dna-sequence

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Calculate percentage divergence between two genetic sequences in R

I haven\'t been able to find this in the questions or an R package, hopefully straightforward. Take two hypothetical genetic sequences:[详细]

2023-04-02 09:36 分类：问答
Find the postion of SNP in the gen list

I have SNP data and gen list data. I am looking for the position of SNP cotain in the gen list data when I compare with gen list. For example:[详细]

2023-03-29 09:23 分类：问答
A PWM with gapped alignments in Biopython

I\'m trying to generate a Position-Weighted Matrix (PWM) in Biopython from Clustalw multipl开发者_高级运维e sequence alignments.I get a \"Wrong Alphabet\" error every time I do it with gapped alignmen[详细]

2023-03-26 19:45 分类：问答
Need help reading in from information from a file

So I have chains of DNA letters (A,G,T,C) in linked list, and am supposed to read in from a file that looks like this:[详细]

2023-03-10 06:13 分类：问答
Univocal hash function for a string 76 chars long

Here\'s my problem (I\'m programming in C): I have some huge text files containing DNA sequences (each file has something like 65 million rows and a size of about 4~5 GB). In these files there are ma[详细]

2023-03-02 04:10 分类：问答
How to plot a gene graph for a DNA sequence say ATGCCGCTGCGC?

I need to generate a random walk based on the DNA sequence of a virus, given its base pair sequence of 2k base pairs. The sequence looks like \"ATGCGTCGTAACGT\". The path should tu开发者_StackOverflow[详细]

2023-02-23 02:27 分类：问答
DNA to RNA and Getting Proteins with Perl

I am working on a project(I have to implement it in Perl but I am not good at it) that reads DNA and finds its RNA. Divide that RNA\'s into triplets to get the开发者_开发知识库 equivalent protein name[详细]

2023-02-19 06:08 分类：问答
Multiple sequence alignment

I know it may seem kind of strange but I was wondering if anybody has ever seen some javascript code for the multiple sequence alignment problem. If not (as I suppose) also some easily portable code ([详细]

2023-02-10 00:24 分类：问答
Compare Multiple Substrings

I\'m attempting to write a basic dna sequencer. In that, given two sequences of the same length, it will output the strings which are the same, with a minimal length of 3.[详细]

2023-01-17 22:56 分类：问答
Fast algorithms for finding unique sets in two very long sequences of text

I need to compare the DNA sequences of X and Y chromosomes, and find patterns (composed of around 50-75 base pairs) that are unique to the Y chromosome. Note that these sequence parts can repeat in th[详细]

2023-01-13 02:13 分类：问答