SkyBLAST: Standard Protein NCBI-BLASTP

Unfortunately due to lack of commercial feasibility, the SkyBLAST service has been suspended from December 1st, 2025.
All subscriptions for paid accounts have been paused. For further information or enquiries, please email [email protected]

BLASTP programs search protein databases using a protein query. more...

Protein query sequence

Enter accession number(s), gi(s), or FASTA sequence(s)

Query subrange

From

Or, upload file

Job Title

Enter a descriptive title for your BLAST search

Search set

Database

Organism

Exclude

Models (XM/XP)Non-redundant RefSeq Proteins (WP)Uncultured/environmental sample sequences

Program selection

Algorithm

Quick BLASTP (Accelerated protein-protein BLAST)

blastp (protein-protein BLAST)

Choose a BLAST algorithm

Searching database nr using blastp (protein-protein BLAST)

Show results in a new window

Algorithm Parameters