The BLAST Search wizard is used to search a query sequence against one of NCBI’s databases. The sequence can be part or all of an active sequence, another sequence file on your computer, or typed/pasted-in text. The wizard consists of four consecutive screens, each described in a separate topic:
To launch the BLAST Search wizard, use one of the following commands or tools. Some commands let you launch the wizard with the workflow pre-selected and the Search list already pre-populated.
|Command, shortcut or tool||Description|
| Press Search on the left of the Welcome screen, then choose Search on the right
||Launches the wizard at the Query screen.|
|Search > Sequence Search||Launches the wizard at the Query screen.|
| Use the “Change search strategy” tool () from the
Text, Table or Pairwise views
|Search > Sequence Search with Selection||Launches the wizard at the Query screen, whose table is pre-populated with the currently-selected portion of sequence.|
|Search > Sequence Search with All Sequences||Launches the wizard at the Query screen, whose table is pre-populated with all sequences in the document.|
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