>sp|P56137|PURA_HELPY Adenylosuccinate synthetase OS=Helicobacter pylori GN=purA MADVVVGIQWGDEGKGKIVDRIAKDYDFVVRYQGGHNAGHTIVHKGVKHSLHLMPSGVLY PKCKNIISSAVVVSVKDLCEEISAFEDLENRLFVSDRAHVILPYHAKKDAFKEKSQNIGT TKKGIGPCYEDKMARSGIRMGDLLDDKILEEKLNAHFKAIEPFKKAYDLGENYEKDLMGY FKTYAPKICPFIKDTTSMLIEANQKGEKILLEGAQGTLLDIDLGTYPFVTSSNTTSASAC VSTGLNPKAINEVIGITKAYSTRVGNGPFPSEDTTPMGDHLRTKGAEFGTTTKRPRRCGW LDLVALKYACALNGCTQLALMKLDVLDGIDAIKVCVAYERKGERLEIFPSDLKDCVPIYQ TFKGWEKSVGVRKLDDLEPNVREYIRFIEKEVGVKIRLISTSPEREDTIFL