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Table 1 Available crystal structures of aldose-1-dehydrogenases acting on pentose sugars

From: Structure and function of aldopentose catabolism enzymes involved in oxidative non-phosphorylative pathways

Enzyme

(Short name in this article)

EC number

PDB code

Organism

Resolution (Ã…)

Ligands

Quaternary structure

Refs.

Dehydrogenase/reductase superfamily: MDR family

 

 d-arabinose dehydrogenase

(Ss ADH)

EC 1.1.1.117

2H6E

Saccharolobus solfataricus

1.80

Zn2+

Tetramer

[21]

 d-glucose dehydrogenase

(Ss GDH)

EC 1.1.1.119

2CD9

2CDA 2CDB

2CDC

Saccharolobus solfataricus

1.80

2.28

1.60

1.5

Zn2+

Zn2+, NADP

Zn2+, NADP, d-glucose

Zn2+, NADP, d-xylose

Tetramer

[22]

Gfo/Idh/MocA superfamily

 

 l-arabinose dehydrogenase

(Ab ADH)

EC 1.1.1.376

6JNJ

6JNK

7CGQ

Azospirillum brasiliensis

1.50

2.20

2.21

–

NADP

NADP, L-arabinose

Dimer

[23, 24]

 d-galactose-1-dehydrogenase

(Re GDH)

EC 1.1.1.120

4EW6

Rhizobium etli

2.30

–

Dimer

[25]

 Aldose–aldose oxidoreductase

EC 1.1.99.-

5A02

5A03

5A04

5A05

5A06

Caulobacter crescentus

2.00

1.85

1.70

1.90

1.84

NADP, glycerol

NADP, d-xylose

NADP, d-glucose

NADP, maltotriose

NADP, d-sorbitol

Dimer

[26]