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This product has been replaced with an updated version engineered for improved Golden Gate Assembly, BsmBI-v2 (NEB #R0739). 

  • Catalog # R0580 was discontinued on March 31, 2020 ;

Having supplied restriction enzymes to the research community for over 40 years, NEB has earned the reputation of being the leader in enzyme technologies. Working continuously to be worthy of that distinction, NEB strives to develop enzymes of the highest purity and unparalleled quality.

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