>sp|Q3IYU8|PUR9_CERS4 Bifunctional purine biosynthesis protein PurH OS=Cereibacter sphaeroides GN=purH MTNLVPVGRALLSVSDKSGLLDLARALADLEVELISTGGTAAALRAAGLKVRDVAEVTGF PEMMDGRVKTLHPMVHGGLLALRDDDEHLVAMAAHGIEPIDLLVVNLYPFEAAVARGASY DDCIENIDIGGPAMIRAAAKNHRFVNVVTDTADYKALLDELRAHDGATRLSFRQKLALTA YARTAAYDTAVSTWMAGALKAEAPRRRSFAGTLAQTMRYGENPHQKAAFYTDGSARPGVA TAKQWQGKELSYNNINDTDAAFELVAEFDPAEGPACVIVKHANPCGVARGATLAEAYARA FDCDRVSAFGGIIALNQPLDAATAEKITEIFTEVVIAPGADEEARAIFAAKKNLRLLTTE ALPDPLAPGLAFKQVAGGFLVQDRDAGHVDALDLKVVTKRAPSDAELADLLFAWTVAKHV KSNAIVYVKDGATVGVGAGQMSRVDSTRIAARKSQDMAQALGLAQPLTQGSVVASDAFFP FADGLLAAAEAGATAIIQPGGSMRDDEVIAAADEAGLAMVFTGQRHFRH