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Consistent performance across inputs and targets

EM-seq v2 Methylation Detection System is enzymatic methylation sequencing that preserves DNA integrity while delivering consistent library yields and accurate CpG methylation detection across a wide range of sample inputs.

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Preserve your sample

Traditional bisulfite workflows damage DNA. EM-seq v2 uses enzymatic conversion to maintain integrity.

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Get reliable methylation calls

High conversion efficiency ensures accurate CpG detection across targets.

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Work with less input

Generate consistent libraries from as little as 0.1 ng DNA with reduced dropout.

Product data

Libraries prepared with EM-Seq v2 maintain capture efficiency and uniformity. Performance is preserved through downstream workflows specifically for methylation applications, including compatibility with both standard and fast hybridization protocols.

EM-Seq v2 libraries processed with Twist hybridization maintain consistent capture efficiency and methylation performance, supporting reliable downstream analysis.

Consistent detection of differentially methylated regions demonstrates reliable performance across methylation targets, reinforcing reproducibility for downstream methylation analysis.

EM-Seq v2 generates consistent, usable library yields across a wide DNA input range. Reduced dropout at lower inputs supports methylation sequencing when sample availability is limited, while maintaining reliable performance across workflows.

EM-Seq v2 delivers robust enzymatic conversion of unmethylated cytosines with consistent CpG call ratios, supporting accurate and reliable methylation analysis while preserving DNA integrity.

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Methylation enhancer improves target enrichment quality and reduces off-target hybridization in EM-seq v2 libraries using pan-cancer panel
Reproducible target enrichment performance across samples with variable methylation levels using EM-seq v2 and hybridization capture
Sensitive methylation detection across a wide range of methylation levels and genomic targets using EM-seq v2 sequencing
High library yield from EM-seq v2 methylation sequencing system, even with low DNA input samples
High non-CpG conversion rates in EM-seq v2 methylation sequencing maintained across low DNA input levels

Engineered reagents preserve performance post-conversion

Libraries prepared with EM-Seq v2 maintain capture efficiency and uniformity. Performance is preserved through downstream workflows specifically for methylation applications, including compatibility with both standard and fast hybridization protocols.

Methylation enhancer improves target enrichment quality and reduces off-target hybridization in EM-seq v2 libraries using pan-cancer panel

Figure 1. The Twist Methylation Enhancer improves target enrichment quality and reduces methylation-specific off-target hybridization for Twist EM-Seq v2 libraries captured with the Twist Alliance Pan-Cancer panel, using either the Fast or Standard Hybridization v2 systems.

Consistent methylation hybridization capture performance

EM-Seq v2 libraries processed with Twist hybridization maintain consistent capture efficiency and methylation performance, supporting reliable downstream analysis.

Reproducible target enrichment performance across samples with variable methylation levels using EM-seq v2 and hybridization capture

Figure 2. Twist EM-Seq v2 Methylation Detection System libraries captured with the Twist Alliance Pan-Caner panel using the Twist Standard Hybridization v2 system provide highly reproducible Picard target enrichment performance metrics across samples with highly variable methylation levels.

Reproducible methylation profiling across targets

Consistent detection of differentially methylated regions demonstrates reliable performance across methylation targets, reinforcing reproducibility for downstream methylation analysis.

Sensitive methylation detection across a wide range of methylation levels and genomic targets using EM-seq v2 sequencing

Figure 3. Highly sensitive methylation detection. Detection of methylation is possible across a wide range of methylation levels and targets.

Consistent library yield across DNA inputs

EM-Seq v2 generates consistent, usable library yields across a wide DNA input range. Reduced dropout at lower inputs supports methylation sequencing when sample availability is limited, while maintaining reliable performance across workflows.

High library yield from EM-seq v2 methylation sequencing system, even with low DNA input samples

Figure 4. Yield of libraries generated with Twist EM-seq v2 Methylation Detection System. Library yields are high even with low mass input.

Confident enzymatic conversion for accurate CpG methylation calling

EM-Seq v2 delivers robust enzymatic conversion of unmethylated cytosines with consistent CpG call ratios, supporting accurate and reliable methylation analysis while preserving DNA integrity.

High non-CpG conversion rates in EM-seq v2 methylation sequencing maintained across low DNA input levels

Figure 5. Left Panel: Non-CPG Conversion Rate. Conversion rates with v2 are high even with low mass input. Right Panel: Called CPG Ratio. Conversion specificity with v2 is high even with low mass input.

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Methylation enhancer improves target enrichment quality and reduces off-target hybridization in EM-seq v2 libraries using pan-cancer panel

Engineered reagents preserve performance post-conversion

Libraries prepared with EM-Seq v2 maintain capture efficiency and uniformity. Performance is preserved through downstream workflows specifically for methylation applications, including compatibility with both standard and fast hybridization protocols.

Reproducible target enrichment performance across samples with variable methylation levels using EM-seq v2 and hybridization capture

Consistent methylation hybridization capture performance

EM-Seq v2 libraries processed with Twist hybridization maintain consistent capture efficiency and methylation performance, supporting reliable downstream analysis.

Sensitive methylation detection across a wide range of methylation levels and genomic targets using EM-seq v2 sequencing

Reproducible methylation profiling across targets

Consistent detection of differentially methylated regions demonstrates reliable performance across methylation targets, reinforcing reproducibility for downstream methylation analysis.

High library yield from EM-seq v2 methylation sequencing system, even with low DNA input samples

Consistent library yield across DNA inputs

EM-Seq v2 generates consistent, usable library yields across a wide DNA input range. Reduced dropout at lower inputs supports methylation sequencing when sample availability is limited, while maintaining reliable performance across workflows.

High non-CpG conversion rates in EM-seq v2 methylation sequencing maintained across low DNA input levels

Confident enzymatic conversion for accurate CpG methylation calling

EM-Seq v2 delivers robust enzymatic conversion of unmethylated cytosines with consistent CpG call ratios, supporting accurate and reliable methylation analysis while preserving DNA integrity.

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Enzymatic methylation conversion with EM-seq v2

EM-seq v2 uses enzymatic reactions to selectively convert unmethylated cytosines while protecting methylated bases. After amplification, unmethylated sites are read as thymine and methylated sites remain cytosine, enabling accurate methylation analysis without DNA damage.