>sp|A8G9P1|PDXA_SERP5 4-hydroxythreonine-4-phosphate dehydrogenase OS=Serratia proteamaculans GN=pdxA MHNNNRIVITPGEPAGVGPDLVAALAQQDWPVELVVCADPALLLERARQLDLPLQLRTYQ PQQPAQPQRAGTLTVLPVATAHPVVAGELNVGNSAYVVETLARACDGCLNGEFAALITGP VNKGVINDAGVPFIGHTEFFADRSGCDRVVMMLATEELRVALATTHLPLLAVPGAITRQS LHEVIRILDHDLKTKFGLAQPQIYVCGLNPHAGEGGHMGREEIDTIIPALDELRAEGITL IGPLPADTLFQPKYLQHADAVLAMYHDQGLPVLKYQGFGRAVNITLGLPFIRTSVDHGTA LELAGTGTADAGSFKTALNLAIKMIINCNE