OAS-TL B MASLVNNAYAALRTSKLELREVKNLANFRVGPPSSLSCNNFKKVSSSPITCKAVSLSPPSTIEGLNIAEDVSQLIGKTPMVYLNNVSKGSVANIAAKLESMEPCCSVKDRIGYSMIDDAEQKGVITPGKTTLVEPTSGNTGIGLAFIAAARGYKITLTMPASMSMERRVILKAFGAELVLTDPAKGMKGAVEKAEEILKKTPDSYMLQQFDNPANPKIHYETTGPEIWEDTKGKVDIFVAGIGTGGTISGVGRYLKERNPGVQVIGIEPTESNILSGGKPGPHKIQGLGAGFVPSNLDLGVMDEVIEVSSEEAVEMAKQLAMKEGLLVGISSGAAAAAAVRIGKRPENAGKLIAVVFPSFGERYLSSILFQSIREECENMKPE O-acetylserine sulfhydrylase 383 CYSK CYSKP_SPIOL Cysteine synthase, chloroplastic/chromoplastic O-acetylserine (thiol)-lyase CSase B