3.4.17.8 expression in Escherichia coli 3.4.17.8 gene pbp5, complementation of a PBP5-deficient Enterococcus hirae strain SL1 and a PBP3-deficient Enterococcus hirae strain SL2 3.4.17.8 gene pbp5, expression of wild-type and mutant enzymes in Escherichia coli, complementation of the pbp5-deficient mutant strain SL1 and of the pbp3-deficient strain SL2 by wild-type and mutant enzymes, recombinant strains, overview 3.4.17.8 gene pbp5, expression of wild-type and mutant enzymes in strain BL21(DE3)