
Standard PCR Enzyme
Taq DNA polymerase is the most widely used thermostable DNA polymerase derived from the thermophilic bacteria Thermus aquaticus (Taq) YT-1. The enzyme possesses a 5’→3’ polymerase activity and a double-strand specific 5’→ 3’ exonuclease activity.
Features
Contents
This reagent includes the following components for 100-200 reactions;
Formulation: 20 mM Tris-HCl (pH 8.0), 100 mM KCl, 0.1 mM EDTA, 0.5% Nonidet™ P-40, 0.5% Tween™ 20, 50% Glycerol
Unit Definition: One unit is defined as the amount of enzyme that will incorporate 10 nmoles of dNTP into an acid insoluble material in 30 min at 75ºC.
PCR Reaction Set-up
Normal PCR
| Component | Volume | Final Concentration |
|---|---|---|
| 10x Buffer | 5 µL | 1× |
| 2mM dNTPs | 5 µL | 0.2 mM each |
| 25mM MgCl2 | 3 µL | 1.5 mM |
| 10pmol/ul Primer #1 | 1.0 µL | 0.2 µM |
| 10pmol/ul Primer #2 | 1.0 µL | 0.2 µM |
| Template DNA | X µL | Genomic DNA 10~1000 ng/50 µL Plasmid DNA 1~50 ng/50 µL cDNA ~200 ng (RNA equiv.)/50 µL |
| PCR grade water | Y µL | |
| Diluted rTth DNA polymerase (1.0U/µL) | 1.25-2.5 µL | 1.25-2.5 U / 50 µL |
| Total reaction volume | 50 µL |
PCR Cycle Condition

Amplification of 180 bp–1.3 kb genes from human genomic DNA
Distinct and specific amplified bands from 180 bp to 1.3 kb were observed with rTaq DNA polymerase by 1% agarose gel electrophoresis.

F.C. Lawyer, et al. Isolation, characterization, and expression in Escherichia coli of the DNA polymerase gene from Thermus aquaticus. J. Biol. Chem., 264: 6427-6437 (1989) DOI: 10.1016/S0021-9258(18)83367-1
T. Nagahama, K. et al. A new method for tolerance induction: busulfan administration followed by intravenous injection of neuraminidase-treated donor bone marrow. Stem Cells, 19: 425-435 (2001) DOI: 10.1634/stemcells.19-5-425
| Product | Storage | Cat.No. | PKG Size | Price | |
|---|---|---|---|---|---|
| Taq DNA Polymerase | -20℃ | TAP-201 | 100~200 Reactions | 72.00 | Buy |