Filter Sequence Results - BLAST

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You may filter sequence results by any combination of the following:

  • E-Value (Expect Value): The number of matches expected by chance. The value decreases as the match score increases, so selecting an e-value range on the low side displays more stringently matched results.
  • Query Coverage %: Minimum percentage of the query that must match the subject sequence. Select 100% if the entire query be must present in the subject sequence to be considered a match.
    QueryCoverage.png
  • Subject Coverage %: Minimum percentage of the subject sequence that must match the query sequence. Select 100% if the entire subject be must present in the query sequence to be considered a match.
    SubjectCoverage.png
  • Alignment Identity %: Percentage match between the query and subject sequences.
    AlignmentIdentity.png
  • Organisms: Organism names with the count of NCBI results associated with the Organism listed.
  • Sequence Length: Range of the subject sequence length.

    AlignmentAndIdentityLength.png