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Substrate acceptor specificities of the purified GalT1 and GalT2 enzymesa
| Enzyme | Sp act (U mg−1) |
|---|---|
| GalT1 (gal1P) | 93.1 ± 2.3 |
| GalT1 (galNAc1P) | ND |
| GalT1 (glcNAc1P) | ND |
| GalT2 (gal1P) | 0.261 ± 0.015 |
| GalT2 (galNAc1P) | 0.334 ± 0.028 |
| GalT2 (glcNAc1P) | 0.235 ± 0.013 |
Reactions were carried out at pH 7 and 37°C for various acceptors. Experiments were carried out in triplicate, and standard deviations are shown. ND, not detected.
