Table 2.
Nucleosides (100 μM) | Enzyme Activity (nmoles mg−1 hr−1)a | Relative activity (%) |
---|---|---|
Purines | ||
5′-Methylthioadenosine | 99,000 ± 3,000 | 100 |
Adenosine | 2,100 ± 200 | 2.1 |
S-Adenosyl-L-homocysteine | 800 ± 100 | 0.81 |
2′-Deoxyadenosine | -- | -- |
Inosine | -- | -- |
Guanosine | -- | -- |
Xanthosine | -- | -- |
5′-Methylthioinosine | -- | -- |
Pyrimidines | ||
Cytidine | -- | -- |
Thymidine | -- | -- |
Uridine | -- | -- |
values represent mean ± standard deviation for 3 determinations
-- less than 700 nmoles mg−1 hr−1