>sp|A5GPX7|PDXA_SYNR3 4-hydroxythreonine-4-phosphate dehydrogenase OS=Synechococcus sp. GN=pdxA MTRLAIALGDPAGIGAEVVLKALAHRPSLNPLLVGCRQWLQASYEQLLPCCHEPLADPSQ LEILDEPLTEAITPGSISAAAGAASFGWLTRATEAVLDGRAQALVTAPIAKTAWHQAGHH YPGQTERLAELCGCDDAAMLFTARSPQSGWRFNTLLATTHIPLSSVPAALTPERLERRLG QLEDFCRRFRQRPRLRVAGLNPHAGEAGQLGTEEQRWITACLQAYQQRHNNLQLEGPVPP DTCWLGAAQAWNDSQHVEEGCDGYLALYHDQGLIPVKVLAFDQAVNTTLGLPFLRTSPDH GTGFDRAGQGSARGASMLAAIDTAVELG