How can I read a DNA sequence (Fasta file ) from NCBI and store it in array or in a specific variable

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Radhwan Jawad
Radhwan Jawad 2022-11-22
回答： Smit 2023-2-10
I want to click on command in my window to enter the Accession Number of the sequence, then the output must be for example S=ATCCTGGAA....
i am try this code, but does not work
%% Read sequence data from FASTA files
s = fastaread('AC168908.txt')

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回答（1 个）

Smit
Smit 2023-2-10
Hi,
I understand you want to read the DNA sequence from a FASTA file.
The function “fastaread” will read the FASTA file and store the data in a structure. This structure also contains the DNA sequence. So, all you need to do extract the sequence access the “Sequence” field in the structure in the following manner
sequence = s.Sequence;
For more information on “fastaread” you can visit the documentation page.

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