>sp|P57501|CYSH_BUCAI Phosphoadenosine 5'-phosphosulfate reductase OS=Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) OX=107806 GN=cysH PE=3 SV=1 MSKFYIENINLLNSEKKNNILSELNLLLSNYSAEERISWALSHLPHTQIMSSSFGIQSTV LLHLIIKKKPDIPVILIDTGYLFPETYNFIDFLTNKFHLNLKVFRSTISSAWQEARYGKL WEKGIEGIDFYNNINKVQPMNFALNELSVQTWFAGLRHDQSKSRNLLPYLSIKKGIFKIL PILDWSKDKIKDYLKENNLDTHPLYNNGYSSVGDTHTTKKHMPGMLEEETRFFGLKRECG LHEN