>d1pk9a_ c.56.2.1 (A:) Purine nucleoside phosphorylase, PNP {Escherichia coli} atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdk