1.2.1.26 expressed as His6-tagged ycbD protein 1.2.1.26 expression in Escherichia coli 1.2.1.26 expression in Escherichia coli BL21 (DE3) 1.2.1.26 gene araE, sequence comparisons of 3-hydroxypropionate producing ALDHs, recombinant expression of His6-tagged wild-type and mutant enzymes in Escherichia coli strain BL21(DE3)-T1 1.2.1.26 KGSADH-II overexpressed as His6-tagged protein in Escherichia coli DH5alpha 1.2.1.26 KGSADH-III overexpressed as His6-tagged protein in Escherichia coli DH5alpha 1.2.1.26 recombinant expression of N-terminally His6-tagged wild-type and mutant KGSADH enzymes in Escherichia coli strain DH10beta