg2+ 25% inhibition of activity 687883 1.1.99.29 Mg2+ no activity 687883 1.1.99.29 Mn2+ no activity 687883 1.1.99.29 Ni2+ no activity 687883