>sp|P0AC16|FOLB_ECOLI Dihydroneopterin aldolase OS=Escherichia coli GN=folB MDIVFIEQLSVITTIGVYDWEQTIEQKLVFDIEMAWDNRKAAKSDDVADCLSYADIAETV VSHVEGARFALVERVAEEVAELLLARFNSPWVRIKLSKPGAVARAANVGVIIERGNNLKE NN