# OC Root 2nd 3rd 4th PC Gene/Definition OC.29785 Eukaryotes.73206 Animals.192197 Nematodes.21700 tsp.530 tsp:Tsp_00354 cystathionine beta-synthase; K01697 cystathionine beta-synthase [EC:4.2.1.22] OC.29785 Eukaryotes.73206 Animals.192197 Nematodes.21700 tsp.530 tsp:Tsp_13505 cystathionine beta-synthase; K01697 cystathionine beta-synthase [EC:4.2.1.22]