text: user10328: Can some explain why when I run a REST API query on UniProt for one ID ('Q9UJL9'), the results for three IDs are returned?
  The query I'm using is:
  https://www.uniprot.org/uniprot/?query=Q9UJL9&sort=score&columns=id,go(molecular%20function)&format=tab
  (I didn't hyperlink it since you need to see the query to see where I'm going wrong).
  When I run the query above, the output is:
  Entry   Gene ontology (molecular function)
  Q9UJL9  DNA-binding transcription factor activity, RNA polymerase II-specific [GO:0000981]; DNA-binding transcription repressor activity, RNA polymerase II-specific [GO:0001227]; metal ion binding [GO:0046872]; RNA polymerase II transcription regulatory region sequence-specific DNA binding [GO:0000977]
  Q8WWY3  identical protein binding [GO:0042802]; ribonucleoprotein complex binding [GO:0043021]; RNA binding [GO:0003723]; snRNP binding [GO:0070990]; U4atac snRNA binding [GO:0030622]; U4 snRNA binding [GO:0030621]
  Q6A162  structural molecule activity [GO:0005198]
  
  I checked the uniprot page of the query I want (Q9UJL9), the other items are interactors (along with many others) but not synonyms/linked (it seems, e.g my query is a zinc finger, one of the linked records, Q6A162, is a keratin protein).
  
  user2499: it is because you do a text search and the "word" Q9UJL9 appears in multiple entries. If you want an id search, specifically say so and for that the query syntax is id:Q9UJL9. You will want to follow a redirect, and there are some rare cases where that might still lead to more than one entry if the id was made secondary and attached to multiple entries. e.g. P00001.
  
original_text: 10328: <p>Can some explain why when I run a REST API query on UniProt for one ID ('Q9UJL9'), the results for three IDs are returned?</p>
  <p>The query I'm using is:</p>
  <p><a href="https://www.uniprot.org/uniprot/?query=Q9UJL9&amp;sort=score&amp;columns=id,go(molecular%20function)&amp;format=tab" rel="nofollow noreferrer">https://www.uniprot.org/uniprot/?query=Q9UJL9&amp;sort=score&amp;columns=id,go(molecular%20function)&amp;format=tab</a></p>
  <p>(I didn't hyperlink it since you need to see the query to see where I'm going wrong).</p>
  <p>When I run the query above, the output is:</p>
  <pre><code>Entry   Gene ontology (molecular function)
  Q9UJL9  DNA-binding transcription factor activity, RNA polymerase II-specific [GO:0000981]; DNA-binding transcription repressor activity, RNA polymerase II-specific [GO:0001227]; metal ion binding [GO:0046872]; RNA polymerase II transcription regulatory region sequence-specific DNA binding [GO:0000977]
  Q8WWY3  identical protein binding [GO:0042802]; ribonucleoprotein complex binding [GO:0043021]; RNA binding [GO:0003723]; snRNP binding [GO:0070990]; U4atac snRNA binding [GO:0030622]; U4 snRNA binding [GO:0030621]
  Q6A162  structural molecule activity [GO:0005198]
  </code></pre>
  <p>I checked the uniprot page of the query I want (Q9UJL9), the other items are interactors (along with many others) but not synonyms/linked (it seems, e.g my query is a zinc finger, one of the linked records, Q6A162, is a keratin protein).</p>
   2499: <p>it is because you do a text search and the &quot;word&quot; Q9UJL9 appears in multiple entries. If you want an id search, specifically say so and for that the query syntax is <code>id:Q9UJL9</code>. You will want to follow a redirect, and there are some rare cases where that might still lead to more than one entry if the id was made secondary and attached to multiple entries. e.g. P00001.</p>
  