# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanosarcina.1938	Methanosarcina_barkeri.2327	mba.3151	mba:Mbar_A3291   phosphoribosylaminoimidazole-succinocarboxamide synthase
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanosarcina.1938	Methanosarcina_barkeri.2327	mbw.1445	mbw:MSBRW_1442   Phosphoribosylaminoimidazole-succinocarboxamide synthase
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanosarcina.1938	Methanosarcina_siciliae.1493	msj.2715	msj:MSSAC_2896   Phosphoribosylaminoimidazole-succinocarboxamide synthase
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanosarcina.1938	Methanosarcina_siciliae.1493	msz.2533	msz:MSSIH_2551   Phosphoribosylaminoimidazole-succinocarboxamide synthase
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanosarcina.1938	Methanosarcina_siciliae.1493	msw.2555	msw:MSSIT_2594   Phosphoribosylaminoimidazole-succinocarboxamide synthase
OC.278589	Archaea.26090	Euryarchaeota.28991	Methanocella.3817	-	rci.2355	rci:RCIX747   putative purine biosynthesis protein (SAICAR synthetase family)