Seqanswers Leaderboard Ad

Collapse

Announcement

Collapse
No announcement yet.
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • #16
    The code in savR doesn't seem to support version 6 from what I can see (https://github.com/Bioconductor-mirr...savR-methods.R) although it seems to support v5.

    FWIW, here's the format for V6 (very similar to v5 as described in https://tracker.tgac.ac.uk/browse/MISO-138):


    byte 0: file version number (6)
    byte 1: length of each record
    byte 2: quality score binning (byte flag representing if binning was on), if (byte 2 == 1) // quality score binning on
    byte 3: number of quality score bins, B
    bytes 4 - (4+B-1): lower boundary of quality score bins
    bytes (4+B) - (4+2*B-1): upper boundary of quality score bins
    bytes (4+2*B) - (4+3*B-1): remapped scores of quality score bins (QRemapped)
    The remaining bytes are for the records, with each record in this format:
    2 bytes: lane number (uint16)
    2 bytes: tile number (uint16)
    2 bytes: cycle number (uint16)
    4 x B bytes: number of clusters assigned score (uint32) (QRemapped)


    For the MiniSeq, B = 7.

    Comment


    • #17
      Here's the original github repository that people can make PRs against and issues for.

      Comment


      • #18
        Originally posted by alito View Post
        The code in savR doesn't seem to support version 6 from what I can see (https://github.com/Bioconductor-mirr...savR-methods.R) although it seems to support v5.

        FWIW, here's the format for V6 (very similar to v5 as described in https://tracker.tgac.ac.uk/browse/MISO-138):


        byte 0: file version number (6)
        byte 1: length of each record
        byte 2: quality score binning (byte flag representing if binning was on), if (byte 2 == 1) // quality score binning on
        byte 3: number of quality score bins, B
        bytes 4 - (4+B-1): lower boundary of quality score bins
        bytes (4+B) - (4+2*B-1): upper boundary of quality score bins
        bytes (4+2*B) - (4+3*B-1): remapped scores of quality score bins (QRemapped)
        The remaining bytes are for the records, with each record in this format:
        2 bytes: lane number (uint16)
        2 bytes: tile number (uint16)
        2 bytes: cycle number (uint16)
        4 x B bytes: number of clusters assigned score (uint32) (QRemapped)


        For the MiniSeq, B = 7.
        SavR definitely supports version 6- I'm the one that wrote the code to support it. Here's the commit that added support: https://github.com/bcalder/savR/comm...506336250cec1c

        Comment

        Latest Articles

        Collapse

        • seqadmin
          Current Approaches to Protein Sequencing
          by seqadmin


          Proteins are often described as the workhorses of the cell, and identifying their sequences is key to understanding their role in biological processes and disease. Currently, the most common technique used to determine protein sequences is mass spectrometry. While still a valuable tool, mass spectrometry faces several limitations and requires a highly experienced scientist familiar with the equipment to operate it. Additionally, other proteomic methods, like affinity assays, are constrained...
          04-04-2024, 04:25 PM
        • seqadmin
          Strategies for Sequencing Challenging Samples
          by seqadmin


          Despite advancements in sequencing platforms and related sample preparation technologies, certain sample types continue to present significant challenges that can compromise sequencing results. Pedro Echave, Senior Manager of the Global Business Segment at Revvity, explained that the success of a sequencing experiment ultimately depends on the amount and integrity of the nucleic acid template (RNA or DNA) obtained from a sample. “The better the quality of the nucleic acid isolated...
          03-22-2024, 06:39 AM

        ad_right_rmr

        Collapse

        News

        Collapse

        Topics Statistics Last Post
        Started by seqadmin, 04-11-2024, 12:08 PM
        0 responses
        30 views
        0 likes
        Last Post seqadmin  
        Started by seqadmin, 04-10-2024, 10:19 PM
        0 responses
        32 views
        0 likes
        Last Post seqadmin  
        Started by seqadmin, 04-10-2024, 09:21 AM
        0 responses
        28 views
        0 likes
        Last Post seqadmin  
        Started by seqadmin, 04-04-2024, 09:00 AM
        0 responses
        52 views
        0 likes
        Last Post seqadmin  
        Working...
        X