If you cannot use the Perl script, you can download the database volumes manually via the NCBI BLAST DB FTP directory .
The most efficient way to download the nt database is using the update_blastdb.pl script, which is included in the BLAST+ bin directory. This script automatically handles multiple volumes and can resume interrupted downloads. update_blastdb.pl --decompress nt Use code with caution. download blast nt database
: A newer, more focused version of the nt database that excludes high-volume, less-curated sequences like WGS and EST. Get NCBI BLAST databases - NCBI - NIH If you cannot use the Perl script, you
: Automatically extracts the .tar.gz files into ready-to-use BLAST database files. download blast nt database