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2.4.1.278: 3-alpha-mycarosylerythronolide B desosaminyl transferase

This is an abbreviated version!
For detailed information about 3-alpha-mycarosylerythronolide B desosaminyl transferase, go to the full flat file.

Word Map on EC 2.4.1.278

Reaction

dTDP-D-desosamine
+
3-alpha-L-mycarosylerythronolide B
=
dTDP
+
erythromycin D

Synonyms

DesVII, EryCIII, glycosyltransferase EryCIII

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.278 3-alpha-mycarosylerythronolide B desosaminyl transferase

Turnover Number

Turnover Number on EC 2.4.1.278 - 3-alpha-mycarosylerythronolide B desosaminyl transferase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.017 - 1.7
3-alpha-mycarosylerythronolide B
1.7
dTDP-3-dimethylamino-4,6-dideoxy-alpha-D-glucopyranose
-
pH 8.0, 25°C, in the presence og 0.001 mM EryC and 1 mM of each substrate, more than 300 turnovers are observed in 2.5 min, indicating that the kcat must be greater than 100/min. This is one of the highest turnover numbers reported for an antibiotic glycosyl transferase