>sp|B4S410|APT_PROA2 Adenine phosphoribosyltransferase OS=Prosthecochloris aestuarii GN=apt MPIKSRIRTIPDYPKKGIMFRDITTLLKDPVGFRLVIDQITQHYLENGINFDMIIGMEAR GFIIGGALSYTLGKGFVPIRKPGKLPGETVNQEYQLEYGTDKVEMHIDALEKGTRVLLVD DLLATGGTALAGAALIEKVGGVVADMAFIVNLPDIGGQKKLEEKGYSLFSLTEFEGD