# OC Root 2nd 3rd PC Gene/Definition OC.81319 Archaea.95131 Thaumarchaeota.9194 nbv.494 nbv:T478_0515 msrA; peptide-methionine (S)-S-oxide reductase; K07304 peptide-methionine (S)-S-oxide reductase [EC:1.8.4.11]