NEBNext UltraShear® Long Read

Fragmenting genomic DNA (gDNA) is key to improving long-read sequencing performance and data yield. NEBNext UltraShear® Long Read is a fast, flexible enzymatic method for gDNA fragmentation, designed for use upstream of Oxford Nanopore Technologies® (ONT) and PacBio® library preparation and sequencing. This time-tunable solution allows precise fragment sizing from 2 kb to 30 kb in as little as 30 minutes, while preserving native methylation marks. It works with a broad input range (250 ng–5 µg) and is compatible with automation, making it easy to scale as sequencing needs grow. NEBNext UltraShear Long Read provides a cost-effective and reliable alternative to mechanical shearing methods.

  • Improve your sequencing yield while maintaining high N50 values
  • Achieve unbiased fragmentation from 2–30 kb for diverse long-read applications
  • Preserve native methylation for downstream epigenetic analyses
  • Scale effortlessly with an automation-ready process and flexible input range (250 ng–5 µg)
  • Cut costs and simplify workflows by eliminating specialized instruments and consumables

Note: This product is intended to support long-read library preparation and sequencing applications. For enzymatic DNA fragmentation in short-read sequencing workflows please see NEBNext UltraShear® (NEB #M7634).

Product Information

NEBNext UltraShear Long Read contains reagents to enzymatically fragment gDNA in a time- and temperature-dependent manner generating DNA fragment lengths ranging between 2 kb to 30 kb. These gDNA fragment lengths are compatible with different long-read applications, including the current commercially available platforms from ONT and PacBio.

Like its short-read counterpart NEBNext UltraShear (NEB #M7634), fragmentation with NEBNext UltraShear Long Read maintains methylation marks, making it compatible with methylation analysis workflows. As an alternative to mechanical fragmentation methods like Covaris® gTUBE™, it offers a fast, scalable, user- and automation-friendly workflow requiring minimal hands-on time.

More data supporting the claims made about the NEBNext UltraShear Long Read product can be found on the E3430 Supplemental Data Page.

This product is related to the following categories:

  • Library Preparation for Oxford Nanopore Technologies,
  • DNA Fragmentation,
  • Next Generation Sequencing Library Preparation

Reagents Supplied

The following reagents are supplied with this product:

NEB # Component Name Component # Stored at (°C) Amount Concentration
E3430S NEBNext UltraShear® Long Read E3430-2 -20
NEBNext UltraShear® LR Enzyme Mix E3431AVIAL -20 1 x 0.068 ml Not Applicable
NEBNext UltraShear® LR Reaction Buffer E3432AVIAL -20 1 x 0.476 ml Not Applicable
NEBNext UltraShear® LR Supplement E3433AVIAL -20 1 x 0.102 ml Not Applicable
TE Buffer E3434AVIAL -20 1 x 6.3 ml 1 X
NEBNext® Sample Purification Beads E3435S 25
NEBNext® Sample Purification Beads E3435AVIAL 25 1 x 2.67 ml Not Applicable
NEB # Component Name Component # Stored at (°C) Amount Concentration
E3430L NEBNext UltraShear® Long Read E3430-3 -20
NEBNext UltraShear® LR Enzyme Mix E3431AAVIAL -20 1 x 0.22 ml Not Applicable
NEBNext UltraShear® LR Reaction Buffer E3432AAVIAL -20 2 x 0.778 ml Not Applicable
NEBNext UltraShear® LR Supplement E3433AAVIAL -20 1 x 0.333 ml Not Applicable
TE Buffer E3434AAVIAL -20 1 x 22.5 ml 1 X
NEBNext® Sample Purification Beads E3435L 25
NEBNext® Sample Purification Beads E3435AAVIAL 25 1 x 9.79 ml Not Applicable

Related Products

Companion Products

  • Monarch® HMW DNA Extraction Kit for Cells and Blood
  • NEBNext® Companion Module v2 for Oxford Nanopore Technologies® Ligation Sequencing
  • NEBNext® Companion Module for Oxford Nanopore Technologies® Ligation Sequencing
  • NEBNext® Magnetic Separation Rack
  • Monarch® HMW DNA Extraction Kit for Tissue

Protocols, Manuals & Usage

Protocols for this product

  1. Where can I find protocols for use with NEBNext UltraShear Long Read?

Manuals

The Product Manual includes details for how to use the product, as well as details of its formulation and quality controls.

  • manualE3430

FAQs & Troubleshooting

FAQs

  1. Are there any recommendations for handling High Molecular Weight gDNA (HMW gDNA) Samples prior to use with NEBNext UltraShear® Long Read?
  2. Can I fragment my gDNA sample with NEBNext UltraShear® Long Read in buffers other than 1X TE (10mM Tris pH 8.0, 1mM EDTA)?
  3. Do you really need to vortex the NEBNext UltraShear® LR Enzyme Mix?
  4. Following the fragmentation step of the NEBNext UltraShear® Long Read protocol, can the reactions be stored at 4˚C?
  5. Is NEBNext UltraShear® Long Read automation friendly?
  6. Is NEBNext UltraShear® Long Read the same thing as NEBNext UltraShear?

Quality, Safety & Legal

Quality Control Assays

Quality Control tests are performed on each new lot of NEB product to meet the specifications designated for it. Specifications and individual lot data from the tests that are performed for this particular product can be found and downloaded on the Product Specification Sheet, Certificate of Analysis, data card or product manual. Further information regarding NEB product quality can be found here.

Specifications & Change Notifications

The Specification sheet is a document that includes the storage temperature, shelf life and the specifications designated for the product. The following file naming structure is used to name these document files: [Product Number]_[Size]_[Version]

  • E3430S_L_G_v1

Certificate of Analysis

The Certificate of Analysis (COA) is a signed document that includes the storage temperature, expiration date and quality controls for an individual lot. The following file naming structure is used to name these document files: [Product Number]_[Size]_[Version]_[Lot Number]

  • E3430L_E3435L_v1_10335905

Safety Data Sheets

The following is a list of Safety Data Sheet (SDS) that apply to this product to help you use it safely.

  • NEBNext UltraShear® Long Read
  • NEBNext UltraShear® LR Enzyme Mix
  • NEBNext UltraShear® LR Reaction Buffer
  • NEBNext® Sample Purification Beads

Legal and Disclaimers