raven 1.7.0

Raven

Raven is a de novo genome assembler for long uncorrected reads.

Using in SGE_Batch

Make sure you are in bash, and generate a shell script with your commands that you want to submit over SGE. Add the source /local/cluster/raven/activate.sh line before your commands to access the programs over SGE.

To activate:

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bash
source /local/cluster/raven/activate.sh

Location and version:

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$ which raven
/local/cluster/raven/bin/raven
$ raven --version
1.7.0

help message:

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usage: raven [options ...] <sequences> [<sequences> ...]

  # default output is to stdout in FASTA format
  <sequences>
    input file in FASTA/FASTQ format (can be compressed with gzip)

  options:
    -k, --kmer-len <int>
      default: 15
      length of minimizers used to find overlaps
    -w, --window-len <int>
      default: 5
      length of sliding window from which minimizers are sampled
    -f, --frequency <double>
      default: 0.001
      threshold for ignoring most frequent minimizers
    -p, --polishing-rounds <int>
      default: 2
      number of times racon is invoked
    -m, --match <int>
      default: 3
      score for matching bases
    -n, --mismatch <int>
      default: -5
      score for mismatching bases
    -g, --gap <int>
      default: -4
      gap penalty (must be negative)
    --graphical-fragment-assembly <string>
      prints the assembly graph in GFA format
    --resume
      resume previous run from last checkpoint
    --disable-checkpoints
      disable checkpoint file creation
    -t, --threads <int>
      default: 1
      number of threads
    --version
      prints the version number
    -h, --help
      prints the usage

software ref: https://github.com/lbcb-sci/raven
research ref: https://doi.org/10.1038/s43588-021-00073-4