|
Description
|
|
| Hi-Taq
is isolated and purified from an E. Coli Strain that carries the cloned
DNA polymerase gene from Thermus aquqticus YT-1 strain.
|
Unit |
|
|
500 units/vial
|
Concentration |
|
| 2 units/μl
|
Volume |
|
| 250μl/vial
|
Storage
and dilution buffer |
|
| 20mM
Tris-HCl(pH8.5), 100mM NaCl, 0.1mM EDTA, 0.5mM DTT, 50% Glycerol, 1% Triton
x-1000
|
Stability |
|
| The undiluted enzyme solution is stable when store
at -20℃
|
Unit
definition |
|
| One
unit is the amount of enzyme that will incorporate 10 nmoles of dNTPs into
acid-insoluble products at 72℃
in 30 minutes under the assay conditions
|
|
Assay
conditions for unit definition
|
|
|
25mM
Tris-HCl(pH8.5), 1mM B-mercaptoethanol, 10mM MgCl2, 25mM KCl, 200mM
each dGTP, dCTP, dATP,[3H]dTTP, 0.25mg /ml calf thymus DNA
|
Reaction
buffer |
|
| 10X-concentration
reaction buffer supplied with 17.5mM MgCl2. Total volume is 1ml/vial
|
Nuclease
Assay |
|
| No
nuclease activity is observed after incubation of 10u of Hi-Taq with 1mg
lambda DNA, 1mg
pGEM4Z DNA for 1 hour at 72℃No
nuclease activity is observed after incubation of 10u of Hi-Taq with 1mg
lambda DNA, 1mg
pGEM4Z DNA for 1 hour at 72℃ |
PCR test |
|
| Good
performance of DNA amplification by polymerase chain reaction was confirmed by
using lambda DNA(amplified 10kb DNA fragment) and Human genomic DNA (amplified
0.86kb b-actin,1.32kb
b-globin,
1.26kb p53 DNA fragment) as the templates
. |