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The expected taxonomic range for this enzyme is: Kluyvera cryocrescens
Synonyms
ATP/hamamelose 2'-phosphotransferase, hamamelose kinase (phosphorylating), hamamelosekinase (ATP:hamamelose 2'-phosphotransferase), kinase, hamamelose (phosphorylating), more
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ATP/hamamelose 2'-phosphotransferase
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hamamelose kinase (phosphorylating)
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hamamelosekinase (ATP:hamamelose 2'-phosphotransferase)
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kinase, hamamelose (phosphorylating)
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ATP + D-hamamelose = ADP + D-hamamelose 2'-phosphate
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phospho group transfer
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ATP:D-hamamelose 2'-phosphotransferase
Also acts, more slowly, on D-hamamelitol.
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ATP + D-hamamelitol
ADP + D-hamamelitol 2'-phosphate
ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
additional information
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ATP + D-hamamelitol
ADP + D-hamamelitol 2'-phosphate
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Substrates: poor substrate
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ATP + D-hamamelitol
ADP + D-hamamelitol 2'-phosphate
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Substrates: poor substrate
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: specific for hamamelose
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: initial step of the catabolic reaction sequence for dissimilation of hamamelose
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: specific for hamamelose
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: initial step of the catabolic reaction sequence for dissimilation of hamamelose
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additional information
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Substrates: no substrates: D-glucose, D-glucosamine, D-fructose, D-mannose, D-galactose, D-arabinose, D-xylose
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additional information
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Substrates: no substrates: D-glucose, D-glucosamine, D-fructose, D-mannose, D-galactose, D-arabinose, D-xylose
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: initial step of the catabolic reaction sequence for dissimilation of hamamelose
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ATP + D-hamamelose
ADP + hamamelose 2'-phosphate
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Substrates: initial step of the catabolic reaction sequence for dissimilation of hamamelose
Products: -
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ATP
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above 7 mM: significant substrate inhibition
hamamelose
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above 5 mM: significant substrate inhibition
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additional information
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enzyme is induced by growing on D-hamamelose
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2.5
ATP
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at 30°C, pH 7.5
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D-hamamelose
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at 30°C, pH 7.5
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2.6 - 6.6
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at 30°C, pH 7.5
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6.6 - 8.5
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10% of maximal activity at pH 6.6, 80% of maximal activity at pH 8.5
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grown on D-hamamelose
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brenda
grown on D-hamamelose
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brenda
Highest Expressing Human Cell Lines
Cell Line Links
Gene Links
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6.4
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optimal enzyme stability in the crude extract at
640277
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no stabilization by dithioerythritol, mercaptoethanol, glycerol or bovine serum albumin
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purified enzyme is very labile, 4 mM D-hamamelose, added to storage buffer, stabilizes
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-20°C, purified enzyme, within 10 days, complete loss of activity
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low temperatures, 4 mM hamamelose, protein concentration not lower than 0.2 mg/ml, stable
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Beck, E.; Wieczorek, J.; Reinecke, W.
Purification and properties of hamamelosekinase
Eur. J. Biochem.
107
485-489
1980
Kluyvera cryocrescens, Kluyvera cryocrescens 627
brenda
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