Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_002947 182,036 T→C 17.5% intergenic (+25/+40) PP_5SB → / ← PP_0160 5S ribosomal RNA/ferrioxamine receptor

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_002947182,0360TC17.5% 121.0 / 18.7 57intergenic (+25/+40)PP_5SB/PP_01605S ribosomal RNA/ferrioxamine receptor
Reads supporting (aligned to +/- strand):  ref base T (22/25);  new base C (8/2);  total (30/27)
Fisher's exact test for biased strand distribution p-value = 8.30e-02
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 8.54e-01

GACGACCATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGTAAGGTTGT  >  NC_002947/181897‑182179
                                                                                                                                              |                                                                                                                                               
gacgacCATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCATCGCAGACAg                                                                                                                                         <  5:191077/148‑1 (MQ=255)
 acgtcCATAGAGCAGTCGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATGGCCGATGGTAGTGTGGGGGTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAgg                                                                                                                                        <  4:39365/148‑1 (MQ=17)
  cgacCATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTCCTCACTGATGCATCGCCGATGGAAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCATCGCAGACAgg                                                                                                                                        <  1:121374/149‑1 (MQ=17)
  cgacCATAGAGAATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAggg                                                                                                                                       <  8:312533/148‑1 (MQ=255)
     ccATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCtt                                                                                                                                   >  6:195398/1‑149 (MQ=255)
      cATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCttt                                                                                                                                  >  3:232176/1‑149 (MQ=255)
        tAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACACAAAGCCCCTGTCTGCATCGCAGACAGGGGCTTTgg                                                                                                                                >  1:180075/1‑148 (MQ=255)
           agCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCtt                                                                                                                             >  2:127729/1‑149 (MQ=255)
             cATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCtttt                                                                                                                           <  3:196946/149‑1 (MQ=255)
                  gAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCggg                                                                                                                      >  4:343845/1‑149 (MQ=255)
                     ccaccTGATCCCTTCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGttt                                                                                                                   <  8:180152/149‑1 (MQ=255)
                      caccTGATCCCATGCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGttt                                                                                                                   <  1:317070/148‑1 (MQ=255)
                      caccTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGttt                                                                                                                   >  2:317070/1‑148 (MQ=255)
                            atcccatcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAACCGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAata                                                                                                              <  1:279487/148‑1 (MQ=255)
                            atcccatcccGAACTCAGCAGTGAAACCATGCATCGCCGATGGTAGTGTGAGGTATCCCCATGTGAGAGTAGGTCATCGTCAAGATTTTAACCCAAAGCCCCTGTCTCCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAata                                                                                                              <  1:107912/147‑1 (MQ=21)
                             tcccatcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCg                                                                                                           <  3:343845/149‑1 (MQ=255)
                              cccatcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCg                                                                                                           <  4:232176/148‑1 (MQ=255)
                                catcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTAAAGATTCAAACCCAAAGCCCCTGACTGCCATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGt                                                                                                         >  2:260118/1‑148 (MQ=255)
                                 atcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTa                                                                                                       <  5:195398/149‑1 (MQ=255)
                                 atcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTa                                                                                                       >  3:233619/1‑149 (MQ=255)
                                  tcccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGt                                                                                                         >  1:122979/1‑146 (MQ=255)
                                    ccGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGaa                                                                                                    <  1:127729/149‑1 (MQ=255)
                                     cGAATTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAAc                                                                                                   >  4:91382/1‑149 (MQ=255)
                                     cGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAAc                                                                                                   <  7:277826/149‑1 (MQ=255)
                                     cGAACTCAGCAGTGAAACGAAGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAAc                                                                                                   <  6:228014/149‑1 (MQ=255)
                                         cTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGAt                                                                                               <  4:177282/149‑1 (MQ=255)
                                             gcagTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCt                                                                                           >  4:314342/1‑149 (MQ=255)
                                                 tGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGAc                                                                                        <  2:155208/148‑1 (MQ=255)
                                                    aaaCGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGt                                                                                     >  4:362739/1‑149 (MQ=255)
                                                           tGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCt                                                                               <  4:124568/149‑1 (MQ=255)
                                                                cGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCAGGGTTTCAATATCGGTTAGAACTGATAGCTTACCGTGGCGCTCACAt                                                                          >  6:367075/1‑149 (MQ=255)
                                                                    gATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTgcg                                                                      <  3:314342/149‑1 (MQ=255)
                                                                        gTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGctct                                                                  >  5:187957/1‑149 (MQ=255)
                                                                              tgGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTATGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTAAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCAcc                                                             >  3:11954/1‑148 (MQ=255)
                                                                                 ggTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATg                                                         <  1:369274/149‑1 (MQ=255)
                                                                                 ggTTTCACCATGTGAGAGTAGGTCATCGTCAATATTCAAACCCACAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATg                                                         <  4:11954/149‑1 (MQ=255)
                                                                                  gTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATg                                                         >  3:174258/1‑148 (MQ=255)
                                                                                                         aTCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACAt                                 <  4:233619/149‑1 (MQ=255)
                                                                                                            gTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGa                               <  3:91382/148‑1 (MQ=255)
                                                                                                            gTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAg                              >  5:385816/1‑149 (MQ=255)
                                                                                                                    tCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATg                        >  6:256313/1‑147 (MQ=255)
                                                                                                                      aaaCCCAAAGCCCCTGTCTGCGATTCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCTCCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGc                    <  1:260118/149‑1 (MQ=255)
                                                                                                                            aaaGCCCCTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCTGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCAt              >  8:227090/1‑149 (MQ=255)
                                                                                                                            aaaGCCCCTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCAt              >  2:219897/1‑149 (MQ=255)
                                                                                                                               aGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTTTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTg            >  7:130555/1‑149 (MQ=255)
                                                                                                                                  cccTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  1:8380/1‑148 (MQ=255)
                                                                                                                                  cccTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACACATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  1:29997/1‑148 (MQ=255)
                                                                                                                                  cccTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAAAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  7:116021/1‑148 (MQ=255)
                                                                                                                                   ccTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGATCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  2:45590/1‑147 (MQ=255)
                                                                                                                                   ccTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  2:191098/1‑147 (MQ=255)
                                                                                                                                   ccTGTCTGCATCGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGt          >  4:192241/1‑147 (MQ=255)
                                                                                                                                    cTGTCTGCCATGCAGTCAGGGGCTTTGTCTTTTCCGTCTTTCACTATCGGTTAGAAATGATAGCGGCACGTGGCTCTCACATTGCGCTCTTCACCCATGTAGCTGTTGATCAGTCTGGAACATGAGGTGATGTAGCTTTCATTGGTaat       <  8:23237/149‑2 (MQ=255)
                                                                                                                                       tCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCagtag                                                <  4:38946/105‑1 (MQ=255)
                                                                                                                                       tCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCagtag                                                >  3:38946/1‑105 (MQ=255)
                                                                                                                                       tCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGTAAGgtt    >  8:36663/1‑149 (MQ=255)
                                                                                                                                         tGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGTAAGgttgt  >  7:104998/1‑149 (MQ=255)
                                                                                                                                           cGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGTAAGgttgt  <  2:122979/147‑1 (MQ=255)
                                                                                                                                              |                                                                                                                                               
GACGACCATAGAGCATTGGAACCACCTGATCCCATCCCGAACTCAGCAGTGAAACGATGCATCGCCGATGGTAGTGTGGGGTTTCCCCATGTGAGAGTAGGTCATCGTCAAGATTCAAACCCAAAGCCCCTGTCTGCGATGCAGACAGGGGCTTTGTCTTTTCCGGGTTTCAATATCGGTTAGAACTGATAGCTGACCGTGGCGCTCACATTGCGCTCTTCACCCATGTAGCAGTAGTTCAGGCTGGCACATGAGGTGATGTAGCTTTCATTGGTAAGGTTGT  >  NC_002947/181897‑182179

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 14 ≤ ATCG/ATCG < 21 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 36 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: