Predicted mutation
evidence seq id position mutation annotation gene description
RA NC_000913 3,393,106 Δ1 bp intergenic (‑3443/+857) tldD ← / ← cafA TldD/CafA

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0009133,393,1030T.97.6% 553.7 / 2.2 128intergenic (‑3440/+860)tldD/cafATldD/CafA
Reads supporting (aligned to +/- strand):  ref base T (0/3);  new base . (86/38);  total (87/41)
Fisher's exact test for biased strand distribution p-value = 3.20e-02
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 1.00e+00

Only 100 of 136 total aligned reads displayed.

CGTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACTGTG  >  NC_000913/3393028‑3393174
                                                                           |                                                                       
cgTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGt                                                                         >  2:2741972/1‑76 (MQ=255)
cgTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGt                                                                         >  2:2756492/1‑76 (MQ=255)
cgTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGt                                                                         <  2:1727110/76‑1 (MQ=255)
 gTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGtt                                                                        <  1:3272550/76‑1 (MQ=255)
  tAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGttt                                                                       >  1:1248486/1‑76 (MQ=255)
   aaTATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGtttc                                                                      >  1:3660997/1‑75 (MQ=255)
    atatGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGtttca                                                                     >  2:2960857/1‑74 (MQ=255)
    atatGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGtttca                                                                     <  1:1000823/76‑3 (MQ=255)
        gcgcGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCa                                                                >  1:4332425/1‑76 (MQ=255)
        gcgcGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCa                                                                <  1:2929701/76‑1 (MQ=255)
        gcgcGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCa                                                                <  2:2550731/76‑1 (MQ=255)
         cgcgGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAg                                                               >  2:2506588/1‑76 (MQ=255)
          gcgGTCAGATTATCCACCGACAGCGTATGTGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGa                                                              <  1:2638331/76‑1 (MQ=255)
           cgGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGAc                                                             >  2:3509480/1‑76 (MQ=255)
           cgGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGAc                                                             >  1:2749825/1‑76 (MQ=255)
           cgGTCAGATTATCCACCGACAGCGGATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCCGAc                                                             >  2:3639675/1‑76 (MQ=255)
             ggcAGATTACCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGt                                                           <  1:306251/74‑1 (MQ=255)
               cAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTcc                                                         >  2:1267979/1‑75 (MQ=255)
               cAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCa                                                         >  1:2028231/1‑76 (MQ=255)
               cAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCa                                                         <  1:802998/76‑1 (MQ=255)
                aGATTATCCCCCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAc                                                        <  2:2798955/76‑1 (MQ=255)
                aGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAc                                                        >  1:2627787/1‑76 (MQ=255)
                aGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAc                                                        >  2:3632254/1‑76 (MQ=255)
                aGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAc                                                        <  1:2049659/76‑1 (MQ=255)
                 gATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAcc                                                       <  1:3775/76‑1 (MQ=255)
                 gATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAcc                                                       >  1:3364663/1‑76 (MQ=255)
                 gATTACCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAcc                                                       <  2:2829587/76‑1 (MQ=255)
                   ttATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCCCCGCCCTGTTTCAGCCAGCCGCCAccca                                                     >  2:27565/1‑74 (MQ=255)
                   ttATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAccgc                                                     >  1:3280016/1‑76 (MQ=255)
                   ttATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAccgc                                                     <  1:3164427/76‑1 (MQ=255)
                   ttATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCAccgc                                                     >  2:4274498/1‑76 (MQ=255)
                      tCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCgg                                                  >  2:3879630/1‑76 (MQ=255)
                       ccACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGt                                                 >  2:4774428/1‑76 (MQ=255)
                        cACCGCCAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGtt                                                <  1:3901008/76‑1 (MQ=255)
                        cACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGtt                                                >  2:3068096/1‑76 (MQ=255)
                           cGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACa                                             >  1:87024/1‑76 (MQ=255)
                           cGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACa                                             >  2:1719682/1‑76 (MQ=255)
                              catcGTATCCGTTTGCTTCTCGCCCAACCAGCTGGCGCCGCCCTTTTTCAGCCAGACGTCACCGCCGGTTACATCg                                          <  1:3834306/73‑1 (MQ=255)
                                  gTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCtt                                      >  2:468637/1‑76 (MQ=255)
                                    aTGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTg                                    >  1:3375886/1‑76 (MQ=255)
                                      gCGTTTGCTTCGCGCCCACCCAGCGGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTc                                  <  2:2404107/76‑1 (MQ=255)
                                       cttttGCTCCCCCCCCACCCACCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCg                                 <  1:3195867/74‑1 (MQ=255)
                                       cGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCg                                 >  1:2452822/1‑76 (MQ=255)
                                       cGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGCTACATCGCCCTTGTcc                                 >  2:624294/1‑75 (MQ=255)
                                        gTTTGCTTCTCGCCCACCCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGa                                <  1:3477186/76‑1 (MQ=255)
                                        gTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGa                                >  1:4838409/1‑76 (MQ=255)
                                         tttGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGAt                               >  2:3464577/1‑76 (MQ=255)
                                         tttGCTCCCCGCCCACCCAGCTGCCCCCGCCCTGTTTCAGCCAGCCGTCCCCGCCGGTTACATCGCCTTTGTCGAt                               <  2:1991726/76‑1 (MQ=255)
                                         tttCCTCCTCCCCCACCCAGCGGGCCCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGAt                               <  1:4544928/76‑1 (MQ=255)
                                          ttGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGATACATCGCCTTTGTCGATc                              >  1:3621684/1‑76 (MQ=255)
                                          tgtcTTCTGCCCCACCCGGCGGGCCCCGCCGTGTTTCAGCCAGACGTCCCCGCCGGTTACATCGCCTTTGTCGATc                              <  2:1212225/73‑1 (MQ=255)
                                            gCTTCTCCCCCACCCAGCGGCCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGt                            <  1:1469420/76‑1 (MQ=255)
                                             cTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTc                           >  1:719707/1‑76 (MQ=255)
                                             cTTCCCGCCCCACCAGCGGGCCCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTc                           <  2:694438/76‑1 (MQ=255)
                                              ttCTCGCCCAACCAGCTGGCACCGCCCTGTTTCCGCCAGACCTCACCGCCGGTTACATCGCCTTTGTCGATCGTCa                          >  2:3113322/1‑76 (MQ=255)
                                              ttCTCGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCa                          >  1:1395385/1‑76 (MQ=255)
                                               tctcGCCCACCCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCAt                         <  1:3554545/76‑1 (MQ=255)
                                               tctcGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCAt                         >  1:4114339/1‑76 (MQ=255)
                                                ctcGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATc                        >  1:3140585/1‑76 (MQ=255)
                                                ctcGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATc                        >  2:419107/1‑76 (MQ=255)
                                                ctcCCCCACCCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATc                        <  1:4348104/76‑1 (MQ=255)
                                                 tcGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGtcctcc                       >  2:938300/1‑76 (MQ=255)
                                                 tcGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATcc                       >  1:809128/1‑76 (MQ=255)
                                                  cccccacccaGCTGCCCCCCCCCTTTTCCAGCCAGACGTCCCCGCCGGTTACATCGCCTTTGTCGATCGTCATCCa                      <  1:82598/74‑1 (MQ=255)
                                                  cGCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGCTCCTCAtgcc                      >  1:1981490/1‑73 (MQ=255)
                                                   gCCCAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAg                     >  2:2555490/1‑76 (MQ=255)
                                                    cccAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGCTCGTCATCCAGc                    >  2:3173636/1‑76 (MQ=255)
                                                    cccAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCCTCCCGc                    >  2:240198/1‑76 (MQ=255)
                                                    cccAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGCCATCCacc                    >  2:501197/1‑74 (MQ=255)
                                                     ccAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGcc                   >  2:858696/1‑76 (MQ=255)
                                                      cacccAGCGGGCCCCGCCCTTTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCt                  <  1:3763634/73‑1 (MQ=255)
                                                      cAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCt                  >  1:767176/1‑76 (MQ=255)
                                                      cAACCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCt                  >  1:2215220/1‑76 (MQ=255)
                                                       aaCCAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCtt                 >  2:2145608/1‑76 (MQ=255)
                                                         ccAGCGGGCCCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCa               <  2:3727050/76‑1 (MQ=255)
                                                          cAGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCaa              >  2:1919471/1‑76 (MQ=255)
                                                           aGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAg             <  1:1303266/76‑1 (MQ=255)
                                                           aGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAg             >  2:3493206/1‑76 (MQ=255)
                                                           aGCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAg             >  2:4186848/1‑76 (MQ=255)
                                                            gCTGGCCCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAgg            <  1:624488/76‑1 (MQ=255)
                                                            gCTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAgg            >  1:4739547/1‑76 (MQ=255)
                                                             cTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAggg           >  1:385574/1‑76 (MQ=255)
                                                             cTGGCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTGCAAggg           >  1:138352/1‑76 (MQ=255)
                                                             cTGGCACCGCCCGGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAggg           >  1:1691694/1‑76 (MQ=255)
                                                              tGGCACCGCCCTGTTTCAGCCAGCCGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCCTCCAGCCTCCACGGga          >  2:4347116/1‑76 (MQ=255)
                                                               ggCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGgag         >  2:245794/1‑76 (MQ=255)
                                                                gccccGCCCTGTTCCAGCCAGACGTCCCCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGgaga        <  2:4754831/73‑1 (MQ=255)
                                                                gCACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTCTGTCGATCGTCATCCAGCCTTCAAGGgaga        >  2:2635427/1‑76 (MQ=255)
                                                                 cACCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGaa       >  1:2259764/1‑76 (MQ=255)
                                                                 cACCGACCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGaa       <  2:3187381/76‑1 (MQ=255)
                                                                  cccGCCCTGTTTCAGCCAGACGTCCCCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAAc      <  2:927410/75‑1 (MQ=255)
                                                                  aCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAAc      >  2:3864358/1‑76 (MQ=255)
                                                                  aCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAAc      >  2:1950476/1‑76 (MQ=255)
                                                                  aCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAAc      >  1:3019086/1‑76 (MQ=255)
                                                                  aCCGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAAc      >  2:1354469/1‑76 (MQ=255)
                                                                   ccGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACt     >  2:2822313/1‑76 (MQ=255)
                                                                   ccGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACt     >  1:3387809/1‑76 (MQ=255)
                                                                    cGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACtg    >  1:1732887/1‑76 (MQ=255)
                                                                    cGCCCTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACtg    >  2:3782741/1‑76 (MQ=255)
                                                                      cccTGTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTTGATCGTCATCCAGCCTTCAAGGGAGAACtgtg  >  2:1168445/1‑76 (MQ=255)
                                                                           |                                                                       
CGTAATATGCGCGGTCAGATTATCCACCGACAGCGTATGCGTTTGCTTCTCGCCCAACCAGCTGGCACCGCCCTGTTTTCAGCCAGACGTCACCGCCGGTTACATCGCCTTTGTCGATCGTCATCCAGCCTTCAAGGGAGAACTGTG  >  NC_000913/3393028‑3393174

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 9 ≤ ATCG/ATCG < 23 ≤ ATCG/ATCG < 40 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: