Quantcast
Channel: Post Feed
Browsing all 41826 articles
Browse latest View live
↧

Blast On A Custom Galaxy Server Is Unable To Find Database

Hello,I am currently trying to use megablast on a Galaxy server. I use a custom db that I prepared with makeblastdb -in some_sequences.fasta -dbtype nucl -out some_sequences. I put the path to my...

View Article


Biopython-Blast:Querying A Single Sequence Without Input File

Hello, I am studying the application of blast in biopython. Now a problem is troubling me. I have to create a fasta file to use the function NcbiblastpCommandline( which is similar to blastp in...

View Article


In Blast+, How Can I Ignore The *** No Hits Found *** In Output

Hi,Doing a blast+, using the default output ( -outfmt 0 ), there is a way to not save all the queries that doesn't hit ? I want to eliminate from output the lines around No hits found , I think it's...

View Article

Analyzing Overlap Of Results Between Blast Queries. Is There A Tool For This?...

I am using various set of enzymes organized into classes in my research. As part of this I use PSI-BLAST to increase the size of my data sets. I known there is a large amount of overlap returned in the...

View Article

How To Blast Hundreds Of Fasta Files Using Local Database And Perl

I have to blast a zip file including hundreds of protein fasta files. Since it is impossible to blast them one by one, I plan to use perl to blast in a local database. I am new to perl and look for...

View Article


Truly Parallel Blasts With Blast+

Hi, I find myself once again having to run blast+ programs to blast large amounts of sequences (100,000+) on swissprot, refseq, nr, etc. blast+ can use multiple cores, but the way it is implemented...

View Article

Why Do I Get A Makeblastdb Error: File Does Not Match Input Format Type,...

hello guys after giving the following command i am facing error for the output file being generated....However formatdb was able to accept my FASTA file and i was successfully able to run my blastn on...

View Article

Trying To Run Psipred But Failing To Use Blastpgp

Hi - I am trying to run psipred (http://bioinfadmin.cs.ucl.ac.uk/downloads/psipred/) and it requires blast+ to be installed. I have done this, and all the blast executables are stored in...

View Article


Is It Possible To Use Blast+ To Hit Embl Database?

I am having nightmare in using NCBI-BLAST+ for last two weeks. Now blasting remote database became very slow irrespective of my computer or my internet connectivity speed. I am thinking to use EMBL-EST...

View Article


Psiblast Fasta Formatted Output

Hi,I have a FASTA formatted protein sequence (stored in DsbA.fa) and I would like to use PSI-BLAST (not the web server. The command line in the BLAST+ package) to generate hits. I am using the...

View Article

blast -F F equivalent in blast+

In legacy blast there is an option -F, which turns on or off filtering. By default filtering is ON and it effects my results a lot, so I turn it off by -F F (false)In blast+ I couldn't figure out the...

View Article

Blastn / Tblastn : Mapping The Features Of The Query To The Hit.

I'm blasting+ (blastn+ or tblastn) an annotated sequence (a Genbank.xml sequence (nucleotide or protein) or an Uniprot.xml entry) against a DNA database.Is there a standard tool to map the features of...

View Article

Blastdb_Aliastool Error

Hi everyone,I would like to build a human+bacteria+archaea subset of the nr database. So what I did is:Get the nr databaseGet the GI list of human+bacteria+archaea from Entrez Protein databaseUse this...

View Article


Blast+

Hi, I would want to know if Blast+ program (Windows version) converts Blast database format in FASTA format? Is the blastdbcmd executable right to do it? And how I must write the orden for do it? I...

View Article

Scientific Names In Blast Output And Databases

Hi, I'm interested in getting the scientific names of my blast hits ran locally. I see blast+ search apps have option -outfmt which can take sscinames(seems new in version Blast+ 2.2.28), but even...

View Article


Can Igv View Blast+ Output File?

Hi, I aligned short reads using blast+ and generated tabular file. I also have bam files generated by aligners, and I can visualize the bam file using IGV, my question is can I view the blast output...

View Article

Ncbi C++ Exception: Ncbi::Cmemoryfilesegment::Cmemoryfilesegment() - File...

I have tried running a command line blast. The query file is a multi fasta file containing 2600 sequences. It was made a BLASTX against a proteins sequences (ProDom) of size 2 GB (prodom.phr : 1:00 GB,...

View Article


A Tool For Flagging Blast Searches?

I want to know if there is a blast way or a blast-like tool in which a query will search through a database and return only predetermined hits based on given flags like sequence fasta ids. To be more...

View Article

Setting Up Blast Server

Hi, i'm trying to set up my own blast server for convenience and i'm having some technical issues which might not be purely bioinformatics related but i hope someone here has done it before.My problem...

View Article

Is It Possible To Use Blast+ To Hit Embl Database?

I am having nightmare in using NCBI-BLAST+ for last two weeks. Now blasting remote database became very slow irrespective of my computer or my internet connectivity speed. I am thinking to use EMBL-EST...

View Article
Browsing all 41826 articles
Browse latest View live