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Old 07-20-2016, 01:52 AM   #1
Junior Member
Location: Colmar (France)

Join Date: Oct 2014
Posts: 1
Default using GATK IndelRealigner


I have some difficulties using IndelRealigner on my data. After comparing bam files before and after realignement process I find some regions where a correction should have occured. (an igv capture of an ambiguous region that isnt resolved after realignement : ). Is it normal that all my indels "problems" are not solved? And are there parameters to adjust to solve them? Have I made mistakes running the commands?

(here are my command lines ) java -Xmx12000m -jar ~/Soft/GATK/GenomeAnalysisTK.jar -T RealignerTargetCreator -nt 15 -R ~/igv/genomes/genome.fa -I sample.bam -o temp.indel.intervals java -Xmx12000m -jar ~/Soft/GATK/GenomeAnalysisTK.jar -T IndelRealigner -R ~/genome.fa -I sample.bam -targetIntervals temp.indel.intervals -o sample_realigned.bam

I'm willing to take any ideas!
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Old 07-20-2016, 02:45 AM   #2
tristan dubos
Location: France

Join Date: Dec 2015
Posts: 39

Hi Guillaume,

The correction appends if there is a better alignment possible, how do you know you should have a different alignment in this position ?

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Old 07-23-2016, 03:28 PM   #3
Location: Antwerp, Belgium

Join Date: Oct 2015
Posts: 97

Not an answer to your question, but interesting read considering IndelRealigner:
wdecoster is offline   Reply With Quote

alignment, gatk indelrealigner

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