>sp|A1JJS3|CYSI_YERE8 Sulfite reductase [NADPH] hemoprotein beta-component OS=Yersinia enterocolitica serotype O:8 / biotype 1B GN=cysI MSEKHPGPLVVTGKLSDGERMKSQSNFLRGTIAEDLNDGLTGGFNGDNFLLIRFHGMYQQ DDRDIRAERAEQKLEPRHAMMLRCRLPGGIITPQQWLGIDKFAADNTLYGSIRITNRQTF QFHGILKGNVKPAHQLLNQLGLDALATANDVNRNVLCTSNPVESVLHQEAYEWAKKISEH LLPRTRAYAEIWLDAEKVATTDEEPILGATYLPRKFKTTVVIPPQNDVDLHANDLNFVAV ADKGKLVGFNVLVGGGLSIAHGDKNTYPRKASEFGYIPLQHTLAIAEAVVTTQRDWGNRT DRKNAKTKYTLERVGVEVFKAEVEKRAGVSFGAIKPYQFTGRGDRIGWVKGIDKKWHLTL FIENGRLLDYPGRSLKTGVAEIAKIHQGDFRLTANQNLIVAGVPEKDKARIEALAREHGL MDDSVSPQRENSMACVSFPTCPLAMAEAERFLPEFVTRIEGILQQHGLPDEHIVMRVTGC PNGCGRALLAEMGLVGKAVGRYNLHLGGNREGTRIPRMYRENITEDEILAITDQLVGRWA KERHTDEGFGDFVIRVGVIAPVIDSARDFYDVQEAV