Predicted mutation
evidence seq id position mutation annotation gene description
RA REL606 352,377 (G)8→7 intergenic (‑139/+47) frmR ← / ← yaiO regulator protein that represses frmRAB operon/hypothetical protein

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*REL606352,3700G.98.5% 636.0 / 1.7 130intergenic (‑132/+54)frmR/yaiOregulator protein that represses frmRAB operon/hypothetical protein
Reads supporting (aligned to +/- strand):  ref base G (1/1);  new base . (56/72);  total (57/73)
Fisher's exact test for biased strand distribution p-value = 1.00e+00
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 9.81e-01

Only 100 of 170 total aligned reads displayed.

GCATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAGGTCAG  >  REL606/352295‑352441
                                                                           |                                                                        
gCATCCCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAg                                                                          <  2:3434447/76‑1 (MQ=255)
gCATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAg                                                                          <  2:3821633/76‑1 (MQ=255)
 cATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgg                                                                         >  1:1223/1‑76 (MQ=255)
 cATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgg                                                                         >  2:3585044/1‑76 (MQ=255)
 cATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgg                                                                         >  1:1967229/1‑76 (MQ=255)
 cATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgg                                                                         <  2:1958121/76‑1 (MQ=255)
 cATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgg                                                                         >  1:5083257/1‑76 (MQ=255)
  aTACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggg                                                                        <  2:487081/76‑1 (MQ=255)
    aCCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggg                                                                      >  1:1037471/1‑76 (MQ=255)
    aCCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggg                                                                      >  2:961508/1‑76 (MQ=255)
    aCCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggg                                                                      >  2:1629025/1‑76 (MQ=255)
    aCCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggg                                                                      <  2:1412894/76‑1 (MQ=255)
     ccccctTATAGTATATAACACTGGAGAATAAAATTTATCCAGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggg                                                                     <  2:216790/76‑1 (MQ=255)
     ccccccTATAGTATATAACACTGGGGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggg                                                                     >  2:1399047/1‑76 (MQ=255)
     ccccccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggg                                                                     >  2:5201641/1‑76 (MQ=255)
      cccccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggggg                                                                    >  2:2263584/1‑76 (MQ=255)
       ccccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggc                                                                   >  2:2654473/1‑75 (MQ=255)
        cccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAggggggtct                                                                  <  2:692728/76‑4 (MQ=255)
        cccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggct                                                                  <  1:2169738/76‑3 (MQ=255)
        cccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggct                                                                  <  2:3204954/76‑3 (MQ=255)
         ccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggcta                                                                 <  2:5557514/76‑4 (MQ=255)
         ccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggcta                                                                 >  1:5433141/1‑73 (MQ=255)
         ccTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAgggggggcta                                                                 >  1:4274722/1‑73 (MQ=255)
           tataGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAAt                                                              >  1:1186060/1‑76 (MQ=255)
           tataGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAAt                                                              >  2:4361439/1‑76 (MQ=255)
            ataGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATc                                                             >  2:4823506/1‑76 (MQ=255)
            ataGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATc                                                             <  1:3135423/76‑1 (MQ=255)
             taGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCg                                                            >  2:3743298/1‑76 (MQ=255)
             taGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCg                                                            <  2:4619440/76‑1 (MQ=255)
               gTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGc                                                          >  2:2987910/1‑76 (MQ=255)
               gTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGc                                                          >  2:5028676/1‑76 (MQ=255)
                tatataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCa                                                         >  1:3276207/1‑76 (MQ=255)
                tatataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCa                                                         >  2:5979437/1‑76 (MQ=255)
                 atataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAg                                                        <  2:4832083/76‑1 (MQ=255)
                  tataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAgg                                                       >  1:3943018/1‑76 (MQ=255)
                  tataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAgg                                                       <  2:555483/76‑1 (MQ=255)
                   ataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAggg                                                      >  1:2100967/1‑76 (MQ=255)
                   ataACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAggg                                                      <  2:5407673/76‑1 (MQ=255)
                    taACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGa                                                     <  1:3561755/76‑1 (MQ=255)
                    taACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGa                                                     >  1:2206406/1‑76 (MQ=255)
                     aaCACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGaa                                                    <  1:2565644/76‑1 (MQ=255)
                      acacTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAg                                                   <  2:3400517/76‑1 (MQ=255)
                       cacTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGGCTAATCGGCAGGGGAg                                                   >  2:2399229/1‑76 (MQ=255)
                       cacTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAgg                                                  >  1:5578651/1‑76 (MQ=255)
                       cacTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAgg                                                  >  1:1905273/1‑76 (MQ=255)
                       cacTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAgg                                                  <  1:4083059/76‑1 (MQ=255)
                        acTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAGgc                                                 >  1:742182/1‑76 (MQ=255)
                        acTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGgc                                                 <  1:1015458/76‑1 (MQ=255)
                          tGGAGAATAAAATTTATCTGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGgccg                                               <  2:1683245/76‑1 (MQ=255)
                          tGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGgccg                                               <  2:5801641/76‑1 (MQ=255)
                           ggAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGgccgc                                              <  2:947404/76‑1 (MQ=255)
                            gagaATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAGgcggcc                                            >  1:3517336/1‑76 (MQ=255)
                               aaTAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCGCCCCg                                         >  2:6198804/1‑76 (MQ=255)
                                  aaaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCGCGCCCggg                                       >  1:578998/1‑75 (MQ=255)
                                  aaaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCCCCCCgggt                                      >  1:2438807/1‑74 (MQ=255)
                                  aaaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCACCCCCGag                                      >  1:460489/1‑75 (MQ=255)
                                  aaaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGAt                                      <  1:2292692/76‑1 (MQ=255)
                                   aaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATa                                     <  2:6212652/76‑1 (MQ=255)
                                   aaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATa                                     <  1:2903295/76‑1 (MQ=255)
                                   aaaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATa                                     <  1:1747426/76‑1 (MQ=255)
                                    aaTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAg                                    <  1:2631325/76‑1 (MQ=255)
                                     aTTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAg                                                                          <  2:4373544/39‑1 (MQ=255)
                                       ttATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAgcgg                                 >  2:4658777/1‑76 (MQ=255)
                                        tATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCGCCCCCGGGAgcggg                                >  1:1699954/1‑76 (MQ=255)
                                         aTCCGGTGAATGTGGTCGGAAAACAAAGCGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGACAgcgggc                               >  2:1303497/1‑76 (MQ=255)
                                         aTCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAgcgggc                               <  2:5344054/76‑1 (MQ=255)
                                         aTCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAgcgggc                               <  2:4841257/76‑1 (MQ=255)
                                         aTCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAgcgggc                               <  1:2471096/76‑1 (MQ=255)
                                           ccGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGCGCTAATCGGCAGGGAAGGCCGCCCCGGCGAgcgggggg                             >  2:1087833/1‑76 (MQ=255)
                                              gTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCGCCCCGGATAgcggggggggg                          >  1:5612615/1‑73 (MQ=255)
                                              gTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAg                          <  2:4563387/76‑1 (MQ=255)
                                                gAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGaa                        <  2:2402119/76‑1 (MQ=255)
                                                gAATGTGATCGGAAAACAAAGAGGTAAGGAGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGaa                        <  2:1136020/76‑1 (MQ=255)
                                                 aaTGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAGGCCGCCCCCGATAGCGGGGGGgaggag                       >  1:4696128/1‑76 (MQ=255)
                                                 aaTGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAg                       <  1:6273091/76‑1 (MQ=255)
                                                 aaTGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCCGGTAGGGGGGGGGCGAAg                       >  1:6036970/1‑76 (MQ=255)
                                                  aTGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAgg                      <  2:2230309/76‑1 (MQ=255)
                                                  aTGTGGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCCGATAGCGGGCGGCAGCAgg                      >  2:1833094/1‑76 (MQ=255)
                                                   tgtgGTCGGAAAACAAAGAGGAAAGGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAgg                      <  2:5691442/76‑1 (MQ=255)
                                                   tgtgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGa                     <  2:2714036/76‑1 (MQ=255)
                                                    gtgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGaa                    <  2:4041137/76‑1 (MQ=255)
                                                    gtgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGaa                    <  2:5991356/76‑1 (MQ=255)
                                                     tgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGGAGGCCCCCCCCGAAAACCGGCGGCAGCAgggag                   >  2:988206/1‑73 (MQ=255)
                                                     tgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCTGATAACGGGCGGCAGAAGGAAt                   >  2:6110364/1‑76 (MQ=255)
                                                     tgGTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAAt                   <  1:1399047/76‑1 (MQ=255)
                                                      ggTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATc                  <  2:5171306/76‑1 (MQ=255)
                                                      ggTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATc                  <  1:2139358/76‑1 (MQ=255)
                                                      ggTCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGAGCGGCAGAAGGAATc                  <  2:4453189/76‑1 (MQ=255)
                                                        tCGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAg                <  1:4823506/76‑1 (MQ=255)
                                                         cGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGa               <  2:3268429/76‑1 (MQ=255)
                                                         cGGAAAACAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGa               <  1:4178362/76‑1 (MQ=255)
                                                            aaaaCAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCGCCCCCGATAACGGGGGGCCGAAGGAAACaaaaat            >  2:5077631/1‑74 (MQ=255)
                                                             aaaCAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAAttt           <  2:1763577/76‑1 (MQ=255)
                                                                cAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGGCCCCCCCGGTAGCGGGGGGGGGAAGGGAAAAGAAATTCCa        >  1:940838/1‑76 (MQ=255)
                                                                cAAAGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCa        <  1:5199966/76‑1 (MQ=255)
                                                                 aaaGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAg       <  2:950746/76‑1 (MQ=255)
                                                                  aaGAGGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAgg      <  2:4708237/76‑1 (MQ=255)
                                                                   agagGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAGGt     <  1:2812634/76‑1 (MQ=255)
                                                                   agagGAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAGGt     <  1:1239332/76‑1 (MQ=255)
                                                                      ggAAAGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAGGTCAg  <  1:441814/76‑1 (MQ=255)
                                                                           |                                                                        
GCATACCCCCCTATAGTATATAACACTGGAGAATAAAATTTATCCGGTGAATGTGGTCGGAAAACAAAGAGGAAAGGGGGGGGCTAATCGGCAGGGAAGGCCGCCCCGGATAGCGGGCGGCAGAAGGAATCAGAATTTCCAGGTCAG  >  REL606/352295‑352441

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 23 ≤ ATCG/ATCG < 31 ≤ ATCG/ATCG < 36 ≤ ATCG/ATCG < 39 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: