1.5.3.5 (R)-6-hydroxynicotine - 10451 1.5.3.5 6-hydroxy-D-nicotine competitive inhibitor 5921 1.5.3.5 6-hydroxy-D-nicotine - 5921 1.5.3.5 6-hydroxy-D-nicotine 50% inhibition at 0.18 mM 5921 1.5.3.5 Ag+ 1 mM, about 85% inhibition 75 1.5.3.5 Co2+ 1 mM, about 10% inhibition 23 1.5.3.5 Cu2+ 1 mM, about 85% inhibition 19 1.5.3.5 DL-2-hydroxynicotine - 49522 1.5.3.5 EDTA incubation for 1 h completely inhibits enzymatic activity 21 1.5.3.5 Hg2+ 1 mM, about 80% inhibition 33