Bio::Tools Prints
SummaryIncluded librariesPackage variablesSynopsisDescriptionGeneral documentationMethods
Summary
Bio::Tools::Prints - Parser for FingerPRINTScanII program
Package variables
No package variables defined.
Included modules
Bio::Root::IO
Bio::Root::Root
Bio::SeqFeature::FeaturePair
Bio::SeqFeature::Generic
Inherit
Bio::Root::IO Bio::Root::Root
Synopsis
  use Bio::Tools::Prints;
  my $prints_parser = new Bio::Tools::Prints(-fh =>$filehandle );
  while( my $prints_feat = $prints_parser->next_result ) {
        push @prints_feat, $prints_feat;
  }
Description
 PRINTScan II is a PRINTS fingerprint identification algorithm.
 Copyright (C) 1998,1999  Phil Scordis
Methods
newDescriptionCode
next_resultDescriptionCode
create_featureDescriptionCode
print_sacDescriptionCode
seqnameDescriptionCode
Methods description
newcode    nextTop
 Title   : new
 Usage   : my $obj = new Bio::Tools::Prints(-fh=>$filehandle);
 Function: Builds a new Bio::Tools::Prints object
 Returns : Bio::Tools::Prints
 Args    : -filename
           -fh (filehandle)
next_resultcodeprevnextTop
 Title   : next_result
 Usage   : my $feat = $prints_parser->next_result
 Function: Get the next result set from parser data
 Returns : Bio::SeqFeature::Generic
Args : none
create_featurecodeprevnextTop
 Title   : create_feature
 Usage   : my $feat=$prints_parser->create_feature($feature,$seqname)
 Function: creates a SeqFeature Generic object
 Returns : Bio::SeqFeature::Feature
Args :
print_saccodeprevnextTop
 Title   : print_sac
 Usage   : $prints_parser->print_sac($print_sac)
 Function: get/set for print_sac
 Returns :
 Args    :
seqname codeprevnextTop
 Title   : seqname
 Usage   : $prints_parser->seqname($seqname)
 Function: get/set for seqname
 Returns :
 Args    :
Methods code
newdescriptionprevnextTop
sub new {
      my($class,@args) = @_;

      my $self = $class->SUPER::new(@args);
      $self->_initialize_io(@args);

      return $self;
}
next_resultdescriptionprevnextTop
sub next_result {
    my ($self) = @_;
    my %printsac;
    my @features;
    my $line;
    my $sequenceId;
     
    while ($_=$self->_readline()) {
      
           $line = $_;
           chomp $line;

           if ($line =~ s/^Sn;//) { # We have identified a Sn; line so there should be the following:
($sequenceId) = $line =~ /^\s*(\w+)/; $self->seqname($sequenceId); next; } if ($line =~ s/^1TBH//) { my ($id) = $line =~ /^\s*(\w+)/; my ($ac) = $line =~ /(PR\w+)\s*$/; $printsac{$id} = $ac; $self->print_sac(\%printsac); next; } if ($line =~ s/^3TB//) { if ($line =~ s/^[HN]//) { my($num)=""; $line =~ s/^\s+//; my @elements = split /\s+/, $line; my ($fingerprintName,$motifNumber,$temp,$tot,$percentageIdentity,$profileScore,$pvalue,$subsequence,$motifLength,$lowestMotifPosition,$matchPosition,$highestMotifPosition) = @elements; my $start = $matchPosition; my $end = $matchPosition + $motifLength - 1; my $print_sac = $self->print_sac; my %printsac = %{$print_sac}; my $print = $printsac{$fingerprintName}; my $seqname=$self->seqname; my $feat = "$print,$start,$end,$percentageIdentity,$profileScore,$pvalue"; my $new_feat = $self->create_feature($feat,$seqname); return $new_feat; } if ($line =~ s/^F//) { return; } next; } next; }
}
create_featuredescriptionprevnextTop
sub create_feature {
    my ($self, $feat,$sequenceId) = @_;

    my @f = split (/,/,$feat);
    # create feature object
my $feature= Bio::SeqFeature::Generic->new( -seq_id =>$sequenceId, -start=>$f[1], -end => $f[2], -score => $f[4], -source => "PRINTS", -primary =>$f[0], -logic_name => "PRINTS", ); $feature->add_tag_value('evalue',$f[5]); $feature->add_tag_value('percent_id',$f[3]); my $feature2 = Bio::SeqFeature::Generic->new( -seq_id => $f[0], -start => 0, -end => 0, ); my $fp = Bio::SeqFeature::FeaturePair->new( -feature1 => $feature, -feature2 => $feature2 ); return $fp;
}
print_sacdescriptionprevnextTop
sub print_sac {
    my $self = shift;
    return $self->{'print_sac'} = shift if @_;
    return $self->{'print_sac'};
}
seqnamedescriptionprevnextTop
sub seqname {
    my($self,$seqname)=@_;
    return $self->{'seqname'}=$seqname if(defined($seqname));
    return $self->{'seqname'};
}
General documentation
FEEDBACKTop
Mailing ListsTop
 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/MailList.shtml  - About the mailing lists
Reporting BugsTop
 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
 email or the web:

 bioperl-bugs@bioperl.org
 http://bugzilla.bioperl.org/
AUTHOR - Balamurugan KumarasamyTop
 bala@tll.org.sg
juguang@tll.org.sg
APPENDIXTop
 The rest of the documentation details each of the object methods.
 Internal methods are usually preceded with a _