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Code

Name

Size

Quantity

Price

R3133S

SpeI-HF 20,000 units/ml

500 units ( 20000 units/ml )

Unavailable in your region

R3133L

SpeI-HF 20,000 units/ml

2,500 units ( 20000 units/ml )

Unavailable in your region

R3133M

SpeI-HF 100,000 units/ml

2,500 units ( 100000 units/ml )

Unavailable in your region

SpeI-HF has been reformulated, and now also includes Recombinant Albumin (rAlbumin), beginning with Lot #10192521. Learn more.

We are excited to announce that all reaction buffers are now BSA-free. NEB began switching our BSA-containing reaction buffers in April 2021 to buffers containing Recombinant Albumin (rAlbumin) for restriction enzymes and some DNA modifying enzymes. Find more details at www.neb.com/BSA-free.

NEB high fidelity restriction endonuclease that recognizes the sequence A^CTAGT

Isoschizomers | Single Letter Code

Product Introduction

High-Fidelity (HF^®) restriction enzymes have the same specificity as native enzymes, but have been engineered for significantly reduced star activity and performance in a single buffer (rCutSmart^™ Buffer). All HF-restriction enzymes come with Gel Loading Dye, Purple (6X). Enjoy the enhanced performance and added value of our engineered enzymes at the same price as the native enzyme: