Category · NLM Customer Support Center

What can we help you with?

How do I reduce search load to avoid being penalized for heavy usage when teaching BLAST in a classroom?
Measures to help avoid usage penalty when using BLAST in a class setting
What is Accession-Based BLAST?
How do I search a eukaryotic genome with BLAST?
How many sequences can I submit for a BLAST search at one time?
How long can I continue using the traditional BLAST databases?
How can I limit standalone BLAST+ searches by organism?
Why don't I see the Entrez Query option when I select a protein database?
Does "blastdb_aliastool" support the Accession-Based BLAST databases?
How do I use BLAST+ command-line tools with the new Accession-Based BLAST system?
How do I report BLAST+ problems?
How do I download and share BLAST search-strategy files?
Steps to download search strategies BLAST searches, as well as steps to upload a search strategy file to regenerate the search settings
How do I use BLAST for 16S ribosomal RNA sequences to identify or verify prokaryotic organisms?
Does "update_blastdb.pl" support the Accession-Based BLAST databases?
Why doesn't BLAST find my sequence even though it is in GenBank?
When I run a BLAST search, why do I get a “Process terminated by SIGXCPU” error?
What are the advantages of Accession-Based BLAST?
Why do I see only 100 sequences in my BLAST search results even though I changed Max target sequences to 500 prior to my search?
How does BLAST penalize heavy usage from an IP address?
BLAST usage limit and monitoring
What is a BLAST request ID (RID) and why do I need it?
Request ID for BLAST search
How can I bookmark a BLAST search page?
How to use the "bookmark page" button to share/store blast search settings