$mysql->query(qq{SELECT * FROM protein WHERE accession_code = '$accession_code'});
        
        print $mysql->has_selected_record(), "\n";
       
          if ($mysql->has_selected_record() == 1) {
              
              $id = $mysql->query (qq{INSERT INTO protein (accession_code, name_of_protein, length_of_protein) 
                            
       VALUES('$accession_code', '$name_of_protein', '$length_of_protein')});
               
 print "return value insert protein: ", $id, "\n";
                 
                 
            $id_pep = $mysql->query(qq{INSERT INTO peptide (startpos_in_proteinseq, endpos_in_proteinseq, peptide_seq, expect_val, length_of_peptideseq)
               
                   VALUES ('$startpos_in_proteinseq', '$endpos_in_proteinseq', '$peptide_seq', '$expect_val', '$length_of_peptideseq')});
                
  print "return value insert peptide: ", $id_pep, "\n";
                
  
                
  print "Affected row:", $mysql->get_affected_rows_length, "\n";
#                
  print $mysql->get_error_message if $mysql->is_error, "\n";
                
  print "\n";
            
            
          } else {
              
              print "don't do anything, ENTRY !!!!!!!! is already in the database \n";
            
          
          }