Questions tagged [mutations]
Nucleotide base changes in the genome from its parental copy which for eukaryotes or bacteria is DNA
33
questions
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26 views
Alignment with inserts and keeping the indexing of ref seq intact
Parts of sequences are given below-
Reference sequence (pre-alignment):
ATTAAAGGTTTATACCTTCCCAGGTAACAAACCAACCAACTTTCGATCTCTTGTAGATCTGTTCTCTAAACGAACTTTAAAATCTGTGT
...
2
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1answer
29 views
Counting the co-occurrence of variants A and B in an aligned sequencing read
I need some help getting started on this project.
To simplify we want to be able to quantify the occurrence of 3 variants on each sequencing read in an alignment file as a proxy measurement for ...
1
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1answer
23 views
A unified database for CNV, SNP, Indel and MSI
I am looking for a database or different databases where I can find information on different gene variants for a gene. As an example if I enter PPARG, I could be able to see SNPs, CNV, InDels and MSI.
...
0
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0answers
25 views
Detection of biallelic mutation (inactivation)
By biallelic mutation (inactivation), I mean several cases:
The first mutation is inherited (germline) mutation and the second mutation occurs as somatic at other loci, but within the same gene. Each ...
2
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1answer
26 views
Python package or CLI tool outputting mutations of sequence with respect to reference
I'm new to bioinformatics, and I'm looking for a tool that takes two FASTA files, one containing a reference, let's call it A.fasta, the other another sequence, let'...
1
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1answer
114 views
How do I create a VCF file of all known pathogenic mutations in a gene of interest?
I would like to create a list (probably .vcf format would be good) of all known pathogenic missense mutations in a human gene of interest and then add other variants that could lead to the same ...
1
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1answer
37 views
How to calculate various properties of a protein structure per atom using PDB2PQR and Rosetta tools (or any other tools)?
Currently, I am implementing a descriptor of protein structure and would like to calculate properties per atoms like charges, hydrophobicity, hydrogen bond donors / acceptors, hydrophobicity, ...
0
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0answers
42 views
Somatic mutations for normal WES samples
I am trying to identify somatic mutations on healthy subjects (specifically in WES samples). As of now, I have found a couple of papers who have done similar studies such as this paper where somatic ...
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0answers
11 views
How do I include repeat purity, default slippage, default stutter, and minimum flanking (left and right) in Tandem Repeat Finder's output?
I am attempting to create a markerInfoFile for use in a program called popSTR (GitHub Documentation: https://github.com/DecodeGenetics/popSTR). The marker info file should contain information about ...
0
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1answer
38 views
Is there a way to customize what observations are plotted in ComplexHeatmap?
So right now my observations in the dataset I've processed is stored as sample identifier columns and gene rows: an example of this would be for sample 1 and gene TRIM21 the observation is Missense ...
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0answers
17 views
Residue coevoution from position wise residue preferences rather than multiple sequence alignments
Hello experts in residue coevolution analysis of proteins,
I am looking for a way to calculate residue coevolution (coupling scores) between all pairs of residues of a protein.
The issue is that ...
0
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1answer
139 views
How to calculate mutation rate and mutation sites in a genome using FASTA file?
I have 6 viral genome sequences of the same virus and 1 reference sequence in FASTA format.
How I can identify mutations and mutation sites in those genomes using FASTA sequences but how I can do ...
1
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1answer
48 views
Model the effect of treatment on mutation burden
I am struggling a bit to model the following problem. Basically, I would like to model tumor mutation burden (mutations per megabase, a continuous) as a function of treatment (categorical). The ...
1
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2answers
73 views
Is there a tool for synonymous recoding of DNA sequences?
I've got a DNA sequence that I'd like to make synonymous mutations throughout, thereby preserving the amino acid sequence. Does anyone know of a tool to achieve this
0
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1answer
37 views
Is there a aminoacid mutation that forms similar protein? [closed]
Is there an amino-acid shift that will 99% of the time end up resulting the same biochemical function/structure and implications? Like Alanine replaced by Leucine will code in 99% of the cases(at any ...
0
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1answer
58 views
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1answer
21 views
Scooping and GeneMatcher
A colleague has uploaded about a dozen candidate disease genes to GeneMatcher, described here and here and located here, with excellent success. However last year and again recently he has ...
1
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1answer
61 views
Are there databases to annotate non-coding mutations?
I would like to ask if there are some known databases that allows to annotate non-coding mutations in a given region for the human genome?
Preferably, if the database is downloadable so I am able to ...
1
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0answers
27 views
Need help in identifying origin of variants in CIVIC
We usually denote the origin of a mutation as either somatic or germline. This information is usually available in certain databases such as CIVIC, ClinVar, COSMIC etc. But when we come to variants ...
0
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1answer
193 views
Plot a circos plot to show the consistency between 2 samples
I have called SNP and INDEL in two matched samples by strelka and extract this information from .vcf file and I have these
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0
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0answers
152 views
maf file format: Variant_Classification value for non frameshift substitution
I have a vcf containing SNV and MNV (short indells or substitutions), I annotate that file whit annovar and in the resulting txt file I have this row
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3
votes
3answers
97 views
Which gene I should select from this qqplot [closed]
I have a qqplot of my whole genome sequencing data; A plot is for showing possibly significant driver genes. I tried to read about qqplot though but people only say about the skewedness while I want ...
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0answers
41 views
How to select point mutations from MAF file
I am using a mutation MAF file from GDC.
I want to select for point mutations, therefore I selected Variant_Classification equal to ...
1
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0answers
142 views
Meaning of category in MutSigCV
I am trying to understand the working of MutSigCV. But I am not sure about some terms used in MAF file format which is category. According to MutSigCV, every mutation can be divided into the following ...
3
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1answer
48 views
How can I get a list of papers where a particular mutation has been mentioned?
I have recently tried a few tools (MutationFinder, tmVar, PubTator etc.) that extract mutations from a given text. However, for my work I need something that will take a list of mutations as an input ...
2
votes
1answer
66 views
how to do analysis of a table content SNP?
I have a table with information about SNPs, the table has a total of 55127 rows.
How can I know the number of gene mutations in the table and if a gene is present?
The table is in xls format.
2
votes
1answer
194 views
How to get unique somatic mutations for each individual patients
I have exome data 32 patients. My aim is to identify unique somatic mutations in each patients. For this I have completed my pipeline for Whole Exome Data analysis using various tools like BWA mem, ...
0
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1answer
104 views
Information about control data
I am putting this question because I did not find any useful information from internet because of limited access. My question is related to control (or normal) data that we use for somatic mutation ...
1
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1answer
454 views
Comparing two multi-fasta files of the same set of proteins with parser - to find and count mutations after treatment
My task is to count the mutations occurred in several proteins after a treatment. The sequences are all present in the two files in the same order. I opened both files with the FASTA parser (...
5
votes
3answers
196 views
Show presence of known mutation in RNA-seq data
We have RNA-seq fastq data from control (WT) patients and a patient with a point mutation at a known location in one gene.
I'd like to retrieve the reads aligning to that gene and show the presence of ...
1
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1answer
57 views
Which tools are available to call somatic mutations on non-coding regions from whole genome sequencing data?
I have a set of whole genome sequencing samples, some of which have matched normal while some not. I want to call somatic mutations on non-coding regions.
I was looking for GATK best practices (like ...
11
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1answer
358 views
State of the art mutation simulation software
There are many features affecting mutation probabilities, e.g. CpG mutations are 10-fold more likely than other types of mutations.
Is there a model (preferably with software) which can take two ...
