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Table 3 Substrate specificity of Err1 from A. niger

From: Characterization of erythrose reductases from filamentous fungi

Substrate a

K m[μM]

k cat[kat/mol]

k cat/K m[1/(mM·s)]

L-arabinose

286.66 ± 27.06b

7.32 ± 0.51

25.55 ± 0.64

Dihydroxyaceton

n.d.c

n.d.

n.d.

D-erythrose

139.39 ± 6.45

24.95 ± 1.05

179.00 ± 0.76

D-glucose

n.d.

n.d.

n.d.

L-glyceraldehyde

319.28 ± 4.12

143.23 ±1.12

448.61 ± 2.29

Glyoxal

330.95 ± 3.06

49.09 ± 0.68

148.34 ± 0.68

Methylglyoxal

352.81 ± 24.42

196.04 ± 13.43

555.66 ± 0.39

D-threose

279.50 ± 7.89

108.44 ± 1.98

387.97 ± 3.87

D-xylose

n.d.

n.d.

n.d.

D-xylulose

n.d.

n.d.

n.d.

  1. a listed in alphabetical order.
  2. b mean of three replicates and standard deviation is given.
  3. c means not detectable.