pyrrolysine, l-pyrrolysine, pyl, c12h21n3o3 molecule. it is amino acid, is used in biosynthesis of proteins. structural chemical

archaea atom atomic c12h21n3o3 cage carbon chemical chemistry drawing flat formula genetic hydrogen icon illustration lpyrrolysine lysine methanogenic methyltransferase molecular molecule nitrogen notebook organic oxygen peptide protein proteinogenic pyl pyrrolysine sheet structural structure vector