Tagatose kinase

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tagatose kinase
Identifiers
EC no. 2.7.1.101
CAS no. 39434-00-9
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BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
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Gene Ontology AmiGO / QuickGO
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NCBI proteins

In enzymology, a tagatose kinase (EC 2.7.1.101) is an enzyme that catalyzes the chemical reaction

ATP + D-tagatose ADP + D-tagatose 6-phosphate

Thus, the two substrates of this enzyme are ATP and D-tagatose, whereas its two products are ADP and D-tagatose 6-phosphate.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:D-tagatose 6-phosphotransferase. Other names in common use include tagatose 6-phosphate kinase (phosphorylating), D-tagatose 6-phosphate kinase, and tagatose-6-phosphate kinase. This enzyme participates in galactose metabolism.

Structural studies

As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 2FIQ.

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References


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