Peak calling task is used to detect enriched genomic regions on reads generated from ChIP-seq, DNase-seq, MeDIP-seq etc. experiments. Partek^® Flow^®  provides a widely used method MACS2--model-based analysis¹ (http://liulab.dfci.harvard.edu/MACS/) to find peaks , it .  It can be used performed with or without control sample.

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Selecting MACS2 from the context sensitive menu will bring up the MACS2 task dialog, .  The interface will be different depends appear differently depending on the input aligned data node .and whether there are sample attributes available in the data Data tab.

If the selected aligned data node was imported, the reference assembly the used during data aligned to alignment needs to be specified, choose the assembly the sequence is aligned to .  Choose the Assembly from the Assembly drop-down list within the MACS2 dialogue (Figure 1); if the alignment was performed in .  If the selected lianged ata node was generated by Partek Flow, this option will not appear.

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