>sp|Q21HA8|PURA_SACD2 Adenylosuccinate synthetase OS=Saccharophagus degradans GN=purA MGKNVVVLGTQWGDEGKGKIVDLLTEKVSQVARFQGGHNAGHTLVIEGKKTVLHLIPSGI LHDGVTCMIGNGVVLSPEALIKEIEELEANGVEVRSKLKLSPACPLILPYHVALDLARES KRGDAKIGTTGRGIGPAYEDKVSRRGLRLGDLLNEQRFAAKLAEVLEYHNFALTQYYGAE PVDYQEVLNKALELGAQLRPMIADVVDMLHTSRENGEHILFEGAQGSLLDIDHGTYPFVT SSNTTAGGTATGSGFGPLYLDYVLGITKAYTTRVGSGPFPTELECDVGKHLGEKGHEFGA TTGRQRRTGWFDAVAVRHAVRINSMTGMCLTKLDVLDGLSEVKICVGYKDSNGAVIGIPC DAEGWADVQPVYESMPGWTASTVGAKTMEELPVEAVNYIRRLEELVGIPADIISTGPDRV ETIVLRHPFEG