HotStart DNA polymerases for long fragments

HotStart DNA polymerases for long fragments

Hot start DNA polymerase is a modified form of DNA polymerase which avoids a non-specific amplification of DNA by inactivation of the taq polymerase at low temperatures. The polymerase chain reaction (PCR) is a technology in molecular biology used to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence. In Hot start PCR, specific antibodies are used to block the Taq-polymerase at lower temperature. An initial step at 95℃ is required for denaturing the antibodies linked to the active center of the enzyme. The anti-Taq antibodies reduce the Taq polymerase activity below 72℃, the optimal temperature at which the enzyme extends the primers. When the specific antibodies detach from Taq-polymerase, the amplification proceeds with greater specificity.

Long range PCR allows the amplification of PCR products, which are much larger than those achieved with conventional Taq polymerases. Up to 27 kb fragments are possible from good quality genomic DNA. Amplification of long DNA fragments is desirable for numerous applications such as physical mapping applications and direct cloning from genomes.

Name TransStart KD Plus DNA polymerase
Product code AP301
Type Genetically modified high fidelity DNA polymerase
Speed 1 kb/min
Amplicon size < 20 kb
Error rate 3.2 x10-6 errors / nt
3'-5' exonuclease activity Yes
HotStart No


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Price Bef. VAT
AP301-01
 100units 
AP301-02
 200units 
AP301-03
 6×200units