# OC Root 2nd 3rd 4th PC Gene/Definition OC.380673 Archaea.9186 Crenarchaeota.7430 Staphylothermus.66 smr.1306 smr:Smar_1332 putative oligopeptide transport system substrate-binding protein; K02035 peptide/nickel transport system substrate-binding protein OC.380673 Archaea.9186 Crenarchaeota.7430 Staphylothermus.66 shc.1062 shc:Shell_1116 solute binding protein-like protein; K02035 peptide/nickel transport system substrate-binding protein