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- 详细信息
- 文献和实验
- 技术资料
- 保质期:
见产品外包装
- 英文名:
Restriction Endonuclease Pvu I
- 库存:
需确认
- 供应商:
嵘崴达
- CAS号:
见产品外包装
- 保存条件:
−20°C
- 规格:
500 UNITS
Pvu I
from Proteus vulgaris
别名:
restriction enzyme
特异性
Pvu I recognizes the sequence CG°AT↓ *CG and generates fragments with 3′-cohesive termini.
Recognition sites: CG°AT*CG
CG°AT*CG
Restriction site: CG°AT↓*CG
CG°AT↓*CG
Heat inactivation: No inactivation of Pvu I after incubation at 65 °C for 15 minutes.
质量
Absence of nonspecific endonuclease activities
1μg λDNA is incubated for 16hours in 50μl SuRE/Cut Buffer H with an excess of Pvu I. The number of enzyme units which do not change the enzyme-specific pattern is stated in the certificate of analysis.
Absence of exonuclease activity
Approximately 5μg [3H] labeled calf thymus DNA are incubated with 3μl Pvu I for 4hours at +37°C in a total volume of 100μl 50mM Tris-HCl, 10mM MgCl2, 1mM Dithioerythritol, pH approximately 7.5. Under these conditions, no release of radioactivity is detectable, as stated in the certificate of analysis.
DNA图谱分析
Number of cleavage sites on different DNAs
- λ: 3
- φX174: 0
- Ad2: 7
- M13mp7: 1
- pBR322: 1
- pBR328: 1
- pUC18: 2
- SV40: 0
| 10650129001 | Restr.-Endonucl. Pvu I, 500 U | 500 U (5 U/µl) | |
| 10667145001 | Restr.-Endonucl. Eco RV, 2000 | 2,000 U (10 U/µl) | |
| 10674273001 | Restr.-Endonucl. Xba I, 20 000 | 20,000 U (10 U/µl) | |
| 10776777001 | Restr.-Endonucl. Nru I, 1000 u | 1,000 U (10 U/µl) | |
| 10822230001 | Restr.-Endonucl. Mae III, 50 u | 50 U (1 - 5 U/µl) | |
| 10885843001 | Restr.-Endonucl. Nhe I, 200 u | 200 U (10 U/µl) | |
| 10899194001 | Restr.-Endonucl. Xho I, 5000 U | 5,000 U (10 U/µl) | |
| 11008951001 | Restr.-Endonucl. Spe I | 1,000 U (10 U/µl) | |
| 11026534001 | Restr.-Endonucl. Sph I, 2500 U | 2,500 U (10 U/µl) |
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文献和实验I Nde I NgoM IVNru I Nsi I Nsp I Pac I PaeR7 I Pci I PflF I PflM I Pho IPle I Pme I Pml I PshA I Psi I PspG I PspOM I Pvu II Rsa I Sac I Sac II Sal I Sau3A I Sau96 I Sbf I Sca I ScrF I SexA I SgrA I Sma I Sml I SnaB I Spe I Stu I Sty I Tsp45 I Tsp509
的PBS(pH7.3)重悬细胞,取1滴悬液显微镜下计数,取1´107 细胞。 (2)质粒DNA的酶切消化:为使质粒DNA线性化,以利于电转染,可使用PvuⅠ分别酶切消化VH、VL重组质粒。因为表达载体上只有PvuⅠ的单一酶切位电。 (3)电转染:取1ml冰预冷的PBS(pH7.3)+Hepes(100mmol/L)重悬细胞(1´107 细胞/ml),取700ml,加入预冷的电转染样品杯中;用100ml冰预冷的PBS(pH7.3)+Hepes(100mmol/L) 重悬上述制备
相关专题 重组DNA技术工具酶 一、甲基化酶的种类 原核生物甲基化酶是作为限制与修饰系统中的一员,用于保护宿主 DNA 不被相应的限制酶所切割。在 E.coli 中,大多数都有三个位点特异性的 DNA 甲基化酶。 1.Dam 甲基化酶 Dam 甲基化酶可在 GATC 序列中的腺嘌呤 N6 位置上引入甲基。一些限制酶(PvuⅡ, BamHⅠ、BclⅠ、BglⅡ、XhoⅡ、MboⅠ、 Sau3AⅠ
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