Difference between revisions of "HMMER"

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[[Category:Software]][[Category:Bioinformatics]][[Category:Homology]]
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{|<!--Main settings - REQUIRED-->
 
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|{{#vardefine:app|hmmer}}
 
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|{{#vardefine:url|http://hmmer.janelia.org/}}
 
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strength came at significant computational expense, but in the new HMMER3
 
strength came at significant computational expense, but in the new HMMER3
 
project, HMMER is now essentially as fast as BLAST.
 
project, HMMER is now essentially as fast as BLAST.
 
 
<!--Modules-->
 
<!--Modules-->
==Required Modules==
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==Environment Modules==
[[Modules|modules documentation]]
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Run <code>module spider {{#var:app}}</code> to find out what environment modules are available for this application.
===Serial===
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==System Variables==
*{{#var:app}}
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* HPC_{{uc:{{#var:app}}}}_DIR - installation directory
 
* HPC_HMMER_BIN - executable directory
 
* HPC_HMMER_BIN - executable directory
{{#if: {{#var: exe}}|==How To Run==
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{{#if: {{#var: exe}}|==Additional Information==
WRITE INSTRUCTIONS ON RUNNING THE ACTUAL BINARY|}}
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phmmer and hmmsearch only work with fasta formatted target sequence databases. We provide the following fasta formatted databases either downloaded or extracted from the BLAST databases:
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* [http://www.uniprot.org/ UniProt] - /project/bio/fasta/uniprot/uniprot_sprot.fasta
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* [http://www.ncbi.nlm.nih.gov/protein NCBI NR] - /project/bio/fasta/nr/nr.fa
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* [http://www.ncbi.nlm.nih.gov/protein NCBI RefSeq] - /project/bio/fasta/refseq/refseq_protein.fa
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|}}
 
{{#if: {{#var: conf}}|==Configuration==
 
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See the [[{{PAGENAME}}_Configuration]] page for {{#var: app}} configuration details.|}}

Latest revision as of 18:18, 15 August 2022

Description

hmmer website  

HMMER is used for searching sequence databases for homologs of protein sequences, and for making protein sequence alignments. It implements methods using probabilistic models called profile hidden Markov models (profile HMMs). Compared to BLAST, FASTA, and other sequence alignment and database search tools based on older scoring methodology, HMMER aims to be significantly more accurate and more able to detect remote homologs because of the strength of its underlying mathematical models. In the past, this strength came at significant computational expense, but in the new HMMER3 project, HMMER is now essentially as fast as BLAST.

Environment Modules

Run module spider hmmer to find out what environment modules are available for this application.

System Variables

  • HPC_HMMER_DIR - installation directory
  • HPC_HMMER_BIN - executable directory

Additional Information

phmmer and hmmsearch only work with fasta formatted target sequence databases. We provide the following fasta formatted databases either downloaded or extracted from the BLAST databases:

  • UniProt - /project/bio/fasta/uniprot/uniprot_sprot.fasta
  • NCBI NR - /project/bio/fasta/nr/nr.fa
  • NCBI RefSeq - /project/bio/fasta/refseq/refseq_protein.fa