NCBI BLAST Search with Entrez and SRS Links

BLAST search performed using the National Center for Biotechnology Information's BLAST WWW Server.

Links to Entrez to the Sequence Retrieval System (SRS) and to RepeatMasker provided by the Human Genome Center, Baylor College of Medicine


Choose a program to use and database to search:

Program Database Perform ungapped alignment

The query sequence is filtered for low complexity regions by default.

Enter the sequence here in FASTA format:

Advanced options for the BLAST server:

Expect
Choose an organism from the taxonomy database at NCBI list to limit your BLAST search:

Genetic Codes (blastx only)

Matrix with Gap existence cost and Per residue gap cost and Lambda ratio


Sequence Filtering:

Protein Filter
DNA Filter

More Options:

Graphical Overview NCBI-GI
Descriptions and Alignments Other advanced options:



Credits to: Tom Madden (madden@ncbi.nlm.nih.gov), Sergei B. Shavirin (shavirin@ncbi.nlm.nih.gov, and Jinghui Zhang zjing@ncbi.nlm.nih.gov)
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BCM HGSC