2.7.7.80 expression of the MOCS3 MoeB-like domain MOCS3-MoeBD in a Esccherichia coli MoeB-deficient strain moeB- (DE3) 2.7.7.80 gene moeB, DNA and amino acid sequence determinations, expression of wild-type MoeB in Escherichia coli strain BL21(DE3) and of MoeB mutants in Escerichia coli strain moeB- (DE3) cells from pMW15eB