document.write("<a href='javascript:void(0)' onclick='window.open(\"https://chemapps.stolaf.edu/jmol/jmol.php?source=https://ib.bioninja.com.au/_Media/pdb/ser.pdb&width=100%&height=100%\",\"\",\"width=600,height=600,scrollbars=no\")'>• Serine (polar amino acid)</a>");