>sp|B1XNE9|PUR7_PICP2 Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Picosynechococcus sp. GN=purC MSEHHPEKRYEGKAKILYSTADSDVLLTYFKDDATAFNAQKKGTIQGKGEMNCTIAAALL QWLETQGIPTHFIEQTKADEMLVKAVKILPVEVVVRNIAAGSLCKQTGLAQGTVLPQPLV EFYLKDDNLGDPLLTRDRLMLLQIVTAEQLAQLQDYALRINGLMQGFFARCQITLVDFKI EFGTDKTGTILLADEISPDTCRLWDQTETDPNLRVMDKDRFRQDLGNIENAYQTVQARVL AQVQQLQSLA