Strain | XR gene | Cofactor | Specific XR activity U mg-1 protein | KmA μM | KmB mM | KiA μM | Vmax U mg-1 protein |
---|---|---|---|---|---|---|---|
Y-PsNative | XYL1 | NADPH NADH | 0.23 ± 0.06 0.10 ± 0.02 | 1.0 ± 0.6 28.7 ± 5.4 | 62.2 ± 27.7 59.2 ± 10.5 | 1.4 ± 1.2 25.9 ± 11.7 | 0.30 ± 0.05 0.21 ± 0.01 |
Y-PsK270M | XYL1(K270M) | NADPH NADH | 0.08 ± 0.01 0.04 ± 0.01 | 290 ± 78.6 - | 454 ± 142 - | 293 ± 169 - | 0.91 ± 0.09 - |
Y-PsK270R | XYL1(K270R) | NADPH NADH | 0.54 ± 0.02 0.32 ± 0.02 | 25.8 ± 9.1 62.8 ± 18.7 | 468 ± 151 145 ± 36.9 | 22.9 ± 17.6 57.4 ± 34.9 | 2.13 ± 0.24 0.96 ± 0.09 |
Y-CpXR | XYL1(C. parapsilosis) | NADPH NADH | n.d. n.d. | - - | - - | - - | - - |