Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_000913 2,987,105 A→G 13.2% intergenic (+29/‑431) yqeG → / → yqeH putative transporter/putative LuxR family transcriptional regulator

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0009132,987,1050AG13.2% 164.5 / 13.4 60intergenic (+29/‑431)yqeG/yqeHputative transporter/putative LuxR family transcriptional regulator
Reads supporting (aligned to +/- strand):  ref base A (22/30);  new base G (2/6);  total (24/36)
Fisher's exact test for biased strand distribution p-value = 4.57e-01
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 1.00e+00

ATGCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGACTATTTAAGATGC  >  NC_000913/2986963‑2987245
                                                                                                                                              |                                                                                                                                            
atGCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAAttt                                                                                                                                        >  2:381013/1‑149 (MQ=255)
 tGCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAAtttt                                                                                                                                       >  2:260139/1‑149 (MQ=255)
  gCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAATTTTg                                                                                                                                      <  1:260139/149‑1 (MQ=255)
  gCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTg                                                                                                                                      >  4:420338/1‑149 (MQ=255)
   ccTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAATTTTGa                                                                                                                                     <  1:260165/149‑1 (MQ=255)
   ccTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAATTTTGa                                                                                                                                     <  2:553127/149‑1 (MQ=255)
   ccTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGa                                                                                                                                     >  2:170029/1‑149 (MQ=255)
    cTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTGGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAATTTTGaa                                                                                                                                    <  1:258047/149‑1 (MQ=255)
    cTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGTAGCAATTTTGaa                                                                                                                                    <  3:687084/149‑1 (MQ=255)
    cTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGaa                                                                                                                                    <  2:118238/149‑1 (MQ=255)
     tACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAAc                                                                                                                                   >  1:276468/1‑149 (MQ=255)
     tACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCCGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAAtt                                                                                                                                         >  1:623953/1‑143 (MQ=255)
     tACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCCGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAAtt                                                                                                                                         <  2:623953/143‑1 (MQ=255)
        gCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAAccat                                                                                                                                <  4:637622/149‑1 (MQ=255)
           gTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAAccattcc                                                                                                                             >  1:405751/1‑149 (MQ=255)
              aaCGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAAccattccatt                                                                                                                          >  2:119703/1‑149 (MQ=255)
                  tATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTc                                                                                                                      >  3:123689/1‑149 (MQ=255)
                   aTCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCa                                                                                                                     <  1:580705/149‑1 (MQ=255)
                      tcATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCataa                                                                                                                  >  2:440182/1‑149 (MQ=255)
                      tcATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCataa                                                                                                                  <  1:356816/149‑1 (MQ=255)
                      tcATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCAATTTTTCataa                                                                                                                  >  4:257101/1‑149 (MQ=255)
                                  ttAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGtt                                                                                                      >  1:381345/1‑149 (MQ=255)
                                       cccTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTtattat                                                                                                 <  2:381345/149‑1 (MQ=255)
                                         cTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTc                                                                                               <  1:170029/149‑1 (MQ=255)
                                           ggCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCa                                                                                             >  1:621986/1‑149 (MQ=255)
                                           ggCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCa                                                                                             <  1:636162/149‑1 (MQ=255)
                                           ggCGTTCCATCGGAAATCTGATTAAGCTGATCGTGGGTATCCTGTTCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCa                                                                                             <  4:666889/149‑1 (MQ=255)
                                            gCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCAc                                                                                            <  1:573979/149‑1 (MQ=255)
                                                  cATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGCTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATc                                                                                      >  3:147463/1‑149 (MQ=255)
                                                   aTCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCa                                                                                     <  2:405751/149‑1 (MQ=255)
                                                    tCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTATAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCAc                                                                                    <  1:119703/149‑1 (MQ=255)
                                                         aaTCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTtctc                                                                               <  3:42314/149‑1 (MQ=255)
                                                          aTCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTtctct                                                                              >  1:649804/1‑149 (MQ=255)
                                                           tCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACtt                                                                                  <  4:550492/144‑1 (MQ=255)
                                                           tCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACtt                                                                                  >  3:550492/1‑144 (MQ=255)
                                                             tGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGt                                                                           <  1:108423/149‑1 (MQ=255)
                                                                        aTCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGt                                                                >  3:583036/1‑149 (MQ=255)
                                                                            tGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTTTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGtatta                                                            >  2:175637/1‑149 (MQ=255)
                                                                             gggTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCCGTTGTTGATCGTTCAAACTTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCGCTTCTCTCGTCATATCCTAGtattat                                                           <  3:257101/149‑1 (MQ=255)
                                                                              ggTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATc                                                          <  2:145584/149‑1 (MQ=255)
                                                                               gTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCa                                                         <  4:123689/149‑1 (MQ=255)
                                                                                    cTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCagttag                                                    >  2:427751/1‑149 (MQ=255)
                                                                                     tgtgCGTATCGATAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAATCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCTCTTCTCTCGTCATATCCTAGTATTATCagttagt                                                   <  4:147463/149‑1 (MQ=255)
                                                                                         cGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTaaa                                               <  4:583036/149‑1 (MQ=255)
                                                                                                gTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACaa                                        <  1:381013/149‑1 (MQ=255)
                                                                                                 tAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACaaa                                       <  2:276468/149‑1 (MQ=255)
                                                                                                 tAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACaaa                                       >  2:83161/1‑149 (MQ=255)
                                                                                                         tttAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTg                               >  2:179714/1‑149 (MQ=255)
                                                                                                           tAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGaa                             <  1:179714/149‑1 (MQ=255)
                                                                                                                  tatCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTa                      <  1:83161/149‑1 (MQ=255)
                                                                                                                       gTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATaa                 <  3:420338/149‑1 (MQ=255)
                                                                                                                       gTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATaa                 <  1:440182/149‑1 (MQ=255)
                                                                                                                         tgtgGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGa               <  2:621986/149‑1 (MQ=255)
                                                                                                                             gATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGACTAt           >  1:2736/1‑149 (MQ=255)
                                                                                                                                  ttCAAAATTGTAGCAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATaa                 >  3:585214/1‑138 (MQ=255)
                                                                                                                                  ttCAAAATTGTAGCAATTTTGAACCATTCCATTTTTCATAAGATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGACATCTGAACATCTTAAATaa                 <  4:585214/138‑1 (MQ=255)
                                                                                                                                   tCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGACTATTTAAGa     <  2:649804/149‑1 (MQ=255)
                                                                                                                                      aaaTTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGACTATTTAAGATGc  <  1:427751/149‑1 (MQ=255)
                                                                                                                                             tACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCt                                <  1:177313/112‑1 (MQ=255)
                                                                                                                                             tACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCt                                >  2:177313/1‑112 (MQ=255)
                                                                                                                                              |                                                                                                                                            
ATGCCTACGCTGTCAACGTATCTCATCCCGGCGCTTAAACCCTGGCGTTCCATCGGAAATCTGATTACGCTGATCGTGGGTATCCTGTGCGTATCGGTAATGTTCTTTAGCTAATATCAGTTGTGGATGGTTCAAAATTGCTACAATTTTGAACCATTCCATTTTTCATAATATTCATTTGTTATTATTCCACCCTATCACTTCTCTCGTCATATCCTAGTATTATCAGTTAGTTAAACACACAAAGAGATCTGAACATCTTAAATAAGACTATTTAAGATGC  >  NC_000913/2986963‑2987245

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 16 ≤ ATCG/ATCG < 31 ≤ ATCG/ATCG < 38 ≤ ATCG/ATCG < 40 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: