>21FY_1|Chains A, B|Cysteine desulfurase IscS|Escherichia coli K-12 (83333) MKLPIYLDYSATTPVDPRVAEKMMQFMTMDGTFGNPASRSHRFGWQAEEAVDIARNQIADLVGADPREIVFTSGATESDNLAIKGAANFYQKKGKHIITSKTEHKAVLDTCRQLEREGFEVTYLAPQRNGIIDLKELEAAMRDDTILVSIMHVNNEIGVVQDIAAIGEMCRARGIIYHVDATQSVGKLPIDLSQLKVDLMSFSGHKIYGPKGIGALYVRRKPRVRIEAQMHGGGHERGMRSGTLPVHQIVGMGEAYRIAKEEMATEMERLRGLRNRLWNGIKDIEEVYLNGDLEHGAPNILNVSFNYVEGESLIMALKDLAVSSGSACTSASLEPSYVLRALGLNDELAHSSIRFSLGRFTTEEEIDYTIELVRKSIGRLRDLSPLWEMYKQGVDLNSIEWAHH >21FY_2|Chains C, D|PptA|Psychrobacter phage vB_PmaS_Y8A (3017068) MGSSHHHHHHSSGLVPRGSHMSTNSPRVLCHFSCGAPSAVATKLAIEKYGKDNVTVFNIQITEEHPDNQRFLKECELWFGVPVTTVRNENFKGSIYEVFKQGFIKSPQGAACTTQLKRKVRASFQNPDDIHVFGFTTEEEQRAIDFNERNPSLTTDWVLLDAGFNRNDCLGVLAGVGIGIPQMYKLGYNNNNCVGCVKGGMGYWNKIRKDFPHVFARMAMVEREVGHSLLKDKDGAVWLDELDPDRGRMSKEPDIECSLVCSSTLETLNN