code: public static String getPDBLegend() {
  		StringBuilder s = new StringBuilder();
  		s.append("</pre></div>");
  		s.append("          <div class=\"subText\">");
  		s.append("          <b>Legend:</b>");
  		s.append("          <span class=\"m\">Green</span> - identical residues |");
  		s.append("          <span class=\"sm\">Pink</span> - similar residues | ");
  		s.append("          <span class=\"qg\">Blue</span> - sequence mismatch |");
  		s.append("          <span class=\"dm\">Brown</span> - insertion/deletion |");
  		s.append("      </div>");
  		s.append(String.format("%n"));
  		return s.toString();
  	}
docs: Creates formatted String for displaying conservation legend in PDB output
  
  @return legend String