?url_ver=Z39.88-2004&rft_id=10.1021%2Ftx300281g&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=James+B.Y.H.&rft.aulast=Behrendorff&rft.au=Behrendorff%2C+James+B.Y.H.&rft.title=Chemical+Research+in+Toxicology&rft.issn=0893-228X&rft.volume=25&rft.atitle=Directed+evolution+reveals+requisite+sequence+elements+in+the+functional+expression+of+P450+2F1+in+Escherichia+coli&rft.issue=9&rft.date=17+September+2012&rft.genre=article