>sp|A2BRV3|APT_PROMS Adenine phosphoribosyltransferase OS=Prochlorococcus marinus GN=apt MKKLEDLILTYKDFPKKGIEFKDVLEILQYPDIFQDIILKMSSNQFLKKAEAIISIDARG FIFGSAVALESSKPMIVARKPGKLPGQLLTREYDLEYGKNSLSIQVNALKKFNSFVIVDD LLATGGTVKSVSRLIRDQKKKILGLITVVELKSLKGKSKLDFPVHSIVTL