>sp|A2C7N3|PURA_PROM3 Adenylosuccinate synthetase OS=Prochlorococcus marinus GN=purA MSLANVVVIGAQWGDEGKGKITDLLSRSADVVVRYQGGVNAGHTIVVDDKVLKLHLIPSG ILYPETICLIGSGTVIDPKVMLKELDMLLENSIDISGLQLASTAHVTMPYHRLLDEAMEQ QRGDQRIGTTGRGIGPTYADKSQRNGIRVLDLLDSQRLRERLRGPLQEKNRLLEQIYGVA PLDSEQVIEEYLGYGQRLAPHVVDCIQTIHQAARSRKNILFEGAQGTLLDLDHGTYPYVT SSNPISGGACIGAGVGPTLIDRVIGVAKAYTTRVGEGPFPTELEGSINEQLCDRGGEFGT TTGRRRRCGWFDGVIGRYAVAVNGLDCLAITKLDVLDELDEIRVCVAYELNGERIEHFPS SAEDFARCHPIFETLPGWQCTTADCRRLEDLPTTAMDYLRFLADLMEVPIAIVSLGANRD QTIVVEDPIHGPKRALLSA