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-   -   getting .nal files from blast (http://seqanswers.com/forums/showthread.php?t=72192)

rvgill 10-25-2016 02:17 PM

getting .nal files from blast
 
Hello,

So I am making my own databases from fasta files using Blast version ncbi-blast-2.5.0+.dmg and getting an error that is linking back to by database creation by not having a .nal file created.
I am entering in:
makeblastdb -in test2.fasta -out MV1SDB_a/MV1SDB_a -parse_seqids -dbtype nucl

And getting the following files outputs:
MV1SDB_a.nhr
MV1SDB_a.nin
MV1SDB_a.nog
MV1SDB_a.nsd
MV1SDB_a.nsi
MV1SDB_a.nsq

How do I change my coding to recieve a .nal file as one of my outputs.

maubp 10-26-2016 07:10 AM

This is a near duplicate of your other thread where you have been given advice and help: http://seqanswers.com/forums/showthread.php?t=72083

The .nal file is a plain text file describing how to treat a set of BLAST nucleotide database "chunks" as a single database. When making a database from a single FASTA file this won't happen (unless your FASTA file has an enormous number of sequences).


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