# OC Root 2nd 3rd 4th PC Gene/Definition OC.508253 Archaea.12313 Crenarchaeota.8145 Staphylothermus.1327 shc.88 shc:Shell_0090 Cobyrinic acid ac-diamide synthase OC.508254 Archaea.5722 Crenarchaeota.10884 Staphylothermus.1192 smr.693 smr:Smar_0704 Cobyrinic acid a,c-diamide synthase OC.508254 Archaea.5722 Crenarchaeota.10884 Staphylothermus.1192 shc.87 shc:Shell_0089 Cobyrinic acid ac-diamide synthase