>sp|Q55982|PDXA_SYNY3 4-hydroxythreonine-4-phosphate dehydrogenase OS=Synechocystis sp. GN=pdxA MDCMSLPRLILTLGDPAGIGPEVVLKALAEPGLASICQLTAIGSRSVLDQTRRQLLAQNP GLNLADPETINLLEVDLSYLGKITVGQGDAVSGAISFAYLNEAITRTLAGEFDAIVTAPI AKSAWQAAGHNYPGQTEVLAHRAGVESFAMAFVGRSPFTGWTLRTLLATTHIPLKEVPQA LTPQLMTAKLELLLTCLAQDFGISNPSVAIAGLNPHSGEEGKLGSEEQDWLIPWLEQARK KYPQAQLIGPIPPDTMWVGPGKAWLTDGQTTVSDAYLALYHDQGLIPVKLLAFDQAINTT IGLPFVRTSPDHGTAFDIAGQGIARADSLIAAIKLAAELVEQRCRPRAQ