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Manual Reference Pages  -  BIO::SEARCH::HIT::HMMERHIT (3)

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NAME

Bio::Search::Hit::HMMERHit - A Hit module for HMMER hits

CONTENTS

SYNOPSIS



    use Bio::Search::Hit::HMMERHit;
    my $hit = Bio::Search::Hit::HMMERHit->new();
    # use it in the same way as Bio::Search::Hit::GenericHit



DESCRIPTION

This is a specialization of Bio::Search::Hit::GenericHit. There are a few news methods next_domain and domains. Note that bits and iteration make no sense for this object and will return 0.

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 - Jason Stajich

Email jason@bioperl.org

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::Hit::HMMERHit->new();
 Function: Builds a new Bio::Search::Hit::HMMERHit object
 Returns : Bio::Search::Hit::HMMERHit
 Args    :

 Plus the Bio::Search::Hit::GenericHit inherited params
           -name         => Name of Hit (required)
           -description  => Description (optional)
           -accession    => Accession number (optional)
           -length       => Length of the Hit (optional)
           -score        => Raw Score for the Hit (optional)
           -significance => Significance value for the Hit (optional)
           -algorithm    => Algorithm used (BLASTP, FASTX, etc...)
           -hsps         => Array ref of HSPs for this Hit.



    next_domain



 Title   : next_domain
 Usage   : my $domain = $hit->next_domain();
 Function: An alias for L<next_hsp()>, this will return the next HSP
 Returns : L<Bio::Search::HSP::HSPI> object
 Args    : none



    domains



 Title   : domains
 Usage   : my @domains = $hit->domains();
 Function: An alias for L<hsps()>, this will return the full list of hsps
 Returns : array of L<Bio::Search::HSP::HSPI> objects
 Args    : none



    inherited Bio::Search::Hit::GenericHit methods

    add_hsp



 Title   : add_hsp
 Usage   : $hit->add_hsp($hsp)
 Function: Add a HSP to the collection of HSPs for a Hit
 Returns : number of HSPs in the Hit
 Args    : Bio::Search::HSP::HSPI object



    Bio::Search::Hit::HitI methods

    name



 Title   : name
 Usage   : $hit_name = $hit->name();
 Function: returns the name of the Hit sequence
 Returns : a scalar string
 Args    : [optional] scalar string to set the name



    accession



 Title   : accession
 Usage   : $acc = $hit->accession();
 Function: Retrieve the accession (if available) for the hit
 Returns : a scalar string (empty string if not set)
 Args    : none



    description



 Title   : description
 Usage   : $desc = $hit->description();
 Function: Retrieve the description for the hit
 Returns : a scalar string
 Args    : [optional] scalar string to set the descrition



    length



 Title   : length
 Usage   : my $len = $hit->length
 Function: Returns the length of the hit
 Returns : integer
 Args    : [optional] integer to set the length



    algorithm



 Title   : algorithm
 Usage   : $alg = $hit->algorithm();
 Function: Gets the algorithm specification that was used to obtain the hit
           For BLAST, the algorithm denotes what type of sequence was aligned
           against what (BLASTN: dna-dna, BLASTP prt-prt, BLASTX translated
           dna-prt, TBLASTN prt-translated dna, TBLASTX translated
           dna-translated dna).
 Returns : a scalar string
 Args    : [optional] scalar string to set the algorithm



    raw_score



 Title   : raw_score
 Usage   : $score = $hit->raw_score();
 Function: Gets the "raw score" generated by the algorithm.  What
           this score is exactly will vary from algorithm to algorithm,
           returning undef if unavailable.
 Returns : a scalar value
 Args    : [optional] scalar value to set the raw score



    significance



 Title   : significance
 Usage   : $significance = $hit->significance();
 Function: Used to obtain the E or P value of a hit, i.e. the probability that
           this particular hit was obtained purely by random chance.  If
           information is not available (nor calculatable from other
           information sources), return undef.
 Returns : a scalar value or undef if unavailable
 Args    : [optional] scalar value to set the significance



    bits



 Usage     : $hit_object->bits();
 Purpose   : Gets the bit score of the best HSP for the current hit.
 Example   : $bits = $hit_object->bits();
 Returns   : Integer or undef if bit score is not set
 Argument  : n/a



See Also : score()

    next_hsp



 Title    : next_hsp
 Usage    : while( $hsp = $obj->next_hsp()) { ... }
 Function : Returns the next available High Scoring Pair
 Example  :
 Returns  : Bio::Search::HSP::HSPI object or null if finished
 Args     : none



    hsps



 Usage     : $hit_object->hsps();
 Purpose   : Get a list containing all HSP objects.
           : Get the numbers of HSPs for the current hit.
 Example   : @hsps = $hit_object->hsps();
           : $num  = $hit_object->hsps();  # alternatively, use num_hsps()
 Returns   : Array context : list of Bio::Search::HSP::BlastHSP.pm objects.
           : Scalar context: integer (number of HSPs).
           :                 (Equivalent to num_hsps()).
 Argument  : n/a. Relies on wantarray
 Throws    : Exception if the HSPs have not been collected.



See Also : hsp(), num_hsps()

    num_hsps



 Usage     : $hit_object->num_hsps();
 Purpose   : Get the number of HSPs for the present Blast hit.
 Example   : $nhsps = $hit_object->num_hsps();
 Returns   : Integer
 Argument  : n/a
 Throws    : Exception if the HSPs have not been collected.



See Also : hsps()

    rewind



 Title   : rewind
 Usage   : $hit->rewind;
 Function: Allow one to reset the HSP iteration to the beginning
           Since this is an in-memory implementation
 Returns : none
 Args    : none



    iteration



 Title   : iteration
 Usage   : $obj->iteration($newval)
 Function: PSI-BLAST iteration
 Returns : value of iteration
 Args    : newvalue (optional)



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