EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
2.4.1.278 | dTDP-3-dimethylamino-4,6-dideoxy-alpha-D-glucopyranose + 3-alpha-mycarosylerythronolide B |
dTDP-3-dimethylamino-4,6-dideoxy-alpha-D-glucopyranose i.e. dTDP-D-desosamine |
Saccharopolyspora erythraea |
dTDP + erythromycin D |
- |
? |
2.4.1.278 | dTDP-3-dimethylamino-4,6-dideoxy-alpha-D-glucopyranose + 3-alpha-mycarosylerythronolide B |
TDP-3-dimethylamino-4,6-dideoxy-alpha-D-glucopyranose i.e. TDP-D-desosamine |
Saccharopolyspora erythraea |
dTDP + erythromycin D |
product detected by HPLC. Identity is conformed via mass spectrometry and chromatographic comparison with an authentic reference standard |
? |
2.4.1.278 | dTDP-D-desosamine + 3-alpha-L-mycarosylerythronolide B |
- |
Streptomyces venezuelae |
dTDP + erythromycin D |
- |
? |
2.4.1.278 | dTDP-D-mycaminose + 3-alpha-mycarosylerythronolide B |
the activated enzyme is capable of transferring an alternative sugar donor |
Saccharopolyspora erythraea |
dTDP + erythromycin M |
- |
? |
2.4.1.278 | more |
no activity with: TDP-D-mycaminose, 6-deoxy-erythronolide B, 10-deoxymethynolide |
Saccharopolyspora erythraea |
? |
- |
? |