>sp|P57501|CYSH_BUCAI Phosphoadenosine 5'-phosphosulfate reductase OS=Buchnera aphidicola subsp. Acyrthosiphon pisum GN=cysH MSKFYIENINLLNSEKKNNILSELNLLLSNYSAEERISWALSHLPHTQIMSSSFGIQSTV LLHLIIKKKPDIPVILIDTGYLFPETYNFIDFLTNKFHLNLKVFRSTISSAWQEARYGKL WEKGIEGIDFYNNINKVQPMNFALNELSVQTWFAGLRHDQSKSRNLLPYLSIKKGIFKIL PILDWSKDKIKDYLKENNLDTHPLYNNGYSSVGDTHTTKKHMPGMLEEETRFFGLKRECG LHEN