Top "Fasta" questions

FASTA is a software package for sequence alignment of proteins and nucleic acids.

Read FASTA into a dataframe and extract subsequences of FASTA file

I have a small fasta file of DNA sequences which looks like this: >NM_000016 700 200 234 ACATATTGGAGGCCGAAACAATGAGGCGTGATCAACTCAGTATATCAC >NM_000775 700 124 236 CTAACCTCTCCCAGTGTGGAACCTCTATCTCATGAGAAAGCTGGGATGAG >…

r subset bioinformatics fasta
how to read a fasta file in python?

I'm trying to read a FASTA file and then find specific motif(string) and print out the sequence and number …

python fasta
Converting FASTQ to FASTA with SED/AWK

I have a data in that always comes in block of four in the following format (called FASTQ): @SRR018006.2016 GA2:6:1:20:650 …

shell awk sed fasta fastq
Remove line breaks in a FASTA file

I have a fasta file where the sequences are broken up with newlines. I'd like to remove the newlines. Here's …

unix awk newline bioinformatics fasta
Sequence length of FASTA file

I have the following FASTA file: >header1 CGCTCTCTCCATCTCTCTACCCTCTCCCTCTCTCTCGGATAGCTAGCTCTTCTTCCTCCT TCCTCCGTTTGGATCAGACGAGAGGGTATGTAGTGGTGCACCACGAGTTGGTGAAGC >header2 GGT >header3 TTATGAT My desired output: >…

bash awk fasta
Undefined subroutines &main error in Perl

I am trying to extract a DNA sequence from this FASTA file to a specified length of bases per line, …

perl bioinformatics subroutine fasta
parsing a fasta file using a generator ( python )

I am trying to parse a large fasta file and I am encountering out of memory errors. Some suggestions to …

python file parsing fasta
Using Biopython (Python) to extract sequence from FASTA file

Ok so I need to extract part of a sequence from a FASTA file, using python (biopython, http://biopython.org/…

python python-2.7 biopython fasta
Writing fasta files using R package seqinr?

When I use write.fasta in seqinr, the file that it outputs looks like this: >Sequence name 1 >Sequence …

r fasta
Concatenating Multiple .fasta Files

I'm trying to concatenate hundreds of .fasta files into a single, large fasta file containing all of the sequences. I …

python concatenation fasta