>tr|C2GXA1|C2GXA1_BIFLN Phosphoribosyl-ATP pyrophosphatase OS=Bifidobacterium longum subsp. longum ATCC 55813 GN=hisE MKTFESLFAELSEKAQTRPEGSLTVDELDKGTHFIGKKIIEEAGETWMAAEYEGADRTAE EMSQLLYHVQVMMIKHGLTLEDVYKHL