# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.183591 Bacteria.251221 Firmicutes.218548 Firmicutes___Bacilli.191696 Streptococcus.16836 Streptococcus_suis.3545 ssu.2010 ssu:SSU05_2026 amino acid permease; K03293 amino acid transporter, AAT family