Products


Molecular Biology Reagents


END point PCR

Circle Check

Xtra Taq Pol

An highly processive, recombinant (from E.coli strain), thermostable DNA with a very high efficiency of 5’- 3’ polymerase activity and 3´- 5’ exonuclease (non-proofreading) activity. Xtra Taq Pol catalyzes the addition of mononucleotide units to the 3’-end of a primer chain, leading to the formation of DNA products that have 3’-overhanging A nucleotides (thus can be used in TA cloning). This enzyme remains funtional even after prolonged incubation steps at 95°C. The enzyme is supplied at 5U/μl and comes with 5X XtraWhite new buffer.

5X XtraWhite is a GeneSpin proprietary formulation, developed for standard and/or high-fidelity amplification of high-GC (>75%) templates. The buffer contains 7.5mM magnesium, PCR enhancers and thickening agents (vortex thoroughly prior to use) and is supplied with 1ml of 6X Orange Loading Dye.

The Orange G dye migrates at the same rate as a duplex DNA fragment of approximately 50 Kbp and does not interfere with DNA migration when it is used as a loading dye for agarose gel electrophoresis.

cat. no.

amount

note

cat. no.

amount

note

XSTS-T 250

XSTS-T 1000

250 units

1000 units

5X XtraWhite Buffer

5X XtraWhite Buffer

XSTSn-T 250

XSTSn-T 1000

250 units

1000 units

5X XtraWhite Buffer + dNTPs 

5X XtraWhite Buffer + dNTPs 

XSTS-Tw 250

250 units

5X XtraWhite Buffer w/o MgCl2

XSTSn-Tw 250

250 units

5X XtraWhite Buffer w/o MgCl2 + dNTPs 

XSTS-Tw 1000

1000 units

5X XtraWhite Buffer w/o MgCl2

XSTSn-Tw 1000

1000 units

5X XtraWhite Buffer w/o MgCl2 + dNTPs 

FOR RESEARCH USE ONLY

SHIPPING

Shipped in green ice.

FORM

Liquid

SHELF LIFE

12 months

STORAGE

Store at -20°C

UNIT DEFINITION

One unit is defined as the amount of enzyme required to incorporate 10 nanomoles of dNTPs into acid-insolubile material in 30 min at 74°C.

CONCENTRATION

5U/ul

5X BUFFER

5x conc. complete PCR buffer 

Components

component

XSTS-T5XW 250

STS-T5XWw 250

STSn-T5XW 250

STSn-T5XWw 250

Taq Polymerase

250 units / 50ul

250 units / 50ul

250 units / 50ul

250 units / 50ul

5X Buffer

1.5ml  5X Buffer with MgCl2

1ml 10X Buffer w/o MgCl2

1.5ml  5X Buffer with MgCl2

1.5ml  5X Buffer w/o MgCl2

MgCl2

-

500ul / 50mM

-

500ul / 50mM

dNTPs

-

-

100ul / 10mM each

100ul / 10mM each

component

STS-T5XW 1000

STS-T5XWw 1000

STSn-T5XW 1000

STSn-T5XWw 1000

Taq Polymerase

1000 units / 200ul

1000 units / 200ul

1000 units / 200ul

1000 units / 200ul

5X Buffer

4 ml  5X Buffer with MgCl2

4 ml  5X Buffer  w/o MgCl2

4 ml  5X Buffer with MgCl2

4 ml  5X Buffer  w/o MgCl2

MgCl2

-

500ul / 50mM

-

500ul / 50mM

dNTPs

-

-

400ul / 10mM each

400ul / 10mM each

Assay set up


Before starting, vortex all components thoroughly to ensure homogeneity.

Prepare a premix for the number of assays you need according to the following protocol:

component

stock conc.

final conc.

30ul reaction

component

stock conc.

final conc.

30ul reaction

5X Buffer*

dNTPs

Taq Polymerase

primers

DNA Template

MG Water

Cycling conditions

5X

10mM each

5U/ul

1ug/ul each

-

-

1X

200uM

0.025U/ul

50ng/ul each

-

-

6.0ul

0.6ul

0.2ul

2.0ul each

10-20ng

up to 30ul

5X Buffer with MgCl2*

5X Buffer**

dNTPs

Taq Polymerase

primers

MgCl2

DNA Template

MG Water

5X

10mM each

5U/ul

1ug/ul each

50mM

-

-

1X

200uM

0.025U/ul

50ng/ul each

1.5-4.0 mM

-

-

6.0ul

0.6ul

0.2ul

2.0ul each

0.9-2.4ul 

10-20ng

up to 30ul

5X Buffer without  MgCl2**

Cycling conditions:

Spin down the tubes/plate briefly to remove bubbles and place them into the cycler.

denaturation

95°C

5min

denaturation (1)

95°C

30 sec

annealing (2)

extension

50-68°C

72°C

30 sec

30 sec

final elong.

72°C

5 min

final step

4°C

forever

1)The annealing temperature depends on the melting temperature of the primers used.

2)The elongation time depends on the length of the fragments to be amplified. A time of 1 min/kb is recommended.

Technical Support

Contact us at info@genespin.com to request Technical support with subject and details of your question/inquiry

Products

Molecular Biology

Proteins 

Research

Buffers

Reagents

yours

MOLECULAR BIOLOGY

reagents

Growth

Media

Antibiotics

Cells culture

Transfection

Inhibitors

© Copyright 2025 GeneSpin Srl. All rights reserved.

Questo sito web fa uso di cookies. Si prega di consultare la nostra informativa sulla privacy per i dettagli.

Non consentire

OK