>AF_AFP0AC18F1_1|Chain A|Dihydroneopterin aldolase|Shigella flexneri (623) MDIVFIEQLSVITTIGVYDWEQTIEQKLVFDIEMAWDNRKAAKSDDVADCLSYADIAETVVSHVEGARFALVERVAEEVAELLLARFNSPWVRIKLSKPGAVARAANVGVIIERGNNLKENN