>d1b6sb1 b.84.2.1 (B:277-355) N5-carboxyaminoimidazole ribonucleotide synthetase, AIRC, PurK {Escherichia coli} nnpsvminligsdvnydwlklplvhlhwydkevrpgrkvghlnltdsdtsrltatleali pllppeyasgviwaqskfg