Taq Single-stranded DNA Binding Protein

Catalog No. 4300

Availability: In stock

Price From: $60.00

Quick Overview

Thermostable single-stranded specific DNA binding protein suitable for high temperature DNA manipulations

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Price From: $60.00



Thermus aquaticus 


  • Thermostable single-stranded specific DNA binding protein (1)
  • Helix destabilizing protein (1)
  • Ultrapure recombinant protein


  • Reduces formation of problematic secondary DNA structures
  • Prevents degradation of ssDNA by nucleases
  • Prevents inhibition of PCR by template DNA contaminants (2)
  • Improves the efficiency of DNA amplification by Taq DNA Polymerase (3,4,5,6)
  • Improves the specificity and selectivity of multiplex PCR (7)
  • Aids PCR of difficult and GC-rich templates
  • Stabilizes single-stranded regions of DNA for site-specific mutagenesis
  • Aids completion of restriction enzyme digestion

Storage Buffer

20 mM Tris-HCl (pH 7.5 at 22°C)
300 mM NaCl
5 mM β-mercaptoethanol
0.05% Igepal
0.1 mM EDTA
50% (v/v) glycerol

Quality Control

All preparations are assayed for contaminating endonuclease, 3'- and 5'-exonuclease activities. Typical preparations are greater than 95% pure, as judged by SDS polyacrylamide gel electrophoresis.

Storage Conditions

Store at -20ºC
Product Shipped on Dry Ice 


Certificate of Analysis PDF -Current Lot


(1) Greipel, J. Urbanke, C. and Maass, G. (1989) in: Saenger, W., Heinemann, U. (Eds.) pp. 61-86
(2) Kreader, C.A. (1996) Applied Environ. Micro. 62, 1102-1106
(3) Dąbrowski, S., Olszewski, M., Piątek, R. and Kur, J. (2002) Protein Expr. Purif. 26, 131-138
(4) Dąbrowski, S. and Kur, J. (1999) Protein Expr. Purif. 16, 96-102
(5) Rapley, Mol. Biotech. 2 (1994) 295-298
(6) Schwarz, K., Hansen-Hagge, T. and Bartram, C. (1989) Nucleic Acids Res. 18, 1079
(7) Barski, P., Piechowicz, L., Galinski, J. and Kur, J. (1996) Mol. Cell Probes 10, 471-475