>tr|E0J254|E0J254_ECOLW Phosphoadenosine 5'-phosphosulfate reductase OS=Escherichia coli GN=cysH MSKLDLNALNELPKVDRILALAETNAELEKLDAEGRVAWALDNLPGEYVLSSSFGIQAAV SLHLVNQIHPDIPVILTDTGYLFPETYRFIDELTDKLKLNLKVYRATESAAWQEARYGKL WEQGVEGIEKYNDINKVEPMNRALKELNAQTWFAGLRREQSGSRANLPVLAIQRGVFKVL PIIDWDNRTIYQYLQKHGLKYHPLWDEGYLSVGDTHTTRKWEPGMSEEETRFFGLKRECG LHEG