>sp|A4XKZ2|PUR9_CALS8 Bifunctional purine biosynthesis protein PurH OS=Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903 / Tp8T 6331) OX=351627 GN=purH PE=3 SV=1 MTKKAIISVYNKDGILEFAKELKNLGYEIISTGGTMKYLKENRIDVINISDVTNFPEILD GRVKTLHPNIHAGILAIKDNEEHVKTLNDLNISTIDMVVVNLYPFKETIFRENVAFEDVI ENIDIGGPTMLRAAAKNFKYITVIIDPADYGLVLKEIKENGDVSFETRFYLATKVFEYTA YYDSMIFNYFKYIRGDKSFPDYLTVPLETVQKLRYGENPHQQASFYKITLPFIEKSNIAN AEQLHGKDLSYNNILDSDSAIELLKEFDEPTCVAIKHNNPCGVASGDNIFEAYKKVYNSD PVSIFGGIVAFNRKVDRQTAEELKKIFLEIVIAPDFDEDALSLLSTKKDLRILKLLTLDK TDVYYDVKSVNGGMLVQEKDRKLLNEDYQVVTERRPTEKEIEDLIFAWKVVKHVKSNAIV IAKDKMTLGIGMGQTNRIWAVEHAISRSRFDLNGAVLASDAFFPFSDSVEAAGKAGITAI IQPGGSIRDKESIDAANKYNIAMIFTGIRHFRH