# OC Root 2nd 3rd 4th PC Gene/Definition OC.166758 Archaea.1289 Crenarchaeota.16777 Staphylothermus.779 smr.418 smr:Smar_0419 Appr-1-p processing domain protein OC.166758 Archaea.1289 Crenarchaeota.16777 Staphylothermus.779 shc.366 shc:Shell_0384 Appr-1-p processing domain protein