# OC Root 2nd 3rd 4th PC Gene/Definition OC.181581 Bacteria.309418 Spirochaetes.31656 Treponema.12509 tsu.524 tsu:Tresu_0482 Phosphoribosylaminoimidazole-succinocarboxamides ynthase; K01923 phosphoribosylaminoimidazole-succinocarboxamide synthase [EC:6.3.2.6]