Dna polymerases with enhanced thermostability and enhanced...

C - Chemistry – Metallurgy – 12 – N

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C12N 15/54 (2006.01) C12N 9/12 (2006.01) C12N 15/10 (2006.01) C12P 19/34 (2006.01) C12Q 1/68 (2006.01) C12Q 1/70 (2006.01)

Patent

CA 2156176

A DNA polymerase having an amino acid sequence comprising substantially the same amino acid sequence as that of Thermus aquaticus or Thermus flavus DNA polymerase, excluding the N-terminal 280 amino acid residues of Thermus aquaticus DNA polymerase or the N-terminal 279 amino acid residues of Thermus flavus DNA polymerase, recombinant DNA sequences encoding said DNA polymerases, vectors comprising said DNA sequences, and host cells containing such vectors. A formulation of thermostable or other DNA polymerases comprising a majority component comprised of at least one thermostable or other DNA polymerase of the type described above, wherein the DNA polymerase lacks 3'-exonuclease activity, and a minority component comprised of at least one thermostable DNA polymerase exhibiting 3'-exonuclease activity, and an improved method for enzymatic extension of DNA strands, especially while, but not limited to, amplifying nucleic acid sequence by polymerase chain reaction wherein the above formulation is made and used to catalyse primer extension, are also provided.

L'invention concerne une ADN polymérase comprenant une séquence d'aminoacides contenant pratiquement la même séquence d'aminoacides que l'ADN polymérase de Thermus aquaticus ou Thermus flavus, à l'exclusion des 280 restes aminoacides N-terminaux de l'ADN polymérase de thermus aquaticus ou des 279 restes aminoacides N-terminaux de l'ADN polymérase de Thermus flavus, des séquences d'ADN de recombinaison codant lesdites ADN polymérases, des vecteurs comprenant lesdites séquences d'ADN, et des cellules hôtes contenant ces vecteurs. L'invention porte également sur une formule d'ADN polymérases thermostables ou autres comportant un composant majoritaire constitué d'au moins une ADN polymérase thermostable ou autre du type décrit ci-dessus, l'ADN polymérase ne présentant aucune activité de 3'-exonucléase, et un composant minoritaire constitué d'au moins une ADN polymérase présentant une activité de 3'-exonucléase. L'invention se rapporte également à un procédé perfectionné d'extension enzymatique des brins d'ADN, pour, entre autres, amplifier les séquences d'acides nucléiques par PCR, la formule sus-mentionnée étant conçue et utilisée pour catalyser l'extension d'amorce.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Dna polymerases with enhanced thermostability and enhanced... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dna polymerases with enhanced thermostability and enhanced..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dna polymerases with enhanced thermostability and enhanced... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1528201

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.