Assemble and Express with Confidence

Ready to streamline your cloning and protein expression workflows? With NEB’s trusted tools for DNA assembly and expression, you can move from idea to results faster than ever. Now is the perfect time to try them, enjoy 20% off selected products when you order with the code 'Confidence25'.

Save 20% on these selected products:

• NEBuilder® HiFi DNA Assembly Cloning Kit - Provides a complete solution, including competent cells, for efficient and accurate DNA assembly in a single step.
• NEBuilder HiFi DNA Assembly Master Mix - Enables seamless, high-fidelity assembly of multiple DNA fragments, even with complex overlaps.
• NEBuilder HiFi DNA Assembly Bundle for Large Fragments - Combines reagents and competent cells for reliable assembly of larger DNA constructs.
• NEBridge® Golden Gate Assembly Kits (BsaI-HFv2) – Facilitates ordered, scarless multi-fragment assembly using the high-fidelity BsaI-HFv2 enzyme.
• NEBridge® Golden Gate Assembly Kits (BsmBI-v2) - Offers the same Golden Gate advantages with BsmBI-v2, expanding design flexibility.
• NEBridge® Ligase Master Mix – Optimized for efficient, accurate ligation in Golden Gate assemblies with multiple fragments.
• phi29-XT RCA Kit – Supports high-yield rolling circle amplification of circular DNA templates, even from very low input.
• NEBExpress® Cell-free E. coli Protein Synthesis System – Enables rapid protein expression directly from DNA or mRNA templates in just a few hours.
• PURExpress® In Vitro Protein Synthesis Kit – A minimal, defined in vitro transcription/translation system for precise protein expression studies.
  

all products are highlighted in the latest NEB Expressions magazine

Use promo code 'Confidence25' at your order and start assembling and expressing with confidence.

Terms & Conditions: This special offer is valid in the Netherlands, Belgium and Luxembourg until December 31st, 2025 for orders with the promotion reference “Confidence25” and is only applicable on the following New England Biolabs (NEB) products: E2621S/L/X, E5520S, E2623S, E1603S/L, E5360S/L, E6800S/L, E1602S/L, E1601S/L, M1100S/L. No cash or cash equivalent. Promotion may not be applied to existing, pending or prior orders. Cannot be combined with any other promotions or discounts. BIOKÉ reserves the right to change or terminate the promotion without notice at any time.