>sp|C6BVA6|PUR7_MARSD Phosphoribosylaminoimidazole-succinocarboxamide synthase OS=Maridesulfovibrio salexigens GN=purC MSKHVVETDIKELKLLSRGKVRDIYEVDDDKLLLVTTDRISAYDVIMPNPIDDKGKILNQ ITLFWMDMFKDIIPNHLIASKVDDYPEVLHKYRDQLEGRSVLVKKAKPLPIECIVRGYIT GSGWKDYQKTGEVCGHKLPEGLKESEMLEQPLFTPSTKAELGEHDENISVEKATEMLGKE LFDKVQEATLSIYKRGRDYAREKGIIIADTKFEFGIYDGELIIIDEVLTPDSSRFWPVEG YEAGKSQPSFDKQFLRDWLTEINFNKQPPAPEVPEEIATKTRDKYMEAFTLLTESELDA