>sp|P73935|APT_SYNY3 Adenine phosphoribosyltransferase OS=Synechocystis sp. GN=apt MDLKALIRDIPDFPKPGIMFRDITTLLNSPEGLRYTIDSLVEQCESQELVPDHVVGMESR GFLFGMPLAYQMNAGFIPVRKPGKLPAPVHRVEYDLEYGKDSLEIHQDAVAPHHRVLIVD DLIATGGTAKATAELLTKLGCEVLGFAFIIELAALNGRQCLPDLPIISLVEY