Use this form for fast querying of a protein sequence against a broader taxonomic group and millions of proteins.
The DIAMOND BLASTP command can be used as a fast and sensitive alternative to BLASTP searches. Using an amino acid query sequence, it can search a database of proteins sequences hundreds of times faster than BLASTP.
More details on DIAMOND are available at the developers' website or in the following publication:
Benjamin Buchfink, Chao Xie & Daniel H. Huson (2015).
Fast and Sensitive Protein Alignment using DIAMOND
Nature Methods, 12, 59–60 (2015) doi:10.1038/nmeth.3176.
On this site, you can use DIAMOND BLASTP to query an amino acid sequence against a protein sequence database. For searches of large data sets (e.g. protein sequences from ALL strains in this database), this is now the only available option.
Note 2: If you prefer to use BLASTP, you can perform a BLASTP search against a single isolate here.