I am working on yeast samples for 4C-seq study , but the formaldehyde fixed samples can not be digested with restriction enzyme (DpnII). Please help me out. Thanks.
I am following the protocol from Article 4C-seq from start to end: a detailed protocol for sample pre...
After the first enzyme, DpnII digestion, I checked the uncut and cut DNA samples on 0.6% agarose gel. I can see the patter changed, but when I further checked by PCR , I got strong signal from uncut DNA. What should I do? Thanks.