2.9.1.2 Aminoacyl-tRNA biosynthesis - 2.9.1.2 L-selenocysteine biosynthesis II (archaea and eukaryotes) - 2.9.1.2 Metabolic pathways - 2.9.1.2 Selenocompound metabolism - 2.9.1.2 selenocysteine biosynthesis selenocysteine biosynthesis