>sp|B9IJ21|PURA_POPTR Adenylosuccinate synthetase, chloroplastic OS=Populus trichocarpa GN=PURA MNLSSLRLESNPRWSYHAAHFPAHHGLNPSFRRNFVSCSSIKPSASSSLSVAESFTRDSA SRIESLSQVSGVLGSQWGDEGKGKLVDILAEHFDIVARCQGGANAGHTIYNSEGKKFALH LVPSGILNEDTLCVIGNGVVVHLPGLFKEIDGLEANGVSCTGRILVSDRAHLLFDFHQEV DGLREAELAKSFIGTTRRGIGPCYSSKVIRNGIRVCDLRHMDTFPQKLDALLSDVASRFE SFKYGPEMLKEEVERYKRFAERLEPFITDTVHFMNESIAKKKKILVEGGQATMLDIDFGT YPFVTSSSPSAGGICTGLGIAPRVVGDLIGVVKAYTSRVGSGPFPTEILGQGGDLLRFAG QEFGTTTGRPRRCGWLDVVALKYVCQINGFSSLNLTKLDVLSEFSEIQIGVSYKQIDGTP VESFPGDLCLLEQLKVDYEVLPGWKSDISSIRKYADLPKAAQQYVERIEELVGVPIHYIG IGPGRDALIYK