PstI has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10237495. 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.The following reagents are supplied with this product:
NEB # | Component Name | Component # | Stored at (°C) | Amount | Concentration |
1X NEBuffer™ r3.1
Incubate at 37°C
1X NEBuffer™ r3.1
100 mM NaCl
50 mM Tris-HCl
10 mM MgCl2
100 µg/ml Recombinant Albumin
(pH 7.9 @ 25°C)
250 mM NaCl
10 mM Tris-HCl
1 mM DTT
0.1 mM EDTA
200 µg/ml Recombinant Albumin
50% Glycerol
0.15% Triton® X-100
pH 7.4 @ 25°C
dam methylation: Not Sensitive
dcm methylation: Not Sensitive
CpG Methylation: Not Sensitive
PstI has been reformulated with Recombinant Albumin (rAlbumin) beginning with Lot #10237495. All subsequent (higher number) lots will contain rAlbumin. For additional information, please visit at NEB Restriction Enzyme formulations with Recombinant Albumin (rAlbumin).
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New England Biolabs (NEB) is committed to practicing ethical science – we believe it is our job as researchers to ask the important questions that when answered will help preserve our quality of life and the world that we live in. However, this research should always be done in safe and ethical manner. Learn more.