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Enzymatic activity of known glycosyltransferase homomers and heteromers
| Enzyme | Monomer/homomer | Heteromer | Activity increasea | References |
|---|---|---|---|---|
| EXT1/EXT2 | Yes (low) | Yes | 3–7 | [72, 73] |
| β3GnT-2/β3GnT-8 | Yes (low) | Yes | 10 | [45] |
| GalT-I/ST6Gal-I | Yes (moderate) | Yes | 2.5 | [41] |
| Sial-T1/Sial-T2 | Yes (moderate) | Yes | 2.5 | [106, 107] |
aHeteromer activity vs. monomer/homomer
