Predicted mutation
evidence seq id position mutation annotation gene description
RA NC_000913 4,631,146 G→A A138A (GCG→GCA slt → soluble lytic murein transglycosylase

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0009134,631,1460GA94.1% 83.1 / ‑1.6 35A138A (GCG→GCAsltsoluble lytic murein transglycosylase
Reads supporting (aligned to +/- strand):  ref base G (0/2);  new base A (17/15);  total (17/18)
Fisher's exact test for biased strand distribution p-value = 4.85e-01
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 8.33e-02

GGACTGAAGGATTATCCGCTTTATCCCTACCTGGAATACCGCCAGATCACCGATGATCTGATGAATCAACCGGCGGTGACGGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCGAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGCGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACAGGCCTGGTAACAGTGCTGGCAGGGCAGATGCCTGCCGATTACCAGACTATCGCCTCGGCAATC  >  NC_000913/4630904‑4631386
                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                
ggACTGAAAGATTATCCACTTTATCCCTACCTGGAATACCGTCAGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACAGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCTATGTAATTACTACTATGCAAAATGGa                                                                                                                                                                                                                                           <  1:339407/250‑1 (MQ=255)
   cTGAAAGATTATCCACTTTATCCCTACCTGGAATACCGTCAGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAACCCGGAACTACCGAAGCGCCATGTAATTAATACTATGCAAAATGGaaaac                                                                                                                                                                                                                                       >  1:237233/1‑248 (MQ=255)
       aagATTTTCCACTTTATCCCTGCCTGGAATACCGTCAGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCGCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCggg                                                                                                                                                                                                                                   <  2:76005/249‑1 (MQ=255)
               ccacTTTATCCCTACCTGGAATACCGTCAGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACGTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTga                                                                                                                                                                                                                           <  2:237233/248‑1 (MQ=255)
                caatgtagcccgaCCTGGAATACCGTCAGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCTCGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTgaa                                                                                                                                                                                                                          <  2:152035/239‑1 (MQ=255)
                             ccTGGAATACCGCCAGATCACCGATGATCTGATGAATCAACCGGCGGTGACGGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCGAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAg                                                                                                                                                                                                             <  1:166629/251‑1 (MQ=255)
                                           aGATCACCGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAAAGGAAAACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGGGAAagagatg                                                                                                                                                                                               >  1:147866/1‑248 (MQ=255)
                                                 ccGATGACCTGATGAATCAACCGGCGGTGACTGTCACTAACTTTGGTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCTTGGGTTGTTTGACTTTAGACCGGGAAAGACCGGGAATCCCGAAACGCAATGGTATTACTACTATGCAAAATTGAACACCGGGCAGCGGGAAGAAGCCTGGCCAGGGGGGGAAGAGCTGTGGCt                                                                                                                                                                                          >  1:130496/1‑250 (MQ=255)
                                                                             gactgccACTTACTATGTTCGCGCCAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGGCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAATGCCtgt                                                                                                                                                              <  2:147866/244‑1 (MQ=255)
                                                                                             gTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGGTTCGTCAATGAACGGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTGAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGTGCAGAGTGAAGAAGCCTGGCAAGTGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAATTTATTTAgta                                                                                                                                              <  2:33422/250‑3 (MQ=255)
                                                                                                cgcgCTAACCCCACGCGTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCt                                                                                                                                           <  1:50389/250‑1 (MQ=255)
                                                                                                  cgcTAACCCCGCGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAagag                                                                                                                                                                                                  <  2:307002/193‑1 (MQ=255)
                                                                                                  cgcTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAagag                                                                                                                                                                                                  >  1:307002/1‑193 (MQ=255)
                                                                                                         cccACGCTTCCTCCCGCTCGCACGCTGCAATCTCTTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTc                                                                                                                                 <  1:62505/251‑1 (MQ=255)
                                                                                                         cccACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCGAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGCGTCTGGCGTGCGTc                                                                                                                                 <  1:121632/251‑1 (MQ=255)
                                                                                                                    tccCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACa                                                                                                                        >  1:324893/1‑249 (MQ=255)
                                                                                                                        gCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATcc                                                                                                                  >  1:159138/1‑251 (MQ=255)
                                                                                                                           cGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCg                                                                                                                 <  1:287179/249‑1 (MQ=255)
                                                                                                                                                     tGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGGGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGGATTTAGAGCGTATCCGTCTgg                                                                                     >  1:130326/1‑251 (MQ=255)
                                                                                                                                                                ggcgTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGGCTGGCGATGAAAGCg                                                                          >  1:326113/1‑251 (MQ=255)
                                                                                                                                                                ggcgTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCACGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGTGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCg                                                                          >  1:298310/1‑251 (MQ=255)
                                                                                                                                                                      aaGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAac                                                                    >  1:178702/1‑251 (MQ=255)
                                                                                                                                                                          cTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGACGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACCAGTTATTTAGTGTCTGGCGTGCGTCAGGAAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAaccctg                                                                >  1:25195/1‑247 (MQ=255)
                                                                                                                                                                                         aGCCTTTGGCCCGGAAAAGCCCGGAACTACAGAATCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCTTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGGCCTGGTAACAGTg                                                  <  2:291028/250‑1 (MQ=255)
                                                                                                                                                                                              ttAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATcc                                                                                           >  1:301952/1‑204 (MQ=255)
                                                                                                                                                                                              ttAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATcc                                                                                           <  2:301952/204‑1 (MQ=255)
                                                                                                                                                                                                   ccGGAAAATACCGGAACTACCGAAGCGCAAGGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTTAAGAAGCATGGCAAGGGGCGAAAGAGCTGTGGCTACCCGGCAAGAGCCAGCCTAACTCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCTGATAACACTGGCCTGGTAACAGTGCTggcagggca                                       <  2:82991/251‑1 (MQ=255)
                                                                                                                                                                                                                      ccGAAGCGCAATGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGGCCTGGTAACAGTGCTGCCAGGGCAGATGCCTGCCGATTAcc                      >  1:164915/1‑249 (MQ=255)
                                                                                                                                                                                                                                aTGTAATTACTTCTATGCTAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTTGCGTGCGTCAGGTACACAAGATCCGCTGGCGTATTTATAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGTCCTGGTCACAGTGCTGGCAGGTCAGATGCCTGCCGATTACCAGACTATCGCCt          <  1:11027/251‑1 (MQ=255)
                                                                                                                                                                                                                                aTGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGt                                                                                         <  2:276518/172‑1 (MQ=255)
                                                                                                                                                                                                                                aTGTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGt                                                                                         >  1:276518/1‑172 (MQ=255)
                                                                                                                                                                                                                                  gTAATTACTACTATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGGCCTGGTAACAGTGCTGGCAGGGCAGATGCCTGCCGATTACCAGACTATCGCCTCg        >  1:26648/1‑251 (MQ=255)
                                                                                                                                                                                                                                     aTTACTACTATGCAAAATGGAACACCGGGCAGAGTGCAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGACAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGGAGAAAGCGGGTAACACTGGCCTGGTAAAAGTGCTGGCAGGGCAGGTGCCGGCCGCTTAcccgcaacgcgcctcggc      >  2:206198/1‑234 (MQ=255)
                                                                                                                                                                                                                                        actactATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGCGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGGCCTGGTAACAGTGCTGGCAGGGCAGATGCCTGCCGATTACCAGACTATCGCCTCGGCAATc  >  1:349986/1‑251 (MQ=255)
                                                                                                                                                                                                                                        actactATGCAAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGTGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACTGGCCTGGTAACAGTGCTGGCAGGGCAGATGCCTGCCGATTACCAGACTATCGCCTCGGCAATc  <  1:206198/251‑1 (MQ=255)
                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                
GGACTGAAGGATTATCCGCTTTATCCCTACCTGGAATACCGCCAGATCACCGATGATCTGATGAATCAACCGGCGGTGACGGTCACTAACTTTGTTCGCGCTAACCCCACGCTTCCTCCCGCTCGCACGCTGCAATCTCGTTTCGTCAATGAACTGGCGCGGCGTGAAGACTGGCGTGGCTTGTTAGCCTTTAGCCCGGAAAAGCCCGGAACTACCGAAGCGCAATGTAATTACTACTATGCGAAATGGAACACCGGGCAGAGTGAAGAAGCCTGGCAAGGGGCGAAAGAGCTGTGGCTAACCGGCAAGAGCCAGCCTAACGCCTGTGACAAGTTATTTAGCGTCTGGCGTGCGTCAGGTAAACAAGATCCGCTGGCGTATTTAGAGCGTATCCGTCTGGCGATGAAAGCGGGTAACACAGGCCTGGTAACAGTGCTGGCAGGGCAGATGCCTGCCGATTACCAGACTATCGCCTCGGCAATC  >  NC_000913/4630904‑4631386

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 12 ≤ ATCG/ATCG < 15 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 39 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: