3.5.5.5 2,2'-dipyridyl weak 375 3.5.5.5 3-Methyl-2-benzothiazolinone hydrazone weak 10508 3.5.5.5 4-hydroxyphenylacetic acid - 5492 3.5.5.5 8-hydroxyquinoline weak 321 3.5.5.5 Ag+ complete inhibition at 1 mM 75 3.5.5.5 Ag+ - 75 3.5.5.5 Ag+ 94% inhibition at 5 mM 75 3.5.5.5 Ag2+ strong 1041 3.5.5.5 ascorbic acid - 387 3.5.5.5 Ba2+ 8% inhibition at 5 mM 111 3.5.5.5 Ca2+ about 50% inhibition at 1 mM 15 3.5.5.5 Cd2+ - 52 3.5.5.5 Cd2+ about 50% inhibition at 1 mM 52 3.5.5.5 Co2+ - 23 3.5.5.5 Co2+ 80% inhibition at 5 mM 23 3.5.5.5 Co2+ 77% inhibition at 1 mM 23 3.5.5.5 Cs+ about 50% inhibition at 1 mM 580 3.5.5.5 Cu2+ strong 19 3.5.5.5 Cu2+ complete inhibition at 1 mM 19 3.5.5.5 Cu2+ - 19 3.5.5.5 Cu2+ 84% inhibition at 5 mM 19 3.5.5.5 Cu2+ 87% inhibition at 1 mM 19 3.5.5.5 D-cycloserine weak 874 3.5.5.5 diethyldithiocarbamate - 373 3.5.5.5 Disodium 4,5-dihydroxy-m-benzene-disulfonate weak 93231 3.5.5.5 dithiothreitol about 50% inhibition at 1 mM 45 3.5.5.5 DTNB strong 554 3.5.5.5 Fe2+ complete inhibition at 10 mM 25 3.5.5.5 Fe2+ - 25 3.5.5.5 Fe2+ 17% inhibition at 5 mM 25 3.5.5.5 Fe3+ complete inhibition at 1 mM 70 3.5.5.5 Fe3+ 19% inhibition at 5 mM 70 3.5.5.5 H2O2 - 22 3.5.5.5 Hg2+ strong 33 3.5.5.5 Hg2+ - 33 3.5.5.5 Hg2+ complete inhibition at 5 mM 33 3.5.5.5 Hg2+ 98% inhibition at 1 mM 33 3.5.5.5 hydroxylamine weak 85 3.5.5.5 iodoacetate weak 93 3.5.5.5 KCN weak 161 3.5.5.5 L-cysteine - 74 3.5.5.5 Li+ 11% inhibition at 5 mM 152 3.5.5.5 Mg2+ 91% inhibition at 1 mM 6 3.5.5.5 Mn2+ 22% inhibition at 5 mM 11 3.5.5.5 Mn2+ about 50% inhibition at 1 mM 11 3.5.5.5 additional information little or no inhibition by Li+, Na+, Mg2+, Ca2+, Ba2+, Mn2+, Fe2+, Pb2+, Fe3+, Al3+, NaN3, NaF, cysteamine, aminoguanidine, L/D-penicillamine, 1,10-phenanthroline or EDTA 2 3.5.5.5 additional information no inhibition by KCN, EDTA, D-cycloserine, and Mn2+ 2 3.5.5.5 additional information EDTA shows very little effect on arylacetonitrilase activity 2 3.5.5.5 N-ethylmaleimide - 49 3.5.5.5 Ni2+ - 38 3.5.5.5 Ni2+ 83% inhibition at 5 mM 38 3.5.5.5 p-chloromercuribenzoate strong 43 3.5.5.5 phenylhydrazine - 398 3.5.5.5 Semicarbazide weak 382 3.5.5.5 Sn2+ - 413 3.5.5.5 Urea weak 116 3.5.5.5 Zn2+ - 14 3.5.5.5 Zn2+ 36% inhibition at 5 mM 14