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Literature summary for 2.7.1.6 extracted from

  • Szumilo, T.
    A galactokinase of Mycobacterium sp. 279 galactose mutant (1982), Acta Microbiol. Pol., 31, 249-256.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
additional information Hg-containing compounds at 0.4 mM completely block the enzyme Mycobacterium sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.29
-
ATP
-
Mycobacterium sp.
1
-
D-galactose
-
Mycobacterium sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ most active in the presence of Mg2+, Co2+, Mn2+ or Fe2+ Mycobacterium sp.
Fe2+ most active in the presence of Mg2+, Co2+, Mn2+ or Fe2+ Mycobacterium sp.
Mg2+ most active in the presence of Mg2+, Co2+, Mn2+ or Fe2+ Mycobacterium sp.
Mn2+ most active in the presence of Mg2+, Co2+, Mn2+ or Fe2+ Mycobacterium sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41700
-
gel filtration Mycobacterium sp.

Organism

Organism UniProt Comment Textmining
Mycobacterium sp.
-
galactose mutant
-
Mycobacterium sp. 279
-
galactose mutant
-

Purification (Commentary)

Purification (Comment) Organism
partial Mycobacterium sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + D-galactose
-
Mycobacterium sp. ADP + alpha-D-galactose 1-phosphate
-
?
ATP + D-galactose
-
Mycobacterium sp. 279 ADP + alpha-D-galactose 1-phosphate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
rapid inactivation above Mycobacterium sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8 8
-
Mycobacterium sp.

pH Stability

pH Stability pH Stability Maximum Comment Organism
7
-
stable Mycobacterium sp.