Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_002947 2,063,219 G→A 14.8% intergenic (+76/‑131) PP_1838 → / → PP_1839 membrane protein/hypothetical protein

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0029472,063,2190GA14.8% 129.7 / 11.7 55intergenic (+76/‑131)PP_1838/PP_1839membrane protein/hypothetical protein
Reads supporting (aligned to +/- strand):  ref base G (19/27);  new base A (2/6);  total (22/33)
Fisher's exact test for biased strand distribution p-value = 4.61e-01
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 7.46e-01

AGCGTATATCCAGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAAGAGTGGGAA  >  NC_002947/2063071‑2063364
                                                                                                                                                     |                                                                                                                                                  
aGCGTATATCCAGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAg                                                                                                                                                    <  3:10975/149‑1 (MQ=255)
        tCCAGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCtgtg                                                                                                                                            <  4:345335/149‑1 (MQ=255)
          cAGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGc                                                                                                                                           <  3:174125/148‑1 (MQ=255)
           aGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGa                                                                                                                                         <  5:211340/149‑1 (MQ=18)
            gACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAg                                                                                                                                        <  5:359465/149‑1 (MQ=18)
             aCCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGc                                                                                                                                       >  1:274780/1‑149 (MQ=255)
             aCCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGc                                                                                                                                       <  5:384026/149‑1 (MQ=255)
               cgcgACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCgg                                                                                                                                     <  2:386717/149‑1 (MQ=18)
               cgcgACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCgg                                                                                                                                     <  3:202096/149‑1 (MQ=255)
               cgcgACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCgg                                                                                                                                     <  2:274780/149‑1 (MQ=255)
               cgcgACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCGCCCACAGGCATTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCgg                                                                                                                                     <  8:123269/149‑1 (MQ=25)
                 cgACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTTCCCGCTGCCACAGGGATTGCACAGGGTTCGGACCATGTTCACGTACTGTTCGAGCagg                                                                                                                                    >  4:116361/1‑148 (MQ=255)
                         agCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAACCCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCcgc                                                                                                                           <  5:71112/149‑1 (MQ=255)
                          gCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCcgc                                                                                                                           >  6:127688/1‑148 (MQ=255)
                           ccTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCGTGTGCAGGTCCTGTGCGCGCGGGCCAGCCcgcg                                                                                                                          >  5:6204/1‑148 (MQ=255)
                              gctgGATACCACCGCCGGCGTGGGGCACGGCACACCGAATTACACCGGCGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGCCAGTGCACAGGGTTCGGCCCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATg                                                                                                                      <  1:30098/149‑1 (MQ=37)
                              gctgGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTGCCACAGGCATTTCACAGGGTTCGGACCTTGTGCAGGTCCTTTGCGAGCGGGCAAGCCCGCGAATg                                                                                                                      >  8:182584/1‑149 (MQ=255)
                              gctgGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGCAAACCGGGGCCGCGTGGCGGCCCATTCGCGGGCTTGCCCGCTCCCACCGCCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATg                                                                                                                      <  3:18942/149‑1 (MQ=255)
                               ctgGATAACCCCGCCGGCGTGGTGCACGGAACACCGAAGTAACCCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACCGGGTTCGGACCTTGTGCAGGTCCTGTGCTAGCGGGCAAGCCCGCGAATg                                                                                                                      <  6:6204/148‑1 (MQ=38)
                               ctgGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCCCAGGCATTGGACAGGGGTGGGCCCTTGTGCAGGGCCGGTGCGAGCGGGCTAGCCCGCGAATg                                                                                                                      >  2:30098/1‑148 (MQ=38)
                               ctgGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATg                                                                                                                      <  5:127688/148‑1 (MQ=255)
                                  gATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATGCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATgg                                                                                                                     <  1:251588/147‑1 (MQ=255)
                                       cacCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGACCGCTCCCACAGGCATTGCACAGGGTTAGGACCTTGTGGAGGTCCTGTGCGAGCCGGCAAGCCCGCCAAAGGGCCCCGcc                                                                                                             >  6:380169/1‑148 (MQ=255)
                                        acCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTTCCCGCTCCCCCAGGGCTTGGACAGGGTTCGGGCCTTGTGGAGGGGCGGTGGGCGCGGGCCAGCCCGCGGATGGGGCCCGcc                                                                                                             >  1:239375/1‑147 (MQ=255)
                                               gCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTc                                                                                                     <  4:85425/149‑1 (MQ=255)
                                                      gCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCAAAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACt                                                                                              >  2:107453/1‑149 (MQ=255)
                                                       cACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTCCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTg                                                                                             <  5:380169/149‑1 (MQ=255)
                                                       cACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCACCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACt                                                                                              >  6:311707/1‑148 (MQ=255)
                                                               acCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACACGCAGTGCACAGGGGTCGGCCCTTGTGCCGGGCCTGGGCGAGCGGGCACGCCCGCGAATGGGGCCCGCCCAAGTTTCCCGGCCGGACCAGTAt                                                                                    >  7:126387/1‑149 (MQ=25)
                                                                  gAAGTAACCGGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCGCCCACAGCCATTGCACCGGGTGCGCCCCTTGTGCAGGTCCTGGGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATccc                                                                                 <  8:213814/149‑1 (MQ=37)
                                                                             gggCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGt                                                                      <  7:182584/149‑1 (MQ=255)
                                                                             gggCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGt                                                                      <  5:311707/149‑1 (MQ=255)
                                                                               cccGCGTTGCGGCCCATTCGCGGGCGTGCCCGCTCCCACAGGCATGCCACAGGGTGCGCCCCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATTCCCGCCCCAAGGTCa                                                                    <  6:301386/148‑1 (MQ=38)
                                                                               cccGCGTGGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGCACCTTGTCCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGa                                                                                                <  7:120849/121‑1 (MQ=255)
                                                                                               ttCGCGGGCTTGCCCGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGCCTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATcac                                                    >  5:140953/1‑149 (MQ=14)
                                                                                                  gcgGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATcacaca                                                 >  1:354211/1‑149 (MQ=255)
                                                                                                        ttGCCCGCTCCCACAGGCTTTGCACTGGGTGCGGACGTTGTGCAGGTCGTGTGCGAGCGGGAAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGgt                                           <  5:206649/149‑1 (MQ=255)
                                                                                                          gCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGgtgt                                         >  8:206854/1‑149 (MQ=255)
                                                                                                            ccGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCa                                                            <  1:153087/128‑1 (MQ=14)
                                                                                                            ccGCTCGCACAGGACCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCa                                                            >  2:153087/1‑128 (MQ=14)
                                                                                                              gCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGt                                     <  2:239375/149‑1 (MQ=255)
                                                                                                               cTCCCATAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGCAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGt                                     <  1:107453/149‑1 (MQ=255)
                                                                                                                   cacaGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACt                                >  8:107256/1‑149 (MQ=255)
                                                                                                                     caGGCCCTGCACAAGGTCCGAACCCTGTGCAATGCCTGTGGGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTga                              <  6:140953/149‑1 (MQ=21)
                                                                                                                      aGGCATTGCACCGGGTTCGGACCTTGTGCTGGTCCTGTGCGAGCGGGAAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTgag                             <  2:354211/149‑1 (MQ=255)
                                                                                                                      aGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTgag                             >  5:43139/1‑149 (MQ=255)
                                                                                                                            tGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTc                       >  6:68140/1‑149 (MQ=255)
                                                                                                                              cacaGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCCGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGTTCCg                     >  6:215879/1‑149 (MQ=255)
                                                                                                                               acaGGGTTCGGACCTTCTGCAGGTCCTGACCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAAATTTCCCGGACTGAACATTAACCCCGCCCCAAGGTCAGTTTTTCAGGCATCACACACCAGGTGTACGTTGACAGAGAGCGTCCGt                    >  2:390978/1‑149 (MQ=255)
                                                                                                                                ctgggTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATTGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGtt                   <  3:116361/147‑1 (MQ=255)
                                                                                                                                       cGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGa             <  7:107256/148‑1 (MQ=255)
                                                                                                                                        ggcccTTGTGCAGGGCCGGGGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGaaa           <  5:6482/146‑1 (MQ=255)
                                                                                                                                          aCCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAaga         <  7:206854/149‑1 (MQ=255)
                                                                                                                                            cTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCAGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAAGAGt       >  3:285633/1‑149 (MQ=255)
                                                                                                                                                 gCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAAGAGTggg    >  7:23241/1‑147 (MQ=255)
                                                                                                                                                   cAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAAGAGTGGGaa  <  3:342235/148‑1 (MQ=255)
                                                                                                                                                     |                                                                                                                                                  
AGCGTATATCCAGACCGCGACCAAGAGCCTGCTGGATAACACCGCCGGCGTGGTGCACGGCACACCGAAGTAAACCGGGGCCGCGTTGCGGCCCATTCGCGGGCTTGCCCGCTCCCACAGGCATTGCACAGGGTTCGGACCTTGTGCAGGTCCTGTGCGAGCGGGCAAGCCCGCGAATGGGCCCCGCACAATTTTCCCGGACTGAACATTATCCCCGCCCCAAGGTCAGTTATTCAGGCATCACACACCTGGTGTTCGTTGACTGAGAGGGTCCGTTCAATGAAAGAGTGGGAA  >  NC_002947/2063071‑2063364

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 14 ≤ ATCG/ATCG < 15 ≤ ATCG/ATCG < 27 ≤ ATCG/ATCG < 36 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: