TABLE 4.
Correlation between calculated active-site volumes in enzymes and optimal temperatures for growth and growth rates of Antarctic yeasts.
| Enzyme | To Gr |
To OTG |
||
| High OTG | Low OTG | High Gr | Low Gr | |
| Acetolactate synthase mitochondrial | −200 ± 13 (1.0) | |||
| Alcohol dehydrogenase | −405 ± 81 (0.9) | 636 ± 330 (0.8) | −50 ± 16 (0.7) | 74 ± 25 (0.9) |
| Aspartate-semialdehyde dehydrogenase | 706 ± 150 (0.9) | 141 ± 30 (0.9) | ||
| Catalase | 91 ± 0 (1.0) | −313 ± 90 (0.8) | −23 ± 0 (1.0) | |
| Fructose-1,6-bisphosphatase | −6259 ± 0 (1.0) | 1301 ± 709 (0.5) | −264 ± 99 (0.7 | 469 ± 0 (1.0) |
| Fructose-bisphosphate aldolase | −12 ± 9 (1.0) | |||
| Glucose-6-phosphate isomerase | −1500 ± 0 (1.0) | 173 ± 0 (1.0) | ||
| Inorganic pyrophosphatase | 270 ± 0 (1.0) | |||
| Malate dehydrogenase | 62 ± 27 (0.8) | −362 ± 188 (0.8) | −36 ± 27 (0.6) | |
| Transketolase | −303 ± 213 (0.5) | |||
| Uracil phosphoribosyltransferase | −145 ± 34 (0.9) | |||
In parentheses, the R2 values from linear regressions are given. OTG, optimal temperature for growth; Gr, growth rate.