1.14.11.26 - 660843 1.14.11.26 expressed in Escherichia coli Tuner(DE3) and BL21(DE3) cells 671443 1.14.11.26 expression in Escherichia coli 440380 1.14.11.26 expression in Streptomyces lividans 660772 1.14.11.26 geen cefF, recombinant exression of cefF library mutants, site-directed mutants, and wild-type enzyme in Escherichia coli strain BL21(DE3) 744105 1.14.11.26 gene cefEF 725639 1.14.11.26 gene cefF, subcloning in Escherichia coli, functional expression in Acremonium chrysogenum strain CGMCC3.3795 via Agrobacterium tumefaciens-mediated transformation under the promoter of pcbC, leading to a reduction of the content of deacetoxycephalosporin C in the cephalosporin C fermentation broth, quantitative PCR expression analysis 725639