is.at

Checks if a given amino acid is at a given position.

Contains utilities for the analysis of post-translational modifications (PTMs) in proteins,
with particular emphasis on the sulfoxidation of methionine residues. Features include the ability to download,
filter and analyze data from the sulfoxidation database 'MetOSite'. Utilities to search and characterize S-aromatic motifs in proteins are also provided.
In addition, functions to analyze sequence environments around modifiable residues in proteins can be found.
For instance, 'ptm' allows to search for amino acids either overrepresented or avoided around the modifiable
residues from the proteins of interest. Functions tailored to test statistical hypothesis related to
these differential sequence environments are also implemented.
Further and detailed information regarding the methods in this package can be found in (Aledo (2020) <https://metositeptm.com>).

Juan Aledo

Analyses of Protein Post-Translational Modifications

Juan Carlos Aledo

is.at function

<dl><dt>at</dt>
<dd>the position in the primary structure of the protein.</dd>
<dt>target</dt>
<dd>a character string specifying the UniProt ID of the protein of interest or, alternatively, the sequence of that protein.</dd>
<dt>aa</dt>
<dd>the amino acid of interest.</dd>
<dt>uniprot</dt>
<dd>logical, if TRUE the argument 'target' should be an ID.</dd></dl>

Arguments

Author

Check Residue a Fixed Position — is.at

<dl>

<dt>at</dt>
<dd>the position in the primary structure of the protein.</dd>


<dt>target</dt>
<dd>a character string specifying the UniProt ID of the protein of interest or, alternatively, the sequence of that protein.</dd>


<dt>aa</dt>
<dd>the amino acid of interest.</dd>


<dt>uniprot</dt>
<dd>logical, if TRUE the argument 'target' should be an ID.</dd>

</dl>

is.at: Check Residue a Fixed Position

Description

Usage

Value

Arguments

Author

Details

See Also

Examples