# OC Root 2nd 3rd 4th PC Gene/Definition OC.57189 Archaea.46274 Crenarchaeota.18044 Thermofilum.27 thb.1877 thb:N186_09665 hypothetical protein; K01995 branched-chain amino acid transport system ATP-binding protein OC.57189 Archaea.46274 Crenarchaeota.18044 Thermofilum.27 tcb.1022 tcb:TCARB_1053 ABC transporter-like protein; K01995 branched-chain amino acid transport system ATP-binding protein