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Manual Reference Pages  -  BIO::SEARCH::HSP::BLASTPULLHSP (3)

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NAME

Bio::Search::HSP::BlastPullHSP - A parser and HSP object for BlastN hsps

CONTENTS

SYNOPSIS



    # generally we use Bio::SearchIO to build these objects
    use Bio::SearchIO;
    my $in = Bio::SearchIO->new(-format => hmmer_pull,
                                                           -file   => result.blast);

    while (my $result = $in->next_result) {
                while (my $hit = $result->next_hit) {
                        print $hit->name, "\n";
                        print $hit->score, "\n";
                        print $hit->significance, "\n";

                        while (my $hsp = $hit->next_hsp) {
                                # process HSPI objects
                        }
                }
    }



DESCRIPTION

This object implements a parser for BlastN hsp output.

FEEDBACK

    Mailing Lists

User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to the Bioperl mailing list. Your participation is much appreciated.



  bioperl-l@bioperl.org                  - General discussion
  http://bioperl.org/wiki/Mailing_lists  - About the mailing lists



    Support

Please direct usage questions or support issues to the mailing list:

bioperl-l@bioperl.org

rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible.

    Reporting Bugs

Report bugs to the Bioperl bug tracking system to help us keep track of the bugs and their resolution. Bug reports can be submitted via the web:



  https://github.com/bioperl/bioperl-live/issues



AUTHOR - Sendu Bala

Email bix@sendu.me.uk

APPENDIX

The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _

    new



 Title   : new
 Usage   : my $obj = Bio::Search::HSP::BlastNHSP->new();
 Function: Builds a new Bio::Search::HSP::BlastNHSP object.
 Returns : Bio::Search::HSP::BlastNHSP
 Args    : -chunk  => [Bio::Root::IO, $start, $end] (required if no -parent)
           -parent => Bio::PullParserI object (required if no -chunk)

           where the array ref provided to -chunk contains an IO object
           for a filehandle to something representing the raw data of the
           hsp, and $start and $end define the tell() position within the
           filehandle that the hsp data starts and ends (optional; defaults
           to start and end of the entire thing described by the filehandle)



    query



 Title   : query
 Usage   : my $query = $hsp->query
 Function: Returns a SeqFeature representing the query in the HSP
 Returns : L<Bio::SeqFeature::Similarity>
 Args    : none



    hit



 Title   : hit
 Usage   : my $hit = $hsp->hit
 Function: Returns a SeqFeature representing the hit in the HSP
 Returns : L<Bio::SeqFeature::Similarity>
 Args    : [optional] new value to set



    gaps



 Title    : gaps
 Usage    : my $gaps = $hsp->gaps( [query|hit|total] );
 Function : Get the number of gap characters in the query, hit, or total alignment.
 Returns  : Integer, number of gap characters or 0 if none
 Args     : query = num conserved / length of query seq (without gaps)
            hit   = num conserved / length of hit seq (without gaps)
            total = num conserved / length of alignment (with gaps)
            default = total



    strand



 Title   : strand
 Usage   : $hsp->strand(query)
 Function: Retrieves the strand for the HSP component requested
 Returns : +1 or -1 (0 if unknown)
 Args    : hit or subject or sbjct to retrieve the strand of the subject
           query to retrieve the query strand (default)
           list or array to retreive both query and hit together



    start



 Title   : start
 Usage   : $hsp->start(query)
 Function: Retrieves the start for the HSP component requested
 Returns : integer, or list of two integers (query start and subject start) in
           list context
 Args    : hit or subject or sbjct to retrieve the start of the subject
           query to retrieve the query start (default)



    end



 Title   : end
 Usage   : $hsp->end(query)
 Function: Retrieves the end for the HSP component requested
 Returns : integer, or list of two integers (query end and subject end) in
           list context
 Args    : hit or subject or sbjct to retrieve the end of the subject
           query to retrieve the query end (default)



    pvalue



 Title   : pvalue
 Usage   : my $pvalue = $hsp->pvalue();
 Function: Returns the P-value for this HSP
 Returns : undef (Hmmpfam reports do not have p-values)
 Args    : none



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perl v5.20.3 BIO::SEARCH::HSP::BLASTPULLHSP (3) 2016-04-05

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