WIPO Sequence and ST.26 Knowledge Base

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How to annotate the deletion of a residue using misc_difference feature key

When providing a qualifier for a misc_difference feature key, both of the following means are acceptable according to paragraph 97 of WIPO ST.26:

  • Indication in the “note” or “NOTE” qualifier that the residue may be deleted
<INSDFeature>
    <INSDFeature_key>misc_difference</INSDFeature_key>
    <INSDFeature_location>63..71</INSDFeature_location>
    <INSDFeature_quals>
        <INSDQualifier>
            <INSDQualifier_name>note</INSDQualifier_name>
            <INSDQualifier_value>This region may be deleted</INSDQualifier_value>
        </INSDQualifier>
    </INSDFeature_quals>
</INSDFeature>



  • An empty qualifier value for the “replace” qualifier
<INSDFeature>
    <INSDFeature_key>misc_difference</INSDFeature_key>
    <INSDFeature_location>63..71</INSDFeature_location>
    <INSDFeature_quals>
        <INSDQualifier>
            <INSDQualifier_name>replace</INSDQualifier_name>
            <INSDQualifier_value></INSDQualifier_value>
        </INSDQualifier>
    </INSDFeature_quals>
</INSDFeature>