>3U40_1|Chains A, B, C, D, E, F|Purine nucleoside phosphorylase|Entamoeba histolytica (5759) GPGSMAEHCPTPHNGAKYGEIAETVLMAGDPLRVKLLADTYLTDVVQYNSVRGAVGYTGYYKGVKLSVQAHGMGMPSIGIYAYELFNFYGVKRIIRIGSAGAFDESLKLGDIVIGMGACYDSNFERQYDIPGKYSCIADFQLCREAVDAAEKLGYRYKVGNIYSANYFYDDGDHSGAWKKMGVLAVEMEAAALYMIAARARKQALCMLTISDLCYGSGEKMTAEERRTKFTQMMEVALSLAK