>sp|A3PGY5|APT_CERS1 Adenine phosphoribosyltransferase OS=Cereibacter sphaeroides GN=apt MTHKSVRDYIRTIVDFPHEGILFRDVTTLFADPRGFRIAIDQLLAPYAGMRFDKVAGLEA RGFILGGAVAHQLSTGFVPIRKKGKLPGRTISVSYQLEYGEAVVEVHDDAIQAGEKVLLV DDLLATGGTAEAGIKLIEQLGDQVVGCAFVVDLPDLGGRRRLEAMGMEVHALCAFEGL