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Literature summary for 2.1.1.5 extracted from

  • Waditee, R.; Incharoensakdi, A.
    Purification and kinetic properties of betaine-homocysteine methyltransferase from Aphanothece halophytica (2001), Curr. Microbiol., 43, 107-111.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Betaine aldehyde 100% inhibition at 2.5 mM Aphanothece halophytica
choline 60% inhibition at 5 mM Aphanothece halophytica
N,N-dimethylglycine 70% inhibition at 5 mM Aphanothece halophytica
NaCl 100% inhibition above 200 mM Aphanothece halophytica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3
-
L-homocysteine
-
Aphanothece halophytica
4.3
-
glycinebetaine
-
Aphanothece halophytica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
45000
-
8 * 45000, SDS-PAGE Aphanothece halophytica
350000
-
gel filtration Aphanothece halophytica

Organism

Organism UniProt Comment Textmining
Aphanothece halophytica
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aphanothece halophytica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
glycinebetaine + L-homocysteine
-
Aphanothece halophytica ? + L-methionine
-
?

Subunits

Subunits Comment Organism
octamer 8 * 45000, SDS-PAGE Aphanothece halophytica

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Aphanothece halophytica

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Aphanothece halophytica