Cloning and expression of T5 DNA polymerase reduced in 3'-to-5'

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Transferase other than ribonuclease

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435196, 4352523, 43525411, 4353201, 435325, 536 232, 536 241, C12N 1522, C12N 121, C12N 912, C12N 916

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057168199

ABSTRACT:
The present invention discloses a recombinant DNA molecule having a structural gene encoding a processive, thioredoxin-independent DNA polymerase that is substantially reduced in processive 3'-to-5' DNA exonuclease activity, a promoter, and an origin of replication. A method for producing this enzyme is also disclosed, as is the protein produced by this process. This invention is exemplified by expression of exonuclease.sup.- T5 DNA polymerase in E. coli.

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