>sp|Q83SQ1|PDXA_SHIFL 4-hydroxythreonine-4-phosphate dehydrogenase OS=Shigella flexneri GN=pdxA MVKTQRVVITPGEPAGIGPDLVVQLAQREWPVELVVCADATLLTDRAAMLGLPLTLRPYS PNSPAQPQTTGTLTLLPVALRESVTAGQLAIENGHYVVETLARACDGCLNGEFAALITGP VHKGVINDASIPFTGHTEFFEERSQAKKVVMMLATEELRVALATTHLPLRDIADAITPAL LHEVIAILHHDLRTKFGIAEPRILVCGLNPHAGEGGHMGTEEIDTIIPVLDELRAQGMKL NGPLPADTLFQPKYLDNADAVLAMYHDQGLPVLKYQGFGRGVNITLGLPFIRTSVDHGTA LELAGRGEADVGSFITALNLAIKMIVNTQ