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ketohexokinase (fructokinase)
Ketohexokinase homodimer, Human
Identifiers
SymbolKHK
NCBI gene 3795
HGNC 6315
OMIM 229800
RefSeq NM_006488
UniProt P50053
Other data
EC number 2.7.1.3
Locus Chr. 2 p23.3-23.2
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Structures Swiss-model
Domains InterPro
Ketohexokinase
Identifiers
EC no. 2.7.1.3
CAS no. 9030-50-6
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
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PMC articles
PubMed articles
NCBI proteins

Hepatic fructokinase (or ketohexokinase) is an enzyme that catalyzes the phosphorylation of fructose to produce fructose-1-phosphate.

ATP + Fru    ADP + F1P
ATP + D-fructose → ADP + D-fructose-1-phosphate [1]

Pathology

A deficiency is associated with essential fructosuria.

References

  1. ^ Bais R, James HM, Rofe AM, Conyers RA (1985). "The purification and properties of human liver ketohexokinase. A role for ketohexokinase and fructose-bisphosphate aldolase in the metabolic production of oxalate from xylitol". Biochem. J. 230 (1): 53–60. doi: 10.1042/bj2300053. PMC  1152585. PMID  2996495.

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