>4LDN_1|Chain A|Purine nucleoside phosphorylase DeoD-type|Vibrio fischeri (312309) MHHHHHHSSGVDLGTENLYFQSMSTPHINAPLDAFADTILMPGDPLRAKLIAETYLENVVQVTDVRGMLGFTGEFKGRKISVMGHGMGAPSASIYFHELMTTYKVKNFIRIGSCGAIHDDVKLKDLIVAIGASTDSKMNRIRFKDNDFAATANYNMLSECVNTLKTTDINYLVGNVFSSDLFYRPDEEQYDMMARYGILGVEMEVNALYSAAAENHCNAVALCTVTDHIKNHEHLTADERRTELHEMINVALDVALKLPTE