| pyrococcus | A genus of strictly anaerobic ultrathermophilic archaea, in the family thermococcaceae, occurring in heated seawaters. They exhibit heterotrophic growth at an optimum temperature of 100 degrees c. (12 Dec 1998) |
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| Pyrococcus sp GB-D DNA polymerase | <enzyme> Thermophilic enzyme from the archaeon pyrococcus; used in pcr site-directed mutagenesis Registry number: EC 2.7.7.- Synonym: gb-d polymerase (26 Jun 1999) |