c("genotype/variation: Wild type", "cell line: HCT116", "stimulation: none", "alignment program: Bowtie")
c("genotype/variation: Wild type", "cell line: HCT116", "stimulation: TNF-alpha", "alignment program: Bowtie")
c("genotype/variation: HP1 gamma knock down", "cell line: HCT116", "stimulation: none", "alignment program: Bowtie")
c("genotype/variation: HP1 gamma knock down", "cell line: HCT116", "stimulation: TNF-alpha", "alignment program: Bowtie")
c("celll line: HCT116", "genotype/variation: Wild type", "stimulation: none", "chip antibody: none", "data processing (alignment) algorithm: Bowtie")
c("celll line: HCT116", "genotype/variation: Wild type", "stimulation: TNF", "chip antibody: none", "data processing (alignment) algorithm: Bowtie")
c("celll line: HCT116", "genotype/variation: HP1 gamma knock down", "stimulation: none", "chip antibody: none", "data processing (alignment) algorithm: Bowtie")
c("celll line: HCT116", "genotype/variation: HP1 gamma knock down", "stimulation: TNF", "chip antibody: none", "data processing (alignment) algorithm: Bowtie")