# OC Root	2nd	3rd	PC	Gene/Definition
OC.29799	Archaea.4284	Thaumarchaeota.8691	csu.1670	csu:CSUB_C1722   cysteine synthase A; K01738 cysteine synthase [EC:2.5.1.47]
OC.29799	Archaea.94282	Thaumarchaeota.7833	csu.683	csu:CSUB_C0704   cysteine synthase B; K12339 S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent) [EC:2.5.1.144]