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BlastN.MegablastParams Type

DSL fo the blastn 'megablast' task command line options megablast is usually used for very similar sequences (e.g, sequencing errors)

Union cases

Union case Description

DBHardMask int

Full Usage: DBHardMask int

Parameters:
    Item : int

Filtering algorithm ID to apply to the BLAST database as hard mask (i.e., sequence is masked for all phases of search).

Item : int

DBSoftMask int

Full Usage: DBSoftMask int

Parameters:
    Item : int

Filtering algorithm ID to apply to the BLAST database as soft mask (i.e., only for finding initial matches).

Item : int

Dust string

Full Usage: Dust string

Parameters:
    Item : string

Filter query sequence with dust.

Item : string

FilteringDB string

Full Usage: FilteringDB string

Parameters:
    Item : string

Mask query using the sequences in this database.

Item : string

GapExtend int

Full Usage: GapExtend int

Parameters:
    Item : int

gapextend

Item : int

GapOpen int

Full Usage: GapOpen int

Parameters:
    Item : int

Cost to open a gap. See appendix “BLASTN reward/penalty values”.

Item : int

IndexName string

Full Usage: IndexName string

Parameters:
    Item : string

MegaBLAST database index name.

Item : string

LowerCaseMasking

Full Usage: LowerCaseMasking

Use lower case filtering in query and subject sequence(s).

MinRawGappedScore int

Full Usage: MinRawGappedScore int

Parameters:
    Item : int

Minimum raw gapped score to keep an alignment in the preliminary gapped and trace-back stages. Normally set based upon expect value.

Item : int

NoGreedy

Full Usage: NoGreedy

Use non-greedy dynamic programming extension.

Penalty int

Full Usage: Penalty int

Parameters:
    Item : int

Penalty for a nucleotide mismatch.

Item : int

PercIdentity int

Full Usage: PercIdentity int

Parameters:
    Item : int

Percent identity cutoff.

Item : int

Reward int

Full Usage: Reward int

Parameters:
    Item : int

Reward for a nucleotide match.

Item : int

SoftMasking bool

Full Usage: SoftMasking bool

Parameters:
    Item : bool

Apply filtering locations as soft masks (i.e., only for finding initial matches).

Item : bool

Strand string

Full Usage: Strand string

Parameters:
    Item : string

Query strand(s) to search against database/subject. Choice of both, minus, or plus.

Item : string

Ungapped

Full Usage: Ungapped

Perform ungapped alignment.

UseIndex bool

Full Usage: UseIndex bool

Parameters:
    Item : bool

Use MegaBLAST database index. Indices may be created with the makembindex application.

Item : bool

WindowMaskerDB string

Full Usage: WindowMaskerDB string

Parameters:
    Item : string

Enable WindowMasker filtering using this file.

Item : string

WindowMaskerTaxId int

Full Usage: WindowMaskerTaxId int

Parameters:
    Item : int

Enable WindowMasker filtering using a Taxonomic ID.

Item : int

WordSize int

Full Usage: WordSize int

Parameters:
    Item : int

Length of initial exact match.

Item : int

XDropGap float

Full Usage: XDropGap float

Parameters:
    Item : float

Heuristic value (in bits) for preliminary gapped extensions.

Item : float

XDropGapFinal float

Full Usage: XDropGapFinal float

Parameters:
    Item : float

Heuristic value (in bits) for final gapped alignment.

Item : float

XDropUngap float

Full Usage: XDropUngap float

Parameters:
    Item : float

Heuristic value (in bits) for ungapped extensions.

Item : float

Static members

Static member Description

MegablastParams.makeCmd

Full Usage: MegablastParams.makeCmd

Returns: MegablastParams -> string list
Returns: MegablastParams -> string list

MegablastParams.makeCmdWith m

Full Usage: MegablastParams.makeCmdWith m

Parameters:
Returns: MegablastParams -> string list
m : MountInfo
Returns: MegablastParams -> string list

Type something to start searching.