>6AIF_1|Chain A|Cysteine synthase|Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd) (71421) MGSSHHHHHHSSGLVPRGSHMASMTGGQQMGRGSMAIYADNSYSIGNTPLVRLKHFGHNGNVVVKIEGRNPSYSVKCRIGANMVWQAEKDGTLTKGKEIVDATSGNTGIALAYVAAARGYKITLTMPETMSLERKRLLCGLGVNLVLTEGAKGAKGAIAKAEEIVASDPSRYVMLKQFENPANPQIHRETTGPEIWKDTDGKVDVVVAGVGTGGSITGISRAIKLDFGKQITSVAVEPVESPVISQTLAGEEVKPGPHKIQGIGAGFIPKNLDLSIIDRVETVDSDTALATARRLMAEEGILAGISSGAAVAAADRLAKLPEFADKLIVVILPSASERYLSTALFEGIEG >6AIF_2|Chain B|Peptide from Serine acetyltransferase|Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) (99287) WHTFEYGDGI