<http://linkedlifedata.com/resource/pubmed/xref/GENBANK/U21506> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://linkedlifedata.com/resource/pubmed/DatabankReference> .
<http://linkedlifedata.com/resource/pubmed/xref/GENBANK/U21506> <http://linkedlifedata.com/resource/pubmed/databankName> "GENBANK" .
<http://linkedlifedata.com/resource/pubmed/xref/GENBANK/U21506> <http://linkedlifedata.com/resource/pubmed/databankAccession> "U21506" .