2.9.1.2 Aminoacyl-tRNA biosynthesis - 00970 2.9.1.2 L-selenocysteine biosynthesis II (archaea and eukaryotes) - - 2.9.1.2 Metabolic pathways - 01100 2.9.1.2 Selenocompound metabolism - 00450 2.9.1.2 selenocysteine biosynthesis selenocysteine biosynthesis -