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NAMEBio::Tools::Run::Alignment::Probalign - Object for the calculation of a multiple sequence alignment from a set of unaligned sequences or alignments using the Probalign programSYNOPSIS# Build a muscle alignment factory $factory = Bio::Tools::Run::Alignment::Probalign->new(@params); # Pass the factory a list of sequences to be aligned. $inputfilename = 't/cysprot.fa'; # $aln is a SimpleAlign object. $aln = $factory->align($inputfilename); # or where @seq_array is an array of Bio::Seq objects $seq_array_ref = \@seq_array; $aln = $factory->align($seq_array_ref); # Or one can pass the factory a pair of (sub)alignments #to be aligned against each other, e.g.: #There are various additional options and input formats available. #See the DESCRIPTION section that follows for additional details. $factory = Bio::Tools::Run::Alignment::Probalign->new(); $factory->outfile_name("$dir/$subdir/$outdir/outfile.afa"); $aln = $factory->align($seq_array_ref); DESCRIPTIONProbalign: multiple sequence alignment using partition function posterior probabilities.Probalign uses partition function posterior probability estimates to compute maximum expected accuracy multiple sequence alignments. You can get it and see information about it at this URL http://www.cs.njit.edu/usman/probalign Helping the module find your executableYou will need to enable Probalign to find the probalign program. This can be done in (at least) three ways:1. Make sure the probalign executable is in your path (i.e. 'which probalign' returns a valid program 2. define an environmental variable PROBALIGNDIR which points to a directory containing the 'probalign' app: In bash export PROBALIGNDIR=/home/progs/probalign or In csh/tcsh setenv PROBALIGNDIR /home/progs/probalign 3. include a definition of an environmental variable PROBALIGNDIR in every script that will BEGIN {$ENV{PROBALIGNDIR} = '/home/progs/probalign'; } use Bio::Tools::Run::Alignment::Probalign; FEEDBACKMailing ListsUser feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists. Your participation is much appreciated.bioperl-l@bioperl.org - General discussion http://bioperl.org/wiki/Mailing_lists - About the mailing lists SupportPlease 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 BugsReport bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web:http://redmine.open-bio.org/projects/bioperl/ AUTHOR - Albert VilellaEmail avilella-at-gmail-dot-comAPPENDIXThe rest of the documentation details each of the object methods. Internal methods are usually preceded with a _program_nameTitle : program_name Usage : $factory->program_name() Function: holds the program name Returns: string Args : None program_dirTitle : program_dir Usage : $factory->program_dir(@params) Function: returns the program directory, obtained from ENV variable. Returns: string Args : newTitle : new Usage : my $probalign = Bio::Tools::Run::Alignment::Probalign->new(); Function: Constructor Returns : Bio::Tools::Run::Alignment::Probalign Args : -outfile_name => $outname error_stringTitle : error_string Usage : $obj->error_string($newval) Function: Where the output from the last analysus run is stored. Returns : value of error_string Args : newvalue (optional) versionTitle : version Usage : exit if $prog->version() < 1.8 Function: Determine the version number of the program Example : Returns : float or undef Args : none runTitle : run Usage : my $output = $application->run(\@seqs); Function: Generic run of an application Returns : Bio::SimpleAlign object Args : Arrayref of Bio::PrimarySeqI objects or a filename to run on alignTitle : align Usage : $inputfilename = 't/data/cysprot.fa'; $aln = $factory->align($inputfilename); or $seq_array_ref = \@seq_array; # @seq_array is array of Seq objs $aln = $factory->align($seq_array_ref); Function: Perform a multiple sequence alignment Returns : Reference to a SimpleAlign object containing the sequence alignment. Args : Name of a file containing a set of unaligned fasta sequences or else an array of references to Bio::Seq objects. Throws an exception if argument is not either a string (eg a filename) or a reference to an array of Bio::Seq objects. If argument is string, throws exception if file corresponding to string name can not be found. If argument is Bio::Seq array, throws exception if less than two sequence objects are in array. _runTitle : _run Usage : Internal function, not to be called directly Function: makes actual system call to probalign program Example : Returns : nothing; probalign output is written to a temporary file OR specified output file Args : Name of a file containing a set of unaligned fasta sequences and hash of parameters to be passed to probalign _setinputTitle : _setinput Usage : Internal function, not to be called directly Function: Create input file for probalign program Example : Returns : name of file containing probalign data input AND Args : Arrayref of Seqs or input file name _setparamsTitle : _setparams Usage : Internal function, not to be called directly Function: Create parameter inputs for probalign program Example : Returns : parameter string to be passed to probalign during align or profile_align Args : name of calling object aformatTitle : aformat Usage : my $alignmentformat = $self->aformat(); Function: Get/Set alignment format Returns : string Args : string Bio::Tools::Run::BaseWrapper methodsno_param_checksTitle : no_param_checks Usage : $obj->no_param_checks($newval) Function: Boolean flag as to whether or not we should trust the sanity checks for parameter values Returns : value of no_param_checks Args : newvalue (optional) save_tempfilesTitle : save_tempfiles Usage : $obj->save_tempfiles($newval) Function: Returns : value of save_tempfiles Args : newvalue (optional) outfile_nameTitle : outfile_name Usage : my $outfile = $probalign->outfile_name(); Function: Get/Set the name of the output file for this run (if you wanted to do something special) Returns : string Args : [optional] string to set value to tempdirTitle : tempdir Usage : my $tmpdir = $self->tempdir(); Function: Retrieve a temporary directory name (which is created) Returns : string which is the name of the temporary directory Args : none cleanupTitle : cleanup Usage : $probalign->cleanup(); Function: Will cleanup the tempdir directory Returns : none Args : none ioTitle : io Usage : $obj->io($newval) Function: Gets a L<Bio::Root::IO> object Returns : L<Bio::Root::IO> Args : none
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