Table 7.

Comparison of subunit numbers in hyperthermophilic versus mesophilic enzymes

SourceEnzymeNo. of subunits in:Reference
Hyperthermophilic enzymeMesophilic enzymes
Pyrococcus woeseiPGK21136
Methanothermus fervidusPGK2
Pyrococcus furiosusβ-Glucosidase41357
Sulfolobus solfataricusβ-Glucosidase4
Thermotoga maritimaβ-Glucosidase2
T. maritimaAnthranilate synthase21315
T. maritimaDihydrofolate reductase1 or 21364
T. maritimaPhosphoribosyl-anthranilate isomerase21332
S. solfataricusβ-Glycosidase4263
Thermosphaera aggregansβ-Glycosidase4
Methanopyrus kandleriMkCH32120