# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.164571 Bacteria.278613 Proteobacteria.266381 Deltaproteobacteria.22401 Desulfococcus.5033 dol.1562 dol:Dole_1564 tryptophan synthase, beta subunit; K01696 tryptophan synthase beta chain [EC:4.2.1.20]