NEBNext Enzymatic Methyl-seq (EM-seq™) is a high-performance enzyme-based alternative to bisulfite conversion for the identification of 5mC and 5hmC. Unlike bisulfite conversion, this highly efficient method minimizes DNA damage, resulting in superior detection of methylated cytosines, with fewer sequencing reads.
The new NEBNext Enzymatic Methyl-seq v2 Conversion Module has a wider input range (as low as 100 pg) than the original EM-seq Conversion Module (NEB #E7125).
For use in Illumina® sequencing workflows, we recommend use of the NEBNext Enzymatic Methyl-seq v2 Kit (NEB #E8015) instead of this module. The full kit includes the EM-seq Adaptor, which has been optimized for high performance in the EM-seq workflow, as well as the high-efficiency NEBNext Ultra™ II library prep reagents, and these components are not included in the Conversion Module.
For specific detection of 5hmC, the NEBNext Enzymatic E5hmC-seq Conversion Module (NEB #E3365) is also available.
View or download extensive EM-seq v2 performance data in our Data Supplement.
View or download extensive EM-seq v2 performance data in our Data Supplement.
The NEBNext Enzymatic Methyl-seq v2 Conversion Module provides a high-performance enzyme-based alternative to bisulfite conversion for methylome analysis, with as little as 100 pg of input DNA.
The second enzymatic step uses APOBEC to deaminate unmodified cytosines to uracils, but 5mC and 5hmC protected in the first step are not deaminated.
For specific detection of 5hmC, the NEBNext Enzymatic E5hmC-seq Conversion Module (NEB #E3365) is also available.

The following reagents are supplied with this product:
In the United States and Europe, this product cannot be used in, or incorporated into, any blood-based, sequencing-based screening diagnostic assay (including product or service-based offerings) for the early detection of colorectal, gastric, lung, liver, ovarian, breast, prostate, esophageal, thyroid, uterine, pancreatic, bladder or kidney cancer indications.
This product and/or its manufacture and/or its use either alone or in combination with other product(s) are protected by one or more of the following patents and related pending patents: U.S. Pat. Nos. 9,121,061, 9,896,726, 10,227,646, 10,260,088, 10,619,200, 11,001,876, and 11,124,825; European Pat. Nos. EP2825645 and EP3368688; JP6224689; and CN108699598.
This product is licensed for research and commercial use from Bio-Rad Laboratories, Inc., under U.S. Pat. No. 8,470,573 and corresponding patents in other countries. No rights are granted for use of the product for Digital PCR or real-time PCR applications, with the exception of quantification in Next Generation Sequencing workflows. For more information, please email busdev@neb.com.
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