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CATH Classification

Domain Context

CATH Clusters

Superfamily Aldehyde Dehydrogenase; Chain A, domain 2
Functional Family 4-trimethylaminobutyraldehyde dehydrogenase isoform X1

Enzyme Information

1.2.1.3
Aldehyde dehydrogenase (NAD(+)).
based on mapping to UniProt P56533
An aldehyde + NAD(+) + H(2)O = a carboxylate + NADH.
-!- Wide specificity, including oxidation of D-glucuronolactone to D-glucarate. -!- Formerly EC 1.1.1.70.
1.2.1.8
Betaine-aldehyde dehydrogenase.
based on mapping to UniProt P56533
Betaine aldehyde + NAD(+) + H(2)O = betaine + NADH.
-!- In many bacteria, plants and animals, the osmoprotectant betaine is synthesized in two steps: (1) choline to betaine aldehyde and (2) betaine aldehyde to betaine. -!- This enzyme is involved in the second step and appears to be the same in plants, animals and bacteria. -!- In contrast, different enzymes are involved in the first reaction. -!- In plants, this reaction is catalyzed by EC 1.14.15.7, whereas in animals and many bacteria, it is catalyzed by either membrane-bound EC 1.1.99.1 or soluble EC 1.1.3.17. -!- In some bacteria, betaine is synthesized from glycine through the actions of EC 2.1.1.156 and EC 2.1.1.157.

UniProtKB Entries (1)

P56533
BADH_GADMC
Gadus morhua callarias
Betaine aldehyde dehydrogenase

PDB Structure

PDB 1BPW
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structure of betaine aldehyde dehydrogenase at 2.1 A resolution.
Johansson, K., El-Ahmad, M., Ramaswamy, S., Hjelmqvist, L., Jornvall, H., Eklund, H.
Protein Sci.
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