Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_002947 743,443 T→A 7.1% intergenic (+119/+155) PP_0635 → / ← PP_0636 group II intron‑encoding maturase/cold shock DNA‑binding domain‑containing protein

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_002947743,4430TA 7.1% 163.0 / 4.8 57intergenic (+119/+155)PP_0635/PP_0636group II intron‑encoding maturase/cold shock DNA‑binding domain‑containing protein
Reads supporting (aligned to +/- strand):  ref base T (25/27);  new base A (2/2);  total (28/29)
Fisher's exact test for biased strand distribution p-value = 1.00e+00
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 3.71e-01

CCGGCTTAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGCTAAGCCGAGTGAGGCATTCGA  >  NC_002947/743303‑743592
                                                                                                                                            |                                                                                                                                                     
ccGGCTTAGTCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCCCAGGGTCCCGCTATGTGAAGCAACCTTCGGTTGCGt                                                                                                                                              <  1:740859/150‑1 (MQ=18)
  ggCTTAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTa                                                                                                                                            >  1:140681/1‑150 (MQ=255)
     ttAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACAt                                                                                                                                         >  2:212224/1‑150 (MQ=255)
     ttAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACAt                                                                                                                                         >  2:533258/1‑150 (MQ=255)
      tAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATa                                                                                                                                        <  1:530285/150‑1 (MQ=255)
           gcgTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGa                                                                                                                                   <  2:140681/150‑1 (MQ=255)
                 ccTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGAcacaca                                                                                                                             <  1:533258/150‑1 (MQ=255)
                 ccTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGATAGGTGAAGCAACCTTCGGTTGCGTTACATAGCGGAcacaca                                                                                                                             >  1:498994/1‑150 (MQ=255)
                  cTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAg                                                                                                                            >  1:490147/1‑150 (MQ=255)
                                aCGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGcc                                                                                                              >  1:644843/1‑150 (MQ=255)
                                 cGGAACCGTACGCACGGTTGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCGGCCTTGTGTGCCCGCTAGGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTTACTTGCCg                                                                                                             <  2:295960/150‑1 (MQ=255)
                                    aaCCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCgggg                                                                                                          <  1:688525/150‑1 (MQ=255)
                                             cACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACtt                                                                                                 <  1:212224/150‑1 (MQ=255)
                                              aCGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTg                                                                                                <  1:561689/150‑1 (MQ=255)
                                               cGGTGGTTTTAGAGGACGGCGGGTGTGCCCCAGACTCCTCCCCGCTTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTgg                                                                                               <  2:498994/150‑1 (MQ=255)
                                                       tgAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCgcggcg                                                                                       >  2:53171/1‑150 (MQ=255)
                                                           agGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGtgtg                                                                                   >  1:3177/1‑150 (MQ=255)
                                                            ggACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCCTTATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTgg                                                                                  <  1:196388/150‑1 (MQ=255)
                                                               cggcggGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGc                                                                               <  2:644843/150‑1 (MQ=255)
                                                                ggcggGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGt                                                                                              <  2:280406/134‑1 (MQ=255)
                                                                ggcggGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTGCTGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGt                                                                                              >  1:280406/1‑134 (MQ=255)
                                                                 gcggGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCag                                                                             >  2:57545/1‑150 (MQ=255)
                                                                   gggTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGAagag                                                                           >  2:166529/1‑150 (MQ=255)
                                                                     gtgtGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCag                                                                             >  1:515358/1‑146 (MQ=255)
                                                                     gtgtGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCag                                                                             >  1:515284/1‑146 (MQ=255)
                                                                     gtgtGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCac                                                                             <  2:515284/146‑2 (MQ=255)
                                                                     gtgtGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCac                                                                             <  2:515358/146‑2 (MQ=255)
                                                                           aTCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAgg                                                                   >  2:23422/1‑150 (MQ=255)
                                                                               gCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAg                                                               <  1:397340/150‑1 (MQ=255)
                                                                                    ctACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCgg                                                                                                                                                    >  1:685562/1‑60 (MQ=255)
                                                                                    ctACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCgg                                                                                                                                                    <  2:685562/60‑1 (MQ=255)
                                                                                        tCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAg                                                      >  1:139338/1‑150 (MQ=255)
                                                                                          gATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGtc                                                    <  2:501796/150‑2 (MQ=255)
                                                                                            ttGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGc                                                  <  2:718747/150‑1 (MQ=255)
                                                                                                gcgAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCggg                                                                                                           >  1:81123/1‑89 (MQ=255)
                                                                                                gcgAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCggg                                                                                                           <  2:81123/89‑1 (MQ=255)
                                                                                                  gAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACATCGTCGTGACTTGCCGGGGAAACTATGTGGTCGTGGCGTGGGGAGCAGAGGGTGGAGGGGGGGGGTTACAGGGGCGGttct                                            >  2:345171/1‑148 (MQ=255)
                                                                                                    aaTCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGAAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCaa                                          <  1:166529/150‑1 (MQ=255)
                                                                                                    aaTCAGACCTGACTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCaa                                          <  2:227967/150‑1 (MQ=255)
                                                                                                      tCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAg                                                                                >  1:374006/1‑110 (MQ=255)
                                                                                                      tCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAg                                                                                <  2:374006/110‑1 (MQ=255)
                                                                                                         gACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCaa                                          >  2:603169/1‑145 (MQ=255)
                                                                                                         gACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCaa                                          <  1:603169/145‑1 (MQ=255)
                                                                                                            cTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCtt                                  >  1:560405/1‑150 (MQ=255)
                                                                                                            cTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCtt                                  >  1:315792/1‑150 (MQ=255)
                                                                                                             tGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCa                                                                              <  1:317203/105‑1 (MQ=255)
                                                                                                             tGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCa                                                                              >  2:317203/1‑105 (MQ=255)
                                                                                                             gacgctgtgtgTCCGCTATGTAACGCAACCGAAGGTTGCTTCACATAGCGGGCACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTg                                 <  2:338649/145‑1 (MQ=21)
                                                                                                             gacgctgtgtgTCCGCTATGTAACGCAACCGAAGGTTGCTTCACATAGCGGGCACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTg                                 >  1:338649/6‑150 (MQ=21)
                                                                                                               ccTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGc                               <  1:23422/150‑1 (MQ=255)
                                                                                                                 ttGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAg                                                                    >  2:450705/1‑111 (MQ=255)
                                                                                                                 ttGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAg                                                                    <  1:450705/111‑1 (MQ=255)
                                                                                                                       gCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCTTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGc                       <  1:12655/150‑1 (MQ=255)
                                                                                                                        tccGCTATGTAACGCAACCGAAGGTTGCTTCACATAGCGGGCACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCaga                                                                            <  1:740279/95‑1 (MQ=17)
                                                                                                                        tccGCTATGTAACGCAACCGAAGGTTGCTTCACATAGCGGGCACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCaga                                                                            >  2:740279/2‑96 (MQ=17)
                                                                                                                         ccGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGCTa                     >  1:96863/1‑150 (MQ=255)
                                                                                                                                 tgAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGCTAAGCCGAGt             >  1:367243/1‑150 (MQ=255)
                                                                                                                                           ttCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGt                                                            <  2:319615/93‑1 (MQ=255)
                                                                                                                                           ttCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGt                                                            >  1:319615/1‑93 (MQ=255)
                                                                                                                                            tCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGCTAAGCCGAGTGAGGCATTCGa  <  2:3177/150‑1 (MQ=255)
                                                                                                                                            |                                                                                                                                                     
CCGGCTTAGCCGCGTAACCTGAACCGCCGTGTACGGAACCGTACGCACGGTGGTGTGAGAGGACGGCGGGTGTGAATCCGCCTCCTACTCGATTGCGCGAAATCAGACCTGCCTTGTGTGCCCGCTATGTGAAGCAACCTTCGGTTGCGTTACATAGCGGACACACAGCGTCGTGACTTGCCGGGGAAACTACTTGGTCGCGGCGTGTGGAGCAGAGACTGTAGGGGAGCGTTGACAGTGGCGGTTTCAAGCTAGCTTGGCGGTCACGCTAAGCCGAGTGAGGCATTCGA  >  NC_002947/743303‑743592

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 12 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 41 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: