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限制酶在各种NEBuffer 中的活性
(NEBuffer Activity Chart for Restriction Enzymes)
对应每一种限制性内切酶,New England Biolabs 均提供彩色盖子的10X NEBuffer,以保证100%活性。下面表格中列出每一种酶及其随酶提供的最适宜的NEBuffer。同时也列出每种酶在四种不同的NEBuffer 中的大致活性,以帮助选择双酶切时最适宜的环境。除非特别指出,温育温度均为37°C。
注意事项:表格中所列出的酶活性是近似值,计算酶活性时所采用的底物与计算该酶的单位时所采用的底物相同。
缓冲液在使用前应充分解冻,并混合均匀。
|
Enzyme |
Supplied
NEBuffer |
% Activity in NEBuffers |
|
1 |
2 |
3 |
4 |
|
Aat II |
4 |
0 |
50 |
50 |
100 |
|
Acc I |
4 |
50 |
50 |
10 |
100 |
|
Acc65 I |
3 + BSA |
10 |
75 |
100 |
25 |
|
Aci I |
3 |
25 |
50 |
100 |
50 |
|
Acl I |
4 + BSA |
10 |
10 |
0 |
100 |
|
Afe I * |
SE-Y |
25 |
50 |
25 |
100 |
|
Afl II |
2 + BSA |
50 |
100 |
25 |
100 |
|
Afl III |
3 + BSA |
25 |
75 |
100 |
50 |
|
Age I |
1 |
100 |
50 |
10 |
75 |
|
Ahd I |
4 + BSA |
25 |
75 |
0 |
100 |
|
Ale I |
4 |
10 |
20 |
10 |
100 |
|
Alu I |
2 |
100 |
100 |
75 |
100 |
|
Alw I |
4 |
50 |
100 |
10 |
100 |
|
AlwN I |
4 |
50 |
100 |
50 |
100 |
|
Apa I @25℃ |
4 + BSA |
25 |
50 |
0 |
100 |
|
ApaL I |
4 + BSA |
100 |
100 |
10 |
100 |
|
Apo I @50℃ |
3 + BSA |
10 |
75 |
100 |
75 |
|
Asc I |
4 |
0 |
10 |
10 |
100 |
|
Ase I |
3 |
NR |
75 |
dd 100 |
NR |
|
AsiS I |
3 + BSA |
50 |
100 |
100 |
50 |
|
Ava I |
4 |
10 |
75 |
10 |
100 |
|
Ava II |
4 |
50 |
75 |
10 |
100 |
|
Avr II |
2 |
100 |
100 |
50 |
100 |
|
Bae I @25℃ |
2 + BSA + SAM |
50 |
100 |
50 |
75 |
|
BamH I |
U dd + BSA |
75 |
100 |
50 |
75 |
|
Ban I |
4 |
50 |
100 |
50 |
100 |
|
Ban II |
4 |
100 |
10 |
50 |
100 |
|
Bbs I |
2 |
100 |
100 |
25 |
75 |
|
Bbv I |
2 |
100 |
100 |
25 |
75 |
|
BbvC I |
4 |
50 |
100 |
10 |
100 |
|
BceA I |
Udd + BSA |
25 |
NR |
NR |
75 |
|
Bcg I |
U + SAM |
50 |
75 |
100 |
50 |
|
BciV I |
4 |
100 |
25 |
10 |
100 |
|
Bcl I @50℃ |
3 |
50 |
100 |
dd 100 |
75 |
|
Bfa I |
4 |
75 |
50 |
10 |
100 |
|
BfrB I |
4 + BSA |
10 |
25 |
10 |
100 |
|
BfuA I @50℃ |
3 |
0 |
75 |
100 |
10 |
|
BfuC I |
4 + BSA |
100 |
50 |
25 |
100 |
|
Bgl I |
3 |
50 |
75 |
100 |
50 |
|
Bgl II |
3 |
10 |
75 |
100 |
10 |
|
Blp I |
4 |
50 |
100 |
10 |
100 |
|
Bme1580 I |
2 |
75 |
100 |
75 |
75 |
|
BmgB I |
3 + BSA |
0 |
25 |
100 |
10 |
|
Bmr I |
2 |
75 |
100 |
75 |
100 |
|
Bmt I * |
|