at</h2>

    <h3>Description</h3>
    <div class="indent">
      <p>Almost all MEME Suite programs make use of alphabets to understand the
      meaning of sequences or motifs. The MEME Suite programs support
      three standard alphabets: the <a href="alphabets.html#dna">DNA</a>,
      <a href="alphabets.html#rna">RNA</a> and
      <a href="alphabets.html#protein">protein</a> alphabets. 
      The MEME Suite also allows you to define a custom
      alphabet to allow you to explore motifs containing, for e