>3O1K_1|Chains A, B, C, D|Dihydroneopterin aldolase FolB, putative|Vibrio cholerae O1 biovar El Tor (243277) SNAMGIRPVNRKRLSMDKVFIEQLEVITTIGVYDWEQQIKQKLVLDLEMAHDNRAAGKSDDVADALDYAQVSQAVLEHIEQGRFLLVERVAEEVAELIMTRFAVPWLRIRLTKPGAVPQAKGVGVIIERARG