>sp|Q68F20|PUA1B_XENLA Adenylosuccinate synthetase isozyme 1 B OS=Xenopus laevis GN=adss1-b MSGTRASNDRSSHPGAGGHKRPRYDVGNKVTVVLGAQWGDEGKGKVVDLLAMDSDIICRC QGGNNAGHTVVVEGKEYDFHLFPSGIINPKAISFIGNGVVIHLPGLFEEADKNEKKGLKD WEKRLIISDRAHIVCDFHQAVDGLQEVQRQAQEGKNIGTTKKGIGPTYSSKASRTGLRIC DLLSDFDEFSARFKNLAHQYQSMFSNLEVDVDGQLKKLKMYAEKIRPMVRDGVYFMYDAL HGSPKKILVEGANAALLDIDFGTYPFVTSSNCTVGGVCTGLGIPPQNVGNVYGVVKAYTT RVGIGAFPTEQINESGTLLQTRGHEWGVTTGRKRRCGWLDLVILRYAHMINGFTALALTK LDILDVLDEIKVGVAYRLNGKRIPYFPANQEILQKIEVEYEVMPGWKSDTTGARKWDDLP TKAQNYIRFVETHIGVPVKWVGVGKSRESMIELF