>sp|B7MYR0|CYSH_ECO81 Phosphoadenosine 5'-phosphosulfate reductase OS=Escherichia coli O81 GN=cysH MSKLDLNALNELPKVDRILALAETNAQLEKLDAEGRVAWALDNLPGEYVLSSSFGIQAAV SLHLVNQIRPDIPVILTDTGYLFPETYRFIDELTDKLKLNLKVYRATESAAWQEARYGKL WEQGVEGIEKYNDINKVEPMNRALKELNVQTWFAGLRREQSGSRANLPVLAIQRGVFKVL PIIDWDNRTIYQYLQKHGLKYHPLWDEGYLSVGDTHTTRKWEPGMAEEETRFFGLKRECG LHEG