High-Level Overproduction of His-Tagged Tth DNA Polymerase in Thermus thermophilus

ABSTRACT A new plasmid for the overexpression of His-tagged thermozymes in Thermus thermophilus was developed. With this plasmid, soluble and active histidine-tagged DNA polymerase from T. thermophilus was overproduced in larger amounts in the thermophile than in Escherichia coli. The protein purified from the thermophile was active in PCR.

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