5-Carboxylcytosine is resistant towards phosphodiesterase I digestion: implications for epigenetic modification quantification by mass spectrometry
Yuan F., Bi Y., Zhang J-Y., Zhou Y-L., Zhang X-X., Song C-X.
5-Carboxylcytosine is found to be resistant to snake venom phosphodiesterase I (PDE1), a 3′ to 5′ exonuclease commonly used in several DNA hydrolysis protocols.