A TXT-type anvi’o artifact. This artifact is typically generated, used, and/or exported by anvi’o (and not provided by the user)..

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Provided by

anvi-get-aa-counts anvi-get-codon-frequencies

Required or used by

There are no anvi’o tools that use or require this artifact directly, which means it is most likely an end-product for the user.


This file contains the frequency of each amino acid for some reference context in your contigs-db.

This is a tab-delimited table where each column represents an amino acid and each row represents a specific reference context (most often this will be a gene after running anvi-get-codon-frequencies). The numbers will either refer to counts of each amino acid or precent normalizations depending on the parameters with which you ran anvi-get-codon-frequencies.

You can also use anvi-get-aa-counts to get this information for a bin, collection, or splits-txt.


gene_caller_id  Ala Arg Thr Asp ...
    1           0   0   1   2
    2           1   0   0   2

Edit this file to update this information.