>sp|Q21LK8|PDXB_SACD2 Erythronate-4-phosphate dehydrogenase OS=Saccharophagus degradans GN=pdxB MKIVADENIPFVNELFEPIGEILLRPGREITPADVKNADILLVRSVTPVNAALLEGSKVQ FVGTCTIGTDHLDKAYLDERDIAYSSAPGCNAGGVVQYALSAMAVLGLLQDSPSKDFKVA VVGCGNVGSRVYRTLSALGYDCIGVDPFLDTSTIPHLQPFEAIYDCDLICCHTPLTRSGP APTEHMFNTDVFNHLKSGATLLNAGRGGVIDNRALLQYLNTHNDLTVVLDVWESEPDILV ELLDAVALGSTHIAGYSYEGRINGSLMIHRALIDYLLAHGEHPEDTRRAIEAYVAKDKET INVTSFADAVLATYDVRDDDALLRQAVQGLPASFDMLRKQYRKRREFSHYQIEAAPPKLM PLLQSLGYGVVAK