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 |
|---|---|
| Search > Sequence Search | Launches the wizard at the Query screen. |
Use the “Change search strategy” tool ( ) from the Text, Table or Pairwise views |
|
From the Welcome screen, choose Search and then Search for sequences.  |
|
| Search > Sequence Search with Selection | Launches the wizard at the Query screen, whose table is pre-populated with the currently-selected portion of sequence. |
| Press Ctrl/Cmd+B | |
| 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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