C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/54 (2006.01) C12N 9/12 (2006.01) C12P 19/34 (2006.01)
Patent
CA 2251588
The present invention is directed to an isolated and purified DNA encoding a biologically active fragment of a thermostable, full length DNA polymerase I enzyme of Bacillus stearothermophilus. More particularly, the invention is directed to a DNA encoding an approximately 66,000 dalton DNA polymerase that lacks 273 amino acids from the N-terminus of the approximately 96,000 dalton B. stearothermophilus DNA polymerase I, and to the protein encoded thereby which has been designated the B. stearothermophilus DNA polymerase I exo- fragment. The enzyme fragments are useful in DNA sequencing, cDNA preparations, thermophilic Strand Displacement Amplification and other molecular biology applications.
La présente invention se rapporte à un ADN isolé et purifié codant un fragment biologiquement actif d'une enzyme thermostable, pleine longueur, de type ADN polymérase I de Bacillus stearothermophilus. L'invention se rapporte plus particulièrement à un ADN codant une ADN polymérase d'environ 66000 daltons à laquelle il manque 273 acides aminés à partir de l'extrémité N-terminale de l'ADN polymérase I de B. stearothermophilus d'environ 96000 daltons, ainsi qu'à la protéine ainsi codée qui a été appelée l'exo-fragment d'ADN polymérase I de B. stearothermophilus. Ces fragments enzymatiques sont utiles au séquençage d'ADN, à la préparation d'ADNc, à l'amplification thermophile par déplacement de brins et à d'autres applications de biologie moléculaire.
Swaminathan Neela
Wilkosz Richard K.
Molecular Biology Resources Inc.
Ridout & Maybee Llp
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