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BLAST Program Options

These are the available BLAST® programs with their associated databases and other decision criteria.

Program

Input Sequence Type

Database and Other Decision Criteria

Nucleotide Query

BLASTn

nucleotide

nucleotide

BLASTx

nucleotide, translated in all reading frames

protein

tBLASTx

nucleotide, translated in all reading frames

nucleotide, comparing translations in all reading frames

Protein Query

BLASTp

protein protein
tBLASTn protein nucleotide, translated in all reading frames

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