Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_002947 5,751,746 A→C 9.0% intergenic (‑184/‑287) thiI ← / → glnA tRNA sulfurtransferase/glutamine synthetase

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0029475,751,7460AC 9.0% 150.9 / 7.4 56intergenic (‑184/‑287)thiI/glnAtRNA sulfurtransferase/glutamine synthetase
Reads supporting (aligned to +/- strand):  ref base A (30/21);  new base C (3/2);  total (33/23)
Fisher's exact test for biased strand distribution p-value = 1.00e+00
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 6.04e-01

CGCGAATTATATCGGAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAACGCCCCCTTTTA  >  NC_002947/5751602‑5751892
                                                                                                                                                |                                                                                                                                                  
cgcgAATTATATCGGAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCgg                                                                                                                                                <  6:330746/149‑1 (MQ=255)
cgcgAATTATATCGGAAAATGCTCAGGATTTGACCAACTTTTGATCAGAAGCTGTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCgg                                                                                                                                                <  3:315122/149‑1 (MQ=255)
  gaaagtgcacccttacgatgcgttttttgatcgtgtcgcaccaatagggtgcgtggcgtgagtggtgtGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGTTGCAAAGCCCGTAGGAGCGGGt                                                                                                                                              >  7:59538‑M1/69‑149 (MQ=255)
   gAATTATATCGGAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCTCTTCGCGGGTAAACCCGCTCCTACGGGCTTTGCACCGCCTGTAGGCGCGGGtt                                                                                                                                             <  2:318112/149‑1 (MQ=25)
      gggcacccagacgatgcgttttttgatcgtgtcgcaccaatagggtgcgtggcgtgagtggtctGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTAc                                                                                                                                          >  8:360798‑M1/65‑149 (MQ=255)
           tCGGAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCcgc                                                                                                                                      >  3:119440/1‑148 (MQ=255)
              gAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACCGGCGGTGCAAAGCCCGTATGAGCGGGTTTACCcgcg                                                                                                                                     >  1:23914/1‑146 (MQ=255)
                 aTTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAgg                                                                                                                               <  2:119216/149‑1 (MQ=255)
                  ttccgcAGGATTTGACCAACTTTTGATCAGCAGCTTTCAGATAAATCCAGAGGCCAGGTTTTGCACCGCCTGTCCCGGCCCTTTCGCGGGTAACCCCGCGCCTACCGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGc                                                                                                                              <  8:119685/144‑1 (MQ=37)
                  ttGCTCAGGATTTGCCAAACTTTAGATCAGACTCGTTGAGATAAATGCTCAGGCCAGGTCTTGCCGCCCCTGTGCCGTCCCTTGCGCGGGTAAACCCGCGCCTACAGGCGGTGCAATGCCCGTAGCAGCGGGTTTACCCGCGAAGAGGc                                                                                                                              <  8:66484/149‑1 (MQ=25)
                      tCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTAccc                                                                                                                                        <  4:286769/135‑1 (MQ=255)
                      tCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTAccc                                                                                                                                        >  3:286769/1‑135 (MQ=255)
                       cAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGccc                                                                                                                            >  5:311226/1‑146 (MQ=255)
                       cAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGccc                                                                                                                            >  2:26638/1‑146 (MQ=255)
                               gACCAAGTTTTGATCATAAGATTTGAGAAAATTGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCTTTTCGCGGTTAACCCCGGGCCTACTGGCGGTGAAAAGCCGGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTgg                                                                                                                  <  2:376513/148‑1 (MQ=37)
                               gACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTgg                                                                                                                  <  1:26638/148‑1 (MQ=255)
                               gACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTAAAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCAAGAACCTgg                                                                                                                  >  1:376513/1‑148 (MQ=255)
                                aCCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTTAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGa                                                                                                                                                    >  1:123267/1‑113 (MQ=255)
                                aCCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGa                                                                                                                                                    <  2:123267/113‑1 (MQ=255)
                                  cAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGcaca                                                                                                              <  5:26072/149‑1 (MQ=255)
                                              aGAAGCTTTTATATAAATGCAGAGGCCAGGTGTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGGGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTcacgcc                                                                                                   <  8:112419/148‑1 (MQ=255)
                                               gAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTcacgccac                                                                                                 >  4:183561/1‑149 (MQ=255)
                                                aaGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCAcacca                                                                                                           >  8:319514/1‑138 (MQ=255)
                                                aaGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCAcacca                                                                                                           <  7:319514/138‑1 (MQ=255)
                                                     ttGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCTCCTACGGGCTTTGCACCGCCTGTAGGCGCggg                                                                                                                                               >  6:275870/1‑97 (MQ=18)
                                                     ttGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCTCCTACGGGCTTTGCACCGCCTGTAGGCGCggg                                                                                                                                               <  5:275870/97‑1 (MQ=18)
                                                     ttGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCCCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGGTTTCCCGCGAAGAGGCCCTAGAACCTGGCCAACCCCTCACgccccgcccc                                                                                            >  4:364814/1‑148 (MQ=38)
                                                      tGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCAccc                                                                                           <  6:171573/148‑1 (MQ=255)
                                                       gagaTAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCAcccaa                                                                                         >  3:351054/1‑147 (MQ=255)
                                                            aaaTGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGt                                                                                    >  8:365601/1‑149 (MQ=255)
                                                              aTGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGc                                                                                  <  4:351054/149‑1 (MQ=255)
                                                                 cAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGa                                                                                >  1:1143/1‑148 (MQ=255)
                                                                  agagGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAAACCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGAGGGTTTACCCGCGCAGAGGCCCGATACCCTGGCACACCACTCCCGCCACGCCCCCTATTGGTGCGaca                                                                              >  3:41122/1‑149 (MQ=37)
                                                                    agGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGacac                                                                             >  6:275918/1‑148 (MQ=255)
                                                                               tGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAAc                                                                  <  3:183561/148‑1 (MQ=255)
                                                                                 cAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCa                                                               >  7:89101/1‑149 (MQ=255)
                                                                                  aGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACCCCCCTCACGCCCCGCACCCTATTGGTGCGACACGATCAAAAAACGCAt                                                              >  1:144650/1‑149 (MQ=255)
                                                                                  aGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCGATTGGTGCGACACGATCAAAAAACGCAt                                                              >  2:94260/1‑149 (MQ=255)
                                                                                       cTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACACGCCGTGCAACCCCCGTAGGAGCCGGTTAACCCGCGAAGAGGCCCGACCACCTCCCACCCCACGCCCGCCCCGCACCCAAATGGTGCGCCCCGCTCAAAAAACGCCTCGTaa                                                         >  8:167669/1‑149 (MQ=16)
                                                                                          ttCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAGACGCATCGTAAgg                                                       <  4:119440/148‑1 (MQ=255)
                                                                                             cGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTg                                                    <  7:365601/148‑1 (MQ=255)
                                                                                                 ccTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACtt                                               <  2:23914/149‑1 (MQ=255)
                                                                                                        cgGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCg                                        >  3:341426/1‑149 (MQ=255)
                                                                                                                cccGCTCCTACGGGCTTTGCACCGCCTGTAGGCGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAAccc                                 >  2:124658/1‑148 (MQ=37)
                                                                                                                 ccGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTAATGGTGCGACACGATCAAAAAACCCATCGTAAGGGACCACTTACACCCGCTAACCCa                                >  7:145349/1‑148 (MQ=255)
                                                                                                                  cgctCCTACGGGCTTTGCACCGCCTGTAGGCGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTAACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAAc                              >  2:389059/1‑149 (MQ=37)
                                                                                                                     gacTACAGGCGGTGCAAAGACGGTAGTAGCGGGTTTACACGAGAAGAGGCAATAGAACCTGGCACACCACTCACGACACGCACCCTATTGGAGCGACACGATCAAAAAACTCATCGTAAGGGTGAACTTTCAAACGCTAACCCAgcgc                            >  8:331630/3‑148 (MQ=255)
                                                                                                                       cTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCAt                                                              <  3:178099/112‑1 (MQ=255)
                                                                                                                       cTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCAt                                                              >  4:178099/1‑112 (MQ=255)
                                                                                                                             gCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCAcc                                                                                            <  6:55235/76‑1 (MQ=255)
                                                                                                                             gCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCAcc                                                                                            >  5:55235/1‑76 (MQ=255)
                                                                                                                             gCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCAc                   >  5:36168/1‑149 (MQ=255)
                                                                                                                                gTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGc                 >  1:180336/1‑148 (MQ=255)
                                                                                                                                   cAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTATAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAAc             <  5:275918/149‑1 (MQ=255)
                                                                                                                                   cAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAAc             >  3:361308/1‑149 (MQ=255)
                                                                                                                                    aaaGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAACg            >  3:300641/1‑149 (MQ=255)
                                                                                                                                        cccGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAACGcccc        >  2:310113/1‑149 (MQ=255)
                                                                                                                                              ggAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAACGCCCCCTTTTa  <  4:341426/149‑1 (MQ=255)
                                                                                                                                                |                                                                                                                                                  
CGCGAATTATATCGGAAATTGCTCAGGATTTGACCAACTTTTGATCAGAAGCTTTGAGATAAATGCAGAGGCCAGGTTTTGCAGCGCCTGTTCCGGCCCTTTCGCGGGTAAACCCGCGCCTACAGGCGGTGCAAAGCCCGTAGGAGCGGGTTTACCCGCGAAGAGGCCCTAGAACCTGGCACACCACTCACGCCACGCACCCTATTGGTGCGACACGATCAAAAAACGCATCGTAAGGGTGCACTTTCACCCGCTAACCCAACGCCAAATGCACGCAAACGCCCCCTTTTA  >  NC_002947/5751602‑5751892

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 14 ≤ ATCG/ATCG < 15 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 36 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: