1 23 Applied Microbiology and Biotechnology ISSN 0175-7598 Appl Microbiol Biotechnol DOI 10.1007/s00253-012-4654-3 Heterologous expression of CYP102A5 variant from Bacillus cereus CYPPB-1: Validation of model for predicting drug metabolism of human P450 probe substrates Brahmaiah Pendyala, Subba Rao Chaganti, Sathish Thadikamala & Prakasham Reddy Shetty