>sp|P46354|PUNA_BACSU Purine nucleoside phosphorylase 1 OS=Bacillus subtilis GN=punA MKDRIERAAAFIKQNLPESPKIGLILGSGLGILADEIENPVKLKYEDIPEFPVSTVEGHA GQLVLGTLEGVSVIAMQGRFHFYEGYSMEKVTFPVRVMKALGVEALIVTNAAGGVNTEFR AGDLMIITDHINFMGTNPLIGPNEADFGARFPDMSSAYDKDLSSLAEKIAKDLNIPIQKG VYTAVTGPSYETPAEVRFLRTMGSDAVGMSTVPEVIVANHAGMRVLGISCISNAAAGILD QPLSHDEVMEVTEKVKAGFLKLVKAIVAQYE