<em>SEQUENCE_REF</em> sequence reference statement, the sequence representative
for the group will be set to the referenced sequence.<!-- <br><strong>Note:</strong> if the <em>hide</em>
property is set then only the representative sequence for the group will be shown in the alignment.--></li>
<em>SEQUENCE_REF</em> sequence reference statement, the sequence representative
for the group will be set to the referenced sequence.<!-- <br><strong>Note:</strong> if the <em>hide</em>
property is set then only the representative sequence for the group will be shown in the alignment.--></li>