code: @Override
  	public void toPDB(StringBuffer buf){
  		//          1         2         3         4         5         6         7
  		//01234567890123456789012345678901234567890123456789012345678901234567890123456789
  		//HEADER    COMPLEX (SERINE PROTEASE/INHIBITORS)    06-FEB-98   1A4W
  		//TITLE     CRYSTAL STRUCTURES OF THROMBIN WITH THIAZOLE-CONTAINING
  		//TITLE    2 INHIBITORS: PROBES OF THE S1' BINDING SITE
  
  		printHeader(buf);
  		printTitle(buf);
  		printExpdata(buf);
  		printAuthors(buf);
  		printResolution(buf);
  
  	}
docs: Appends a PDB representation of the PDB header to the provided StringBuffer
  
  @param buf