>tr|A0A2G8PFG3|A0A2G8PFG3_9SYNE 4-hydroxythreonine-4-phosphate dehydrogenase OS=Synechococcus sp. 60AY4M2 GN=pdxA MSLLLPKLALTLGDPAGIGPEIVLKALADPQVQACAQITVVGERQVLEATYCLLRQRGAT DLADPAGIPVLEGGSGFYLEPSRVGRGDVASGAASFAYLKTAIEEALRGQFQGIVTAPIA KYLWHQAGYPFPGQTEVLAQLSGSERYGMLFVARSPHSGWQIRVLLATTHIPLSQVPLTL TPELVRAKLDLLVGSLRKLFGIVNPVIAVAGLNPHAGEQGQLGQEEKTWLAELLRTYPHA KIWGPLPPDTMWLAPAQAWYGQGAPAVADAYLALYHDQGLIPVKLLAFDRAVNLTLGLPF IRTSPDHGTAFDLAGQGVARAESLKQAILLAAELALSSAAASRSLQAQR