code: public int getCoverage2(){
  		if ( myResultsSimilarity2 < 0 ) {
  
  
  			int distance = ca1Length + ca2Length - 2 * getNrEQR();
  
  			int similarity = (ca1Length + ca2Length - distance ) / 2;
  			myResultsSimilarity2 = Math.round(similarity /(float) ca2Length * 100);
  		}
  		return myResultsSimilarity2;
  
  	}
docs: Get the coverage of protein 2 with the alignment
  
  @return percentage of coverage, between 0 and 100.