ypr:BZ20_4055 K21405 sigma-54 dependent transcriptional regulator, acetoin dehydrogenase operon transcriptional activator AcoR | (GenBank) AAA domain family protein ypr:BZ20_4054 K00138 aldehyde dehydrogenase [EC:1.2.1.-] | (GenBank) aldehyde dehydrogenase family protein