2.9.1.2	pyridoxal 5'-phosphate	pyridoxal 5'-phosphate is covalently bound to the conserved Lys278	694428	
2.9.1.2	pyridoxal 5'-phosphate	pyridoxal 5'-phosphate–dependent mechanism of Sec-tRNASec formation. Each SepSecS monomer has a pyridoxal 5'-phosphate cofactor covalently linked to the Nepsilon-amino group of the conserved Lys284 by means of formation of a Schiff base	695136	
2.9.1.2	pyridoxal 5'-phosphate	the enzyme needs pyridoxal 5'-phosphate to carry out the conversion of O-phosphoserine to selenocysteine	694847