EMBOSS can retrieve specific data types (sequences, features, taxonomy, resources, ontology terms) as defined ACD types.
Where there is no defined ACD inpu type, EMBOSS can retrieve the text of a database entry where the information is provided in a human-readable text format.
For many data resources there is no retrievable data format. In these cases EMBOSS can use the Data Resource Catalogue to construct URLs that can be viewed in the user's preferred browser which should be able to render them in a meaningful way.
The Query records are searched to find a query that returns HTML data (not parseable as text). The user-supplied identifier is inserted in the query to construct a URL.
If the identifier is specified as a swissprot (-swiss) or EMBL (-embl) cross-reference the defiitions of swissprot or EMBL cross-references in the DRCAT entry are used to select queries matching the identifier type.
Alternatively, the EDAM term name describing the identifier can be provided by the user to resolve the selection from multiple queries.
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The -oformat qualifier provides a choice of formats which may be extended in future releases.