Predicted mutation
evidence seq id position mutation annotation gene description
MC JC NC_000913 257,908 Δ776 bp [crl] [crl]

Missing coverage evidence...
   seq id start end size ←reads reads→ gene description
* * ÷ NC_000913 257908–258675 258683 9–776 61 [1] [1] 62 [crl] [crl]

New junction evidence
  seq id position reads (cov) reads (cov) score skew freq annotation gene product
* ? NC_000913 = 2579071 (0.020)58 (1.210) 53/268 0.0 99.2% intergenic (+8/‑769) crl/crl pseudogene, sigma factor‑binding protein, RNA polymerase holoenzyme formation stimulator;regulator; Surface structures; transcriptional regulator of cryptic csgA gene for curli surface fibers/pseudogene, sigma factor‑binding protein, RNA polymerase holoenzyme formation stimulator;regulator; Surface structures; transcriptional regulator of cryptic csgA gene for curli surface fibers
?NC_000913 258684 = 0 (0.000)pseudogene (9/331 nt) crl pseudogene, sigma factor‑binding protein, RNA polymerase holoenzyme formation stimulator;regulator; Surface structures; transcriptional regulator of cryptic csgA gene for curli surface fibers

CCGGCGGTGCTTTTGCCGTTACGCACCACCCCGTCAGTAGCTGAACAGGAGGGACAGCTGATAGAAACAGAAGCCACTGGAGCACCTCAAAAACACCATCATACACTAAATCAGTAAGTTGGCAGCATCACCTGAAGGTAAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTACCAGTTTGGT  >  NC_000913/258544‑258826
                                                                                                                                            |                                                                                                                                              
ttaaaaatttgctaaattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGt                                                                                                                                              <  1:863815‑M2/3‑1 (MQ=255)
 taaaaatttgctaaattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagcttgatcaaaacatttaccgcactaggcccgtatctccgtgaagctaAGTg                                                                                                                                             >  2:15997‑M2/140‑143 (MQ=255)
   aaaatttgctaaattttgccaatttggaaaaacagttgcatcacaacaggagatagcaatgccgttaccgcgtggacacccgaagagcagattgctcaaaaaatttaccgcactaggcccgtatattcgtgcaggtaAGTGCa                                                                                                                                           >  1:436029‑M2/138‑143 (MQ=255)
       tttgctaaattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCACAGa                                                                                                                                       >  2:4507‑M2/134‑143 (MQ=255)
           ctaaattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatatccgtgaaggtaAGTGCAAAGATAAt                                                                                                                                   >  1:390559‑M2/130‑143 (MQ=255)
             aaattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATACtcc                                                                                                                                 >  2:367884‑M2/128‑142 (MQ=255)
              aattttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGa                                                                                                                                <  2:257653‑M2/17‑1 (MQ=255)
               attttgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGGGCAAAGATAATCgac                                                                                                                               >  1:190687‑M2/126‑142 (MQ=255)
                   tgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCtt                                                                                                                           >  1:913040‑M2/122‑143 (MQ=255)
                   tgccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatgtaccgcactaggcccgtatattggtgaaggtaAGTGCAAAGATAATCGATTCtt                                                                                                                           >  1:500637‑M2/122‑143 (MQ=255)
                    gccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgcatattcgtgaaggtaAGTGCAAAGATAATCGATTCttt                                                                                                                          >  2:777056‑M2/121‑143 (MQ=255)
                     ccaatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatgaaaaaatttaccgcactaggcccgtatattcgtgaagggaAGTGCAAAGATAATCGATTCtttt                                                                                                                         >  2:738647‑M2/120‑143 (MQ=255)
                      caatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCttttt                                                                                                                        <  1:169816‑M2/25‑1 (MQ=255)
                      caatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCttttt                                                                                                                        <  2:505699‑M2/25‑1 (MQ=255)
                       aatttggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTc                                                                                                                       <  1:482683‑M2/26‑1 (MQ=255)
                         tctggtaaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGa                                                                                                                     <  1:562959‑M2/28‑1 (MQ=255)
                              taaaacagttgcatcacaacaggagatagcaatgacgttaccgagtggacccccgaagcgcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgatggtaAGTGCAAAGATAATCGATTCTTTTTCTATTGTc                                                                                                                >  1:586824‑M2/111‑143 (MQ=255)
                               aaaacagttgcatcacaacaggagatagcaatgatgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCt                                                                                                               <  1:562540‑M2/34‑1 (MQ=255)
                                aaacagttgcatcacaacaggagatagcactgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccggctattcgtgaggggaAGAGCAAAGATAATCGATTCCTTTTCGATTGTCTg                                                                                                              >  1:412768‑M2/109‑143 (MQ=255)
                                aaacagtggcagcacaacaggagatagcaaggacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTg                                                                                                              <  2:256157‑M2/35‑1 (MQ=255)
                                 aacagttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTgg                                                                                                             <  1:518354‑M2/36‑1 (MQ=255)
                                      ttgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAAGCGATTCTTTTTCGATTGTCTGGCTGTa                                                                                                        >  2:177067‑M2/103‑143 (MQ=255)
                                       tgcatcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTAt                                                                                                       <  1:836276‑M2/42‑1 (MQ=255)
                                           tcacaacaggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGt                                                                                                   >  1:337060‑M2/98‑143 (MQ=255)
                                            cacaacaggatatagcaatgacgttaccgagtgtaaaccagttggggggattaaacaaaaaatttaccgcactaggcgcgaatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTc                                                                                                  <  1:419543‑M2/47‑1 (MQ=255)
                                            cacaacaggagatagcaatgacgttaccgagtggacacacgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaagataAGTGCAAAGATCATCGAATCTTCTTCGATTGTCTGGCTGTATGCGTc                                                                                                  >  2:149306‑M2/97‑143 (MQ=255)
                                                 ccggagatagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAACCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGt                                                                                             <  2:746679‑M2/52‑1 (MQ=255)
                                                       atagcaatgacgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAAGCGATTCTTTTGCGATTGGCTGGCTGTATGCGTCAACGTGAAAcc                                                                                       <  2:869619‑M2/58‑1 (MQ=255)
                                                           caatgacgttaccgagtggacacctgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCa                                                                                   <  1:152646‑M2/62‑1 (MQ=255)
                                                                 cgttaccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGaa                                                                             <  1:844648‑M2/68‑1 (MQ=255)
                                                                  gttaccgattggacacccgcagaggagatggattaaataatttaccgcactaggcccgtatattcgtgaaggcaAGTGCGCTGATACTCGCTTCTTTTTCGAGTGTCTGGCTGTATGCGTCAACGTCAAACCGGCACCGGAAg                                                                            <  2:188039‑M2/69‑1 (MQ=255)
                                                                      ccgagtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCg                                                                        >  2:877806‑M2/71‑143 (MQ=255)
                                                                         agtggacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtgtattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGa                                                                     >  2:563151‑M2/68‑143 (MQ=255)
                                                                          gcggacacccgaagggcagattggtcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGaa                                                                    <  2:665185‑M2/77‑1 (MQ=255)
                                                                             gacacccgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTc                                                                 <  1:527541‑M2/80‑1 (MQ=255)
                                                                                acgcgaagagcagattgagcaaaaaagttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTgg                                                              <  2:859180‑M2/83‑1 (MQ=255)
                                                                                 cccgaagagcagattgatcaaaaaagttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTggg                                                             <  1:367884‑M2/84‑1 (MQ=255)
                                                                                   cgaagagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAGGATATTAGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGTAACCGGCACCGGAAGGTCGTGAATTCGGGGGc                                                           >  1:252810‑M2/58‑143 (MQ=255)
                                                                                      agagcagattgatcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCtgg                                                        <  1:503335‑M2/89‑1 (MQ=255)
                                                                                             attgatcaaaaaatttaccgcactaggcccgcatattcgtgaaggtaAGTGCACAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGCAGTGCGTGAACTCtggggccggtagcggg                                                 >  2:82281‑M2/48‑137 (MQ=255)
                                                                                                 atcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGCATTCTGGGGCTGGTGGATGGAGCt                                             >  1:635906‑M2/44‑143 (MQ=255)
                                                                                                 atcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCt                                             >  1:850945‑M2/44‑143 (MQ=255)
                                                                                                 atcaaaaaatataccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCt                                             <  1:8344‑M2/100‑1 (MQ=255)
                                                                                                  tcaaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGGGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTg                                            >  1:82197‑M2/43‑143 (MQ=255)
                                                                                                    aaaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGGGAATTCTGGGGCTGGTGGATGGGGCtggg                                          >  2:543587‑M2/41‑142 (MQ=255)
                                                                                                     aaaaatttaccgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCGGgag                                         >  2:805191‑M2/40‑142 (MQ=255)
                                                                                                               cgcactaggcccttatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAAt                               <  2:70186‑M2/114‑1 (MQ=255)
                                                                                                               cgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAGGCGCGGGAAt                               >  1:797935‑M2/30‑143 (MQ=255)
                                                                                                               cgcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGCGGCTGGAGCTGGAAGCGCCGGAAt                               >  1:598871‑M2/30‑143 (MQ=255)
                                                                                                                gcactaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATc                              >  1:886130‑M2/29‑143 (MQ=255)
                                                                                                                  actaggcccgtatattcgtgaaggtaAGTGCAAAGATAATCTATTCTTTTTCTATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATTGAGCTGGAAGCGCAGGAATccc                            <  1:594076‑M2/117‑1 (MQ=255)
                                                                                                                    tcggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAATTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCAGt                          <  2:873376‑M2/119‑1 (MQ=255)
                                                                                                                    taggcccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGGCGCCGCCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGt                          <  1:250391‑M2/119‑1 (MQ=255)
                                                                                                                     gggcccgtatattcgtgaaggtaAGTGCAAAGATCATCGATTCTCCTTCGATTGTCTGGCTGTATGCGGCAACGTGAGACCTGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGtt                         <  2:412768‑M2/120‑1 (MQ=255)
                                                                                                                         ccgtatattcgtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTAc                     <  1:777056‑M2/124‑1 (MQ=255)
                                                                                                                               attcgtgcagggaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAg               <  2:287656‑M2/130‑1 (MQ=255)
                                                                                                                                   gtgaaggtaAGTGCAAATTTAATCGATTTTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTAc           <  1:683480‑M2/134‑1 (MQ=255)
                                                                                                                                   gtgaaggtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTAc           >  1:152965‑M2/10‑143 (MQ=255)
                                                                                                                                     gaagggaAGTGGAAAGATGAGCGATGCTGTGTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTACCa         <  1:39745‑M2/136‑1 (MQ=255)
                                                                                                                                        ggTAAGTGCAAAGATAATCGATGCTCTTTCGATTGTCTGGCTGTCTGTGTTAGAGTGGGGGGGGAGTCGGGAGCGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGGAGATCACAATTCCCGTTTTACCTACAGTTACCAGtt      <  2:693657/143‑1 (MQ=255)
                                                                                                                                         gtaAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTGTTACCTACAGTTACCagtgt     >  1:371877‑M2/4‑141 (MQ=255)
                                                                                                                                            aGTGCAAAGATACTCGATTCTTATTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTACCAGTTTGGt  <  2:768065/143‑1 (MQ=255)
                                                                                                                                            |                                                                                                                                              
CCGGCGGTGCTTTTGCCGTTACGCACCACCCCGTCAGTAGCTGAACAGGAGGGACAGCTGATAGAAACAGAAGCCACTGGAGCACCTCAAAAACACCATCATACACTAAATCAGTAAGTTGGCAGCATCACCTGAAGGTAAGTGCAAAGATAATCGATTCTTTTTCGATTGTCTGGCTGTATGCGTCAACGTGAAACCGGCACCGGAAGTGCGTGAATTCTGGGGCTGGTGGATGGAGCTGGAAGCGCAGGAATCCCGTTTTACCTACAGTTACCAGTTTGGT  >  NC_000913/258544‑258826

Alignment Legend
Aligned base mismatch/match (shaded by quality score): ATCG/ATCG < 3 ≤ ATCG/ATCG < 12 ≤ ATCG/ATCG < 13 ≤ ATCG/ATCG < 32 ≤ ATCG/ATCG < 41 ≤ ATCG/ATCG
Unaligned base: atcg    Masked matching base: atcg    Alignment gap:     Deleted base: