>sp|Q04CA6|XPT_LACDB Xanthine phosphoribosyltransferase OS=Lactobacillus delbrueckii subsp. bulgaricus GN=xpt MELLEERIKKDGVVLPGNVLKVNSFLNHQIDPQLMMTLGQEFARLFKDAGVTRVLTAEAS GIAPGIMAAYCLGVPMVFARKKKPSTVTDAVYTAEVFSYTKQVTNTISVEAKFLDANDRI LVIDDFLANGEAAKGLISLAEQAGAEVVGVGVVVEKAFQGGHDWLVNHGYHLEALASIKE FADGQVIFN