>sp|A4TPY6|CYSI_YERPP Sulfite reductase [NADPH] hemoprotein beta-component OS=Yersinia pestis GN=cysI MNEKHPGPLVVSGKLSDGERMKSESNFLRGTIAEDLNNGLTGGFSGDNFLLIRFHGMYQQ DDRDIRAERAEQKLEPRHAMMLRCRLPGGIITPQQWLGIDKFAADNTLYGSIRITNRQTF QFHGILKGNVKPAHQLLNELGLDALATANDVNRNVLCTSNPVESALHQEAYEWAKKISEH LLPRTRAYAEIWLDAEKVATTDEEPILGATYLPRKFKTTVVIPPQNDVDLHANDLNFVAV ADKGKLIGFNVLVGGGLSIAHGDKNTYPRKASEFGYIPLKHTLAIAEAVVTTQRDWGNRT DRKNAKTKYTLERVGVETFKAEVEKRAGVSFSAIKPYQFIGRGDRIGWVKGVDKKWHLTL FVENGRLLDYPGRSLKTGVAEIAKIHQGDFRLTANQNLIVAGVPEKDKARIEALAREHGL MDDNVTSQRENSMACVSFPTCPLAMAEAERFLPEFVTRVEGILQQHGLADEHIVLRVTGC PNGCGRALLAEVGLVGKAVGRYNLHLGGNREGTRIPRMYRENITADEILLITDQLVGRWA KERHVDEGFGDFVIRAGVIAPVIDSARDFYDVQEAM