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Table 1 Kinetic parameters of published l-arabinose transporters. Vmax values are reported as nmol min−1 mg−1 and Km values as mM. H+ indicates proton/sugar symport mechanism

From: Functional characterization of a highly specific l-arabinose transporter from Trichoderma reesei

Organism

Protein

H+

Arabinose

Other sugars

References

Vmax

Km

Sugar

Vmax

Km

A. monospora

Lat1a

n.d.

1.1

0.03

   

[53]

A. thaliana

STP2b

x

\(0.6 \pm 0.08\)

\(4.5 \pm 2.2\)

Gald

 

0.05

[15, 104]

 

STP4c

x

\(1895 \pm 142\)

\(0.033 \pm 0.005\)

Glcd

 

0.015

[25, 105]

 

STP7c

x

\(230 \pm 13\)

\(0.29 \pm 0.03\)

Gal

 

28

[25]

 

STP14c

x

\(220 \pm 17\)

\(0.018 \pm 0.004\)

Gal

68.33

0.529

[25, 106]

K. marxianus

Axt1

 

\(57 \pm 6\)

\(263 \pm 57\)

Xyl

\(3.8 \pm 0.02\)

\(27 \pm 3\)

[54]

M. thermophila

LAT-1e

x

\(171.5 \pm 5.8\)

\(29.4 \pm 3.6\)

   

[20]

N. crassa

XAT-1

n.d.

\(1.1 \pm 0.2\)

\(61.93 \pm 17.68\)

Xyl

\(0.9 \pm 0.06\)

\(18.17 \pm 3.23\)

[19]

 

LAT-1e

x

\(1945 \pm 50\)

\(58.12 \pm 4.06\)

   

[20]

P. chrysogenum

AraT

x

\(5.3 \pm 0.2\)

\(0.13 \pm 0.03\)

   

[16]

P. guilliermondii

Axt1

x

\(18 \pm 0.8\)

\(0.13 \pm 0.04\)

Xyl

\(8.7 \pm 0.3\)

\(65 \pm 8\)

[54]

S. cerevisiae

Gal2

 

\(341 \pm 7\)

\(371 \pm 19\)

Gal

76

25

[54]

   

\(75 \pm 5.2\)

\(335 \pm 21\)

Glc

\(27.2 \pm 0.9\)

\(1.5 \pm 0.2\)

[16, 59]

   

\(2.2 \pm 0.26\)

\(57 \pm 11\)

Xyl

\(91.3 \pm 3.2\)

225.6  ± 15.8

[15, 59]

S. stipitis

AraT

n.d.

\(0.4 \pm 0.06\)

\(3.8 \pm 1.7\)

   

[15]

T. reesei

104072f

x

\(1.49 \pm 0.07\)

\(0.102 \pm 0.020\)

   

This study

 

104072g

x

 

0.207 ± 0.079

Xylg

 

9.16 ± 3.35

This study

  1. n.d. not determined
  2. amCherry fusion protein was used
  3. bprotein contained HA epitope
  4. cVmax as nmol min−1 mL−1
  5. dExpressed in Schizosaccharomyces pombe
  6. eGFP fusion protein was used
  7. fDetermined in yeast
  8. gDetermined in oocytes