Predicted mutation
evidence seq id position mutation freq annotation gene description
RA NC_000913 1,779,124 A→G 6.9% S60P (TCT→CCT)  ydiP ← putative DNA‑binding transcriptional regulator

Read alignment evidence...
  seq id position ref new freq score (cons/poly) reads annotation genes product
*NC_0009131,779,1240AG 6.9% 174.5 / 2.8 58S60P (TCT→CCT) ydiPputative DNA‑binding transcriptional regulator
Reads supporting (aligned to +/- strand):  ref base A (30/24);  new base G (2/2);  total (32/26)
Fisher's exact test for biased strand distribution p-value = 1.00e+00
Kolmogorov-Smirnov test that lower quality scores support variant p-value = 9.60e-01

GCTGATTTTCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAGCGT  >  NC_000913/1778977‑1779268
                                                                                                                                                   |                                                                                                                                                
gCTGATTTTCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACgaaga                                                                                                                                                  <  7:58371/148‑1 (MQ=255)
 cTGATTTTCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAAt                                                                                                                                                <  6:108530/149‑1 (MQ=255)
      tttCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATg                                                                                                                                           >  8:342232/1‑149 (MQ=255)
       ttCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATg                                                                                                                                           <  5:257700/148‑1 (MQ=255)
             aGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTaa                                                                                                                                       >  7:102209/1‑146 (MQ=255)
             aGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTaa                                                                                                                                       <  8:102209/146‑1 (MQ=255)
                 cccTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTg                                                                                                                                 >  8:337147/1‑148 (MQ=255)
                   ctgaaactgaaaGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCaa                                                                                                                              <  7:337147/149‑1 (MQ=255)
                                ccGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGAc                                                                                                                 <  7:342232/149‑1 (MQ=255)
                                               gTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGt                                                                                                  >  4:82309/1‑149 (MQ=255)
                                               gTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTAATCCGCATGTGCGACATAAAACGAAGAATCGATGGTAACCCTTGCAACCCCTTTc                                                                                                                      >  5:126571/1‑129 (MQ=255)
                                                tACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTa                                                                                                              >  5:108760/1‑136 (MQ=255)
                                                tACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTa                                                                                                              <  6:108760/136‑1 (MQ=255)
                                                  cacGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTc                                                                                               <  1:371667/149‑1 (MQ=255)
                                                  cacGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTc                                                                                               <  1:75643/149‑1 (MQ=255)
                                                   acGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCa                                                                                              >  3:266535/1‑149 (MQ=255)
                                                          tGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGACAACCGCATGGGCGACATATAACGAAGAATCGATCGTAAACCTTGCAACCCCTTACTTGACGTAAAGCAACTCGGTTTCATTGtact                                                                                       >  3:250261/1‑146 (MQ=255)
                                                           gCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCAt                                                                                       >  6:104695/1‑148 (MQ=255)
                                                              ggATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAAc                                                                                   >  2:41378/1‑149 (MQ=255)
                                                                   gTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTc                                                                                         >  2:384912/1‑138 (MQ=255)
                                                                   gTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTc                                                                                         <  1:384912/138‑1 (MQ=255)
                                                                                  cACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCAtt                                                               >  2:134087/1‑149 (MQ=255)
                                                                                     cGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTg                                                            >  5:165500/1‑149 (MQ=255)
                                                                                     cGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTg                                                            <  5:104695/149‑1 (MQ=255)
                                                                                     cGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTg                                                            <  4:266535/149‑1 (MQ=255)
                                                                                        aTGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCACCCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGat                                                         >  8:9092/1‑149 (MQ=255)
                                                                                            aGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGatcatc                                                     <  1:41378/149‑1 (MQ=255)
                                                                                              ccTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGc                                                   <  6:165500/149‑1 (MQ=255)
                                                                                                      gTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGc                                            >  2:256449/1‑148 (MQ=255)
                                                                                                           aTCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCt                                                  >  1:155406/1‑137 (MQ=255)
                                                                                                           aTCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCt                                                  <  2:155406/137‑1 (MQ=255)
                                                                                                            tCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAAc                                       <  3:82309/147‑1 (MQ=255)
                                                                                                              accacAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGa                                   <  1:256449/149‑1 (MQ=255)
                                                                                                               ccacAATGTCATACGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGaa                                  <  1:114725/149‑1 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGa                                                                                                                  <  1:218306/68‑1 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGa                                                                                                                  >  2:218306/1‑68 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCAt                                                                                       <  4:121117/95‑1 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCAt                                                                                       >  3:121117/1‑95 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGa                                   >  6:259491/1‑147 (MQ=255)
                                                                                                                cacaATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGa                                   >  6:136655/1‑147 (MQ=255)
                                                                                                                     tGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTc                                                                    >  6:243955/1‑109 (MQ=255)
                                                                                                                     tGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTc                                                                    <  5:243955/109‑1 (MQ=255)
                                                                                                                         aTCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGatcatc                                                     >  6:19734/1‑120 (MQ=255)
                                                                                                                         aTCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGatcatc                                                     <  5:19734/120‑1 (MQ=255)
                                                                                                                             gCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGttt                     >  8:219213/1‑148 (MQ=255)
                                                                                                                              cATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTa                   >  8:355271/1‑149 (MQ=255)
                                                                                                                                 gtgCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGACCGTGATGTACGTACTCCCATTTTGGATCATCGCTAAATTCAAAACGTGAAAGACGTGGCGTTTTACCg                >  1:348878/1‑149 (MQ=255)
                                                                                                                                     gACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCATGACGTAATTCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGa            >  2:369868/1‑149 (MQ=255)
                                                                                                                                      aCATATAACGAAGGATCGATGGTAAACCTTGCAACCCCTTTCTTGACTTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTg                           <  7:46942/133‑1 (MQ=255)
                                                                                                                                      aCATATAACGAAGGATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTg                           >  8:46942/1‑133 (MQ=255)
                                                                                                                                      aCATATAACGAAGGATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTg                           >  8:41116/1‑133 (MQ=255)
                                                                                                                                      aCATATAACGAAGGATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTg                           <  7:41116/133‑1 (MQ=255)
                                                                                                                                       cATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGAc           >  5:286548/1‑148 (MQ=255)
                                                                                                                                        atatAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATAAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGATAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACa          >  3:37083/1‑148 (MQ=255)
                                                                                                                                         tataACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACaaa        <  1:369868/149‑1 (MQ=255)
                                                                                                                                           taACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACaaa        >  8:226225/1‑147 (MQ=255)
                                                                                                                                           taACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACa      <  6:286548/149‑1 (MQ=255)
                                                                                                                                            aaCGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCGCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAg     >  6:268389/1‑149 (MQ=255)
                                                                                                                                             aCGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCTGACTCCCATTTTGGATCATCGCTAAATGCAAAACGAGAAAGCCGTGGCGTTTTACCGGCGACAAACAGc    <  4:250261/149‑1 (MQ=255)
                                                                                                                                               gaagaaTCGATGGTAAACCTTGCACCCCCTTTCTTGACGTAAATCACCTCGGTTTCATTGTCATGCACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAGCGt  >  4:282858/1‑149 (MQ=255)
                                                                                                                                               gaagaaTCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAGCGt  >  1:305575/1‑149 (MQ=255)
                                                                                                                                               gaagaaTCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAGCGt  >  5:303908/1‑149 (MQ=255)
                                                                                                                                                   |                                                                                                                                                
GCTGATTTTCCTCAGCCCCCTGAAACTGAAAGCCGTACAGCGCACAGGTACACGTCGTTGCCGGATCGTTAACGTCAGAGGCCACCGCATGCAGCCTGCCGCGTTCTATCACCACAATGTCATCCGCATGTGCGACATATAACGAAGAATCGATGGTAAACCTTGCAACCCCTTTCTTGACGTAAATCAACTCGGTTTCATTGTCATGAACGTGATGTCCGGACTCCCATTTTGGATCATCGCTAAATGCAAAACGTGAAAGCCGTGGCGTTTTACCGGCGACAAACAGCGT  >  NC_000913/1778977‑1779268

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: