---
name: "Bio::Matrix::PSM::IO::psiblast"
section: "3pm"
platform: "linux"
package: "libbio-perl-perl"
version: "1.7.8-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Bio::Matrix::PSM::IO::psiblast"
---

# Bio::Matrix::PSM::IO::psiblast(3pm)

PSM psiblast parser

## NAME

Bio::Matrix::PSM::IO::psiblast - PSM psiblast parser

## SYNOPSIS

See Bio::Matrix::PSM::IO for documentation

## DESCRIPTION

Parser for ASCII matrices from PSI-BLAST (blastpgp program in BLAST distribution).

## 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 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
```

### 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 the bugs and their resolution.  Bug reports can be submitted via the web:

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

## AUTHOR - James Thompson

Email tex@biosysadmin.com

## APPENDIX

### new

```
 Title   : new
 Usage   : my $psmIO  =  Bio::Matrix::PSM::IO->new(-format=>'psiblast',
                                                  -file=>$file);
 Function: Associates a file with the appropriate parser
 Throws  :
 Example :
 Args    :
 Returns : Bio::Matrix::PSM::ProtMatrix->new(@args);
```

### next\_psm

```
 Title   : next_psm
 Usage   : my $psm = $psmIO->next_psm();
 Function: Reads the next PSM from the input file, associated with this object
 Throws  : None
 Returns : Bio::Matrix::PSM::ProtPsm object
 Args    : none
```