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Bsu DNA Polymerase Large Fragment

$60.00$395.00

Bsu DNA Polymerase I, Large Fragment is suitable for various purposes including RPA (Recombinase Polymerase Amplification)


    200 units (5 units/µl) - $60.00 (Cat.# 3582 )

    1000 units (5 units/µl) - $225.00 (Cat.# 3585 )

    2000 units (5 units/µl) - $395.00 (Cat.# 3587 )

Description

Bsu DNA Polymerase I, Large Fragment is a product of the Bacillus subtilis DNA polymerase I which lacks the N-terminal exonuclease domain (1-296 amino acids). It retains the 5´→ 3´ polymerase activity of DNA polymerase I but lacks the 5´→ 3´ exonuclease activity. This large fragment also lacks 3´→ 5´ exonuclease activity (1)

Applications
• Strand displacement DNA synthesis (2)
• Random primer labeling
• Second strand cDNA synthesis
• dA-tailing

Protein Purity
The physical purity of Bsu DNA Polymerase I, Large Fragment is ≥99% as assessed by SDS-PAGE with Coomassie® blue staining (see figure below).

Product Source
E. coli strain expressing Bsu Polymerase I gene lacking the N-terminal exonuclease domain.

Product Includes
Bsu DNA Polymerase I, Large fragment
10x Bsu DNA Polymerase I reaction buffer

 1x Bsu Polymerase I reaction buffer
10 mM Tris-HCl
50 mM KCl
10 mM MgCl2
1 mM DTT
pH 7.9 @ 25°C

Storage Buffer
50 mM Tris-HCl
50 mM KCl
1 mM DTT
0.1 mM EDTA,
50% Glycerol
pH 7.5 @ 25ºC

Storage Temperature
20ºC

Heat inactivation
70°C for 20 min

Unit Definition
One unit is defined as the amount of enzyme that incorporates 10 nmoles of dNTP into acid-insoluble form in 30 minutes at 37º C.

Quality Control assays
Bsu Polymerase I, Large fragment is free from detectable nuclease activities.  Quality control is performed following the production of each new lot of product to ensure that it meets the quality standards and specifications designated for the product.

References
1. Okazaki, T. et al. (1964) J. Biol. Chem. 239, 259–268.
2. Piepenburg, O. et al. (2006) PLOS Biology, 4, 1115–1121.3582 3585

Additional information

Unit

200 units (5 units/µl), 1000 units (5 units/µl), 2000 units (5 units/µl)

Manual - Bsu DNA Polymerase I, Large Fragment Manual

MSDS - ig Bsu DNA Polymerase Large Fragment

Title

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