>sp|Q54CN7|CYSK_DICDI Cysteine synthase OS=Dictyostelium discoideum GN=cysK MFSSIYGYFNSEGDSNQQQNNNNNSNNNLKESVFHSGISNGIIETVGNTPLIRIKSLSEA TGCEIYGKAEFMNPGGSPKDRVAREIILDGEKKGLLKKGSTIVEATAGSTGISLTMLGKS RGYNVQLFIPDNVSKEKVDLLEMLGAETKIVPIVGMNNANHFMHCAYQRCLGDDMAFYAN QFDNLSNFNAHYNGTAKEIWEQTKGDVDGFVAAAGTGGTVAGISSYLKEVNPNIQNWLID PPGSGLYSLVNTGVIFHPKDRLVVEKLGPRSFYEGVGVNKKTENFNKASLNGAFRGTEEE GVDMAHYLLKHDGLFLGGSSALNCVGAVKLARKLGPGKTIVTVLCDSGHRYTSRLYSKSW LNDHNFQVSDLSNLNFVK