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Calculating GC content of all CpG islands

Hi Biostars, I have two files containing the genomic ranges of all CpG islands and promoter sequences of Human genome hg19. I would like to do an association test between CpG islands and promoters. So I need to calculate the GC contents of the two files. However, I am not conversant working with genomic coordinates. Could somebody please help with a command that I can use to calculate the GC contents of the two files. Thanks.

genomic coordinates alignment gene gc content
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written by Baby Bioinformatician Baby Bioinformatician

Hi

If you are using R; can try seqinr package. On that you could find function "GC" and can do whatever you are looking for.

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written by archana.bioinfo87 archana.bioinfo87

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