Degradation of β-HCH (black circles) and appearance of its metabolites, PCHL (black triangle) and TCDL (white triangle), in reaction mixtures containing LinBMI wild type (A), LinBMI T81A (B), LinBMI V112A (C), LinBMI T135A (D), LinBMI L138I (E), LinBMI I253M (F), LinBMI wild type (G), LinBMI V134I (H), LinBMI H247A (I), LinBMI V134I/H247A (J), or LinBUT wild type (K). The same data (G to K) used in reference 7 are also shown in this study. The activity data (A to F) of this study were obtained by the same research group as for reference 7 under the same reaction conditions except for the concentration of purified enzyme (100 and 150 μg/ml in the work described in reference 7 and this study, respectively).