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6.2 Description section

The description section is marked by the Score line and displays the deflines of the database sequences matching the query. Each line of description contains the seqID, partial defline, alignment bit score, and alignment Expect value as shown below.

Image description
Figure 6.2.1 An example Description section from a blastn search.

Note:

A - seqID of the database sequence (without gi since -I was not specified)

B - partial defline of the database sequence

C - best alignment bit score from this database sequence

D - Expect value of the alignment

If there are no hits found to any database sequences for a given, the description and alignment sections will be replaced with '***** No hits found ******' line. This is followed by result for the next query or search statistics section. See details below.

Image No_hits
Figure 6.2.2 An example Description section from a blastn search.

Note:

A - no hits found line indicates that this query has no database matches

B - the result for the next query is given afterward


next up previous contents index
Next: 6.3 Alignment section Up: 6 Available BLAST alignment Previous: 6.1 Header Section   Contents   Index
Tao Tao 2006-12-29