>sp|Q1C3Z1|CYSI_YERPA Sulfite reductase [NADPH] hemoprotein beta-component OS=Yersinia pestis bv. Antiqua GN=cysI MNEKHPGPLVVSGKLSDGERMKSESNFLRGTIAEDLNNGLTGGFSGDNFLLIRFHGMYQQ DDRDIRAERAEQKLEPRHAMMLRCRLPGGIITPQQWLGIDKFAADNTLYGSIRITNRQTF QFHGILKGNVKPAHQLLNELGLDALATANDVNRNVLCTSNPVESALHQEAYEWAKKISEH LLPRTRAYAEIWLDAEKVATTDEEPILGATYLPRKFKTTVVIPPQNDVDLHANDLNFVAV ADKGKLIGFNVLVGGGLSIAHGDKNTYPRKASEFGYIPLKHTLAIAEAVVTTQRDWGNRT DRKNAKTKYTLERVGVETFKAEVEKRAGVSFSAIKPYQFIGRGDRIGWVKGVDKKWHLTL FVENGRLLDYPGRSLKTGVAEIAKIHQGDFRLTANQNLIVAGVPEKDKARIEALAREHGL MDDNVTSQRENSMACVSFPTCPLAMAEAERFLPEFVTRVEGILQQHGLADEHIVLRVTGC PNGCGRALLAEVGLVGKAVGRYNLHLGGNREGTRIPRMYRENITADEILLITDQLVGRWA KERHVDEGFGDFVIRAGVIAPVIDSARDFYDVQEAM