span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>
    <dl><dt>x</dt>
<dd><p>a DNA, RNA or AA vector</p></dd>


<dt>short</dt>
<dd><p>logical. If TRUE, the function will return
3-letters short names for amino acids (ignored for DNA and RNA).</p></dd>


<dt>collapse</dt>
<dd><p>a character vector to separate the results.
Set to <code>NULL</code> to avoid collapsing the results.</p></dd>

</dl></div>
    <div id="value">
    <h2>Value</h2>
    

<p>A