>2btu_A mol:protein length:346 PHOSPHORIBOSYL-AMINOIMIDAZOLE SYNTHETASE MANAYKQAGVDIEAGYEAVSRMKKHVQTTMRKEVLGGLGGFGGMFDLSKFALEEPVLVS GTDGVGTKLMLAFMADKHDTIGIDAVAMCVNDIVVQGAEPLFFLDYIACGKAEPSKIEN IVKGISEGCRQAGCALIGGETAEMPGMYSTEEYDLAGFTVGIVDKKKIVTGEKIEAGHV LIGLASSGIHSNGYSLVRKVLLEDGELSLDRIYGRLELPLGEELLKPTKIYVKPILELL KNHEVYGMAHITGGGFIENIPRMLPEGIGAEIELGSWKIQPIFSLLQEVGKLEEKEMFN IFNMGIGMVVAVKEEDAKDIVRLLEEQGETARIIGRTVQGAGVTFNGGKAL