>UniProt/Swiss-Prot|P50867|CYSK_EMENI Cysteine synthase
MFRQSVRRFATAALRSAAESPYNVRVSQAQGFVNGLTEKAIGNTPLIRLKRLSEETGSNI
LAKAEFQNPGGSVKDRAALYVVKDAEERGLLKPGGTVVEGTAGNTGIGLAHVCRSKGYKL
VIYMPNTQSQGKIDLLRLLGAEVYPVPAVAFDNPENYNHKARRHAESLDNAVWTNQFDNT
ANRRAHIETTGPEIWAQTGGKLDAFTCSTGTGGTLAGITYYLKQASGGRVKSFLADPPGS
VLHSYIQSGGKLVERSGSSITEGIGQGRITDNLQPDVGTLDGSLNISDEKTIEMIYRCLD
EEGLYLGASSALNVVAAKEVAEKLGKGSTVVTILADGAYRYADRLFSKSWLESKGLRNAI
PKHLEKYIVLP