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How can I quickly identify RefSeq records in BLAST or Entrez search results?

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How can I quickly identify RefSeq records in BLAST or Entrez search results?

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Entrez and BLAST results both present the following formatted text as part of the returned result: gi|4557284|ref|NM_000646.1|[4557284] Data ElementComment gi”GenBank Identifier”, or sequence ID number. “gi|” denotes that the number which follows is a unique sequence id. Any change to the sequence data will result in a new gi number. 4557284The gi number. refIndicates that RefSeq is the source database. NM_000646.1The RefSeq accession and version number. Identifying NM_ and NP_ RefSeq records in BLAST results: The distinct format of RefSeq accession numbers (they include an underscore) provides a quick indication that a BLAST result includes a RefSeq record. Score E Sequences producing significant alignments: (bits) Value gi|6226959|ref|NM_000014.3| Homo sapiens alpha-2-macroglobu… 9073 0.

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