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mkatari-bioinformatics-august-2013-gatknotes [2014/06/11 13:46] mkatarimkatari-bioinformatics-august-2013-gatknotes [2014/07/02 15:19] mkatari
Line 38: Line 38:
 bowtie2 -x PTC_Human -U Cohen.fastq -S Cohen.sam bowtie2 -x PTC_Human -U Cohen.fastq -S Cohen.sam
 samtools view -bS Cohen.sam > Cohen.bam samtools view -bS Cohen.sam > Cohen.bam
-/code>+</code>
  
 The picard method to sort is preferred by GATK The picard method to sort is preferred by GATK
Line 96: Line 96:
 </code> </code>
  
-Now we merge the bam files and then sort and index them+In some cases there may be a need to clean the sam/bam file(s) (soft-trimming the coordinates). To do this use CleanSam in Picard tools. You may want to just do it to all to avoid the error in a workflow, but it may not be necessary.
  
 <code> <code>
-java -jar /export/apps/picard-tools/1.112/MergeSamFiles.jar \+java -jar /export/apps/picard-tools/1.112/CleanSam.jar \
    INPUT=Sherman.dedup.realign.bam \    INPUT=Sherman.dedup.realign.bam \
 +   OUTPUT=Sherman.clean.dedup.realign.bam
 +</code>
 +
 +Now we merge the bam files and then sort and index them. If you cleaned the bam file, remember to use the cleaned ones.
 +
 +<code>
 +java -jar /export/apps/picard-tools/1.112/MergeSamFiles.jar \
 +   INPUT=Sherman.clean.dedup.realign.bam \
    INPUT=Cohen.dedup.realign.bam \    INPUT=Cohen.dedup.realign.bam \
    OUTPUT=ShermanCohenMerged.bam      OUTPUT=ShermanCohenMerged.bam  
Line 110: Line 118:
  
  
-Finall !! run gatk+Finally !! run gatk
  
 <code> <code>
Line 121: Line 129:
    -glm SNP \    -glm SNP \
    -o PTC_human.gatk.vcf    -o PTC_human.gatk.vcf
 +
 +</code>
 +
 +If you want to load the vcf file into IGV, remember to index it first.
 +<code>
 +module load igvtools
 +igvtools index PTC_human.gatk.vcf
 +</code>
 +
 +If you would like to generate a table of from the vcf file use the following command
 +<code>
 +java -jar /export/apps/GenomeAnalysisTK/GenomeAnalysisTK-2.3-9-ge5ebf34/GenomeAnalysisTK.jar \
 +     -R PTC_Human.fasta
 +     -T VariantsToTable \
 +     -V PTC_human.gatk.vcf \
 +     -F CHROM -F POS -F ID -F QUAL -F AC \
 +     -GF GT -GF GQ \
 +     -o PTC_human.gatk.vcf.table
 </code> </code>
mkatari-bioinformatics-august-2013-gatknotes.txt · Last modified: 2016/08/17 08:37 by mkatari