ssd:SPSINT_1135 K07305 peptide-methionine (R)-S-oxide reductase [EC:1.8.4.12] | (GenBank) Peptide methionine sulfoxide reductase MsrB ssd:SPSINT_1136 K07304 peptide-methionine (S)-S-oxide reductase [EC:1.8.4.11] | (GenBank) Peptide methionine sulfoxide reductase MsrA ssd:SPSINT_1726 K01754 threonine dehydratase [EC:4.3.1.19] | (GenBank) Threonine dehydratase biosynthetic