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. Author manuscript; available in PMC: 2013 May 2.
Published in final edited form as: Nat Protoc. 2012 Nov 29;7(12):2159–2170. doi: 10.1038/nprot.2012.137

Component Amount (μl) Final concentration

Milli-Q water 44
NEbuffer 2 (10×) 10
S-adenosylmethionine (32 mM) 2 0.64 mM
Unmethylated λ-DNA (450 μg ml−1) 40 180 ng μl−1
SssI methylase (20 U μl−1) 4 0.8 U μl−1
Final volume 100