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STELLAR(1) | User Commands | STELLAR(1) |
NAMEΒΆ
stellar - the SwifT Exact LocaL AligneR SYNOPSIS- stellar [OPTIONS] <FASTA FILE 1> <FASTA FILE 2>
- STELLAR implements the SWIFT filter algorithm (Rasmussen et al., 2006) and a verification step for the SWIFT hits that applies local alignment, gapped X-drop extension, and extraction of the longest epsilon-match.
- Input to STELLAR are two files, each containing one or more sequences in FASTA format. Each sequence from file 1 will be compared to each sequence in file 2. The sequences from file 1 are used as database, the sequences from file 2 as queries.
- (c) 2010-2012 by Birte Kehr
-h, --help
- Displays this help message.
--version
- Display version information
- Main Options:
-e, --epsilon NUM
- Maximal error rate (max 0.25). In range [0.0000001..0.25]. Default: 0.05.
-l, --minLength NUM
- Minimal length of epsilon-matches. In range [0..inf]. Default: 100.
-f, --forward
- Search only in forward strand of database.
-r, --reverse
- Search only in reverse complement of database.
-a, --alphabet STR
- Alphabet type of input sequences (dna, rna, dna5, rna5, protein, char). One of dna, dna5, rna, rna5, protein, and char.
-v, --verbose
- Set verbosity mode.
- Filtering Options:
-k, --kmer NUM
- Length of the q-grams (max 32). In range [1..32].
-rp, --repeatPeriod NUM
- Maximal period of low complexity repeats to be filtered. Default: 1.
-rl, --repeatLength NUM
- Minimal length of low complexity repeats to be filtered. Default: 1000.
-c, --abundanceCut NUM
- k-mer overabundance cut ratio. In range [0..1]. Default: 1.
- Verification Options:
-x, --xDrop NUM
- Maximal x-drop for extension. Default: 5.
-vs, --verification STR
- Verification strategy: exact or bestLocal or bandedGlobal One of exact, bestLocal, and bandedGlobal. Default: exact.
-dt, --disableThresh NUM
- Maximal number of verified matches before disabling verification for one query sequence (default infinity). In range [0..inf].
-n, --numMatches NUM
- Maximal number of kept matches per query and database. If STELLAR finds more matches, only the longest ones are kept. Default: 50.
-s, --sortThresh NUM
- Number of matches triggering removal of duplicates. Choose a smaller value for saving space. Default: 500.
- Output Options:
-o, --out FILE
- Name of output file. Valid filetypes are: gff and txt. Default: stellar.gff.
-od, --outDisabled FILE
- Name of output file for disabled query sequences. Valid filetypes are: fa and FASTA. Default: stellar.disabled.fasta.
- Kehr, B., Weese, D., Reinert, K.: STELLAR: fast and exact local alignments. BMC Bioinformatics, 12(Suppl 9):S15, 2011.
- stellar version: 1.3 Last update October 2012
September 2014 | stellar 1.4.1+dfsg |