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  1. Barna Package
  2. BARNA-197

Size Distribution Statistics

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • Simulator 1.0.3 (API 1.12)
    • Simulator 1.1 (API 1.15)
    • Simulator
    • None

    Description

      LOAD_CODING    true
      LOAD_NONCODING    true
      NB_MOLECULES    8000000
      EXPRESSION_K    -0.6
      EXPRESSION_X0    9500.0
      EXPRESSION_X1    9.025E7
      TSS_MEAN    NaN
      POLYA_SCALE    NaN
      POLYA_SHAPE    NaN
      RTRANSCRIPTION    true
      RT_LOSSLESS    true
      RT_MAX    5500
      RT_MIN    50
      RT_PRIMER    RH
      FRAGMENTATION    true
      FRAG_SUBSTRATE    RNA
      FRAG_METHOD    UR
      FRAG_UR_D0    1
      FRAG_UR_DELTA    NaN
      FILTERING    true
      PCR_DISTRIBUTION    default
      PAIRED_END    true
      READ_LENGTH    76
      ERR_FILE    76
      READ_NUMBER    15000000
      FASTA    true
      

      When I use the parameter file listed at the very beginning, that is, no SIZE_DISTRIBUTION, TSS_MEAN, POLYA_SCALE, POLYA_SHAPE and it runs successfully, The UR fragmentation results in average fragment length of 188 with maximum of 555 and a total of 76 million molecules. And when doing a size selection on this, the output average is 181 with max: 299 and gives me 2.1 million molecules which is approximately 3% of total molecules from fragmentation. How is this possible? The average is 188 out of 76 million and you get at the end 2 million between 181 and 299…?? It just doesn't add up, does it? Or did I get it completely wrong?

      [LIBRARY] Configuration
              Mode: RH
              PWM: No
              RT MIN: 50
              RT MAX: 5500
      
          Processing Fragments ********** OK (00:05:34)
              76054743 mol: in 76027642, new 27101, out 76054743
              avg Len 156.77885, maxLen 555
              initializing Selected Size distribution
      [LIBRARY] Segregating cDNA (Acceptance)
          Processing Fragments ********** OK (00:02:05)
              76054743 mol: in 76054743, new 0, out 2057527
              avg Len 181.46268, maxLen 299
              start amplification
      

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            micha Micha Sammeth
            micha Micha Sammeth
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              Created:
              Updated:
              Resolved: