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Literature summary for 1.2.1.8 extracted from

  • Pan, S.M.; Moreau, R.A.; Yu, C.; Huang, A.H.C.
    Betaine accumulation and betaine-aldehyde dehydrogenase in spinach leaves (1981), Plant Physiol., 67, 1105-1108.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
dithiothreitol enhances activity Spinacia oleracea

Inhibitors

Inhibitors Comment Organism Structure
NaCl 0.5 M, 50% inhibition Spinacia oleracea
PCMB
-
Spinacia oleracea
Pro
-
Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00946
-
NAD+
-
Spinacia oleracea
0.208
-
Betaine aldehyde
-
Spinacia oleracea
0.635
-
NADP+
-
Spinacia oleracea

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
betaine aldehyde + NAD+ + H2O Spinacia oleracea synthesis of betaine betaine + NADH
-
?

Organism

Organism UniProt Comment Textmining
Kandelia candel
-
-
-
Spinacia oleracea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-
leaf
-
Kandelia candel
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.1938
-
-
Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
betaine aldehyde + NAD+ + H2O
-
Kandelia candel betaine + NADH
-
?
betaine aldehyde + NAD+ + H2O equilibrium of the reaction strongly favours betaine formation Spinacia oleracea betaine + NADH
-
?
betaine aldehyde + NAD+ + H2O synthesis of betaine Spinacia oleracea betaine + NADH
-
?
betaine aldehyde + NADP+ + H2O 25% of the maximal activity with NAD+ Spinacia oleracea betaine + NADPH
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Spinacia oleracea

pH Range

pH Minimum pH Maximum Comment Organism
7 9 pH 7.0: about 40% of maximal activity, pH 9.0: about 50% of maximal activity Spinacia oleracea

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Spinacia oleracea