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Psp GBD DNA polymerase

For research use only. Not intended for any clinical use.
Cat.No.
EMQZ1410
Description
Psp GBD DNA Polymerase, also called Deep Vent DNA Polymerase, is a high-fidelity thermophilic DNA polymerase. This high fidelity derives in part from an integral 3'→5' proofreading exonuclease activity. Psp GBD DNA Polymerase is more stable than Tli DNA Polymerase at 95°C to 100°C. The half-life of Psp GBD DNA Polymerase is 8 hours at 100°C.
Applications
• PCR• Primer extension
Concentration
2,000 U/ml
Reaction Conditions
100 ul Reaction System containing: 1×Psp GBD DNA Polymerase Buffer[20 mM Tris-HCl (pH 8.8 at 25°C),10 mM (NH4)2SO4,10 mM KCl,2 mM MgSO4,0.1% Triton X-100 (V/V)]; MgSO4 (add or not); DNA template; primers; dNTPs; 1-2 U polymerase.
Size/Form
100 U; 500 U
Source
Purified from a recombinant E. coli that carries Psp GBD DNA Polymerase gene from Pyrococcus species GB-D.
Storage
Store at -20°C
Unit Definition
One unit is defined as the amount of enzyme that will incorporate 10 nmol of dNTP into acid-insoluble material in 30 minutes at 75°C.

Publications

Q & A

Customer Reviews

Customer Q&As
How is the enzyme activity defined?

A: One unit is defined as the amount of enzyme that will incorporate 10 nmol of dNTP into acid-insoluble material in 30 minutes at 75°C.

How to prevent liquid evaporation?

A: The heated lid function of the PCR machine can prevent liquid evaporation. If the PCR machine does not have this function, a small amount of paraffin oil can be added to the liquid surface to prevent evaporation.

Can 40 cycles be performed during PCR amplification?

A: It is not recommended to cycle the product more than 20-30 times as the fidelity of the product decreases with increased cycling.

What is the appropriate amount of the enzyme to add when amplifying the target gene in PCR?

A: We recommend adding 2-4 uL Psp GBD DNA polymerase per 100 uL reaction system.

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Customer Reviews
Good stability

Psp GBD DNA polymerase is more stable than Tli DNA polymerase at 95°C to 100°C.

United States

11/21/2021

Good service

Both pre-sales and after-sales services are excellent, and the staff are patient in answering questions.

United States

01/31/2022

Wide range of applications

It can not only be used for primer amplification but also for high-temperature (72°C) sequencing.

United States

08/05/2022

Long half-life

At 95℃, the half-life of Psp GBD DNA polymerase is 23 hours, Tli DNA polymerase is 6.7 hours, and Taq DNA polymerase is 1.6 hours.

United States

03/15/2023

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