code: public static String getPDBCharacter(boolean web, char c1, char c2, boolean similar, char c) {
  		String s = String.valueOf(c);
  		return getPDBString(web, c1, c2, similar, s, s, s, s);
  	}
docs: Creates formatted String for a single character of PDB output
  
  @param web true for HTML display
  @param c1 character in first sequence
  @param c2 character in second sequence
  @param similar true if c1 and c2 are considered similar compounds
  @param c character to display
  @return formatted String