abu:Abu_1632 K07305 peptide-methionine (R)-S-oxide reductase [EC:1.8.4.12] | (GenBank) msrB; peptide methionine sulfoxide reductase abu:Abu_1631 K07304 peptide-methionine (S)-S-oxide reductase [EC:1.8.4.11] | (GenBank) msrA; peptide methionine sulfoxide reductase abu:Abu_2029 K01754 threonine dehydratase [EC:4.3.1.19] | (GenBank) ilvA; threonine deaminase