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Old 10-25-2016, 03:17 PM   #1
rvgill
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Location: Allentown

Join Date: Oct 2016
Posts: 6
Smile 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.
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Old 10-26-2016, 08:10 AM   #2
maubp
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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).

Last edited by maubp; 10-26-2016 at 08:11 AM. Reason: fixed markup
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