Jump to content

Main menu Navigation ●Main page ●Contents ●Current events ●Random article ●About Wikipedia ●Contact us ●Donate Contribute ●Help ●Learn to edit ●Community portal ●Recent changes ●Upload file

Search

●Create account ●Log in ●Create account ● Log in Pages for logged out editors learn more ●Contributions ●Talk

Contents

(Top) 1 Pathology 2 References 3 External links

Hepatic fructokinase

●Deutsch ●Français ●한국어 ●日本語 ●Српски / srpski ●Srpskohrvatski / српскохрватски ●Suomi Edit links ●Article ●Talk ●Read ●Edit ●View history Tools Actions ●Read ●Edit ●View history General ●What links here ●Related changes ●Upload file ●Special pages ●Permanent link ●Page information ●Cite this page ●Get shortened URL ●Download QR code ●Wikidata item Print/export ●Download as PDF ●Printable version In other projects ●Wikimedia Commons Appearance From Wikipedia, the free encyclopedia

ketohexokinase (fructokinase)

Ketohexokinase homodimer, Human

Identifiers

Symbol

KHK

Other data

Chr. 2 p23.3-23.2

Search for
Structures	Swiss-model
Domains	InterPro

Ketohexokinase

Identifiers

Databases

metabolic pathway

PDB structures

RCSB PDB PDBe PDBsum

Search
PMC	articles
PubMed	articles
NCBI	proteins

Hepatic fructokinase (orketohexokinase) is an enzyme that catalyzes the phosphorylationoffructose to produce fructose-1-phosphate.

ATP +

\longrightarrow

ADP +

ATP + D-fructose → ADP + D-fructose-1-phosphate^[1]

Pathology[edit]

A deficiency is associated with essential fructosuria.

References[edit]

^ 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.

External links[edit]

Hepatic+fructokinase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

v t e Metabolism: carbohydrate metabolism fructose and galactose enzymes
Fructose / Fructolysis	Hepatic fructokinase Aldolase B Triokinase
Sorbitol	Sorbitol dehydrogenase Aldose reductase
Galactose / Galactolysis	Galactokinase Galactose-1-phosphate uridylyltransferase/UDP-glucose 4-epimerase Aldose reductase Galactose mutarotase^[1]
Lactose	Lactose synthase Lactase
Mannose	Mannose phosphate isomerase

t

e

Transferases: phosphorus-containing groups (EC 2.7)

2.7.1-2.7.4:
phosphotransferase/kinase
(PO₄)

2.7.1: OH acceptor	Hexo- Gluco- Fructo- Hepatic Galacto- Phosphofructo- 1 Liver Muscle Platelet 2 Riboflavin Shikimate Thymidine ADP-thymidine NAD⁺ Glycerol Pantothenate Mevalonate Pyruvate Deoxycytidine PFP Diacylglycerol Phosphoinositide 3 Class I PI 3 Class II PI 3 Sphingosine Glucose-1,6-bisphosphate synthase
2.7.2: COOH acceptor	Phosphoglycerate Aspartate kinase
2.7.3: N acceptor	Creatine
2.7.4: PO₄ acceptor	Phosphomevalonate Adenylate Nucleoside-diphosphate Uridylate Guanylate Thiamine-diphosphate

2.7.6: diphosphotransferase
(P₂O₇)

2.7.7: nucleotidyltransferase
(PO₄-nucleoside)

DNA-directed DNA polymerase

I/A

Taq

II/B

Pfu

III/C

IV/X

V/Y

RNA-directed DNA polymerase

Reverse transcriptase

Template-directed

RNA polymerase I

V

1

2

RNA-dependent RNA polymerase

Polyadenylation

Phosphorolytic
3' to 5' exoribonuclease

Nucleotidyltransferase

Guanylyltransferase

mRNA capping enzyme

Other

2.7.8: miscellaneous

Phosphatidyltransferases

Glycosyl-1-phosphotransferase

N-acetylglucosamine-1-phosphate transferase

2.7.10-2.7.13: protein kinase
(PO₄; protein acceptor)

2.7.10: protein-tyrosine	see tyrosine kinases
2.7.11: protein-serine/threonine	see serine/threonine-specific protein kinases
2.7.12: protein-dual-specificity	see serine/threonine-specific protein kinases
2.7.13: protein-histidine	Protein-histidine pros-kinase Protein-histidine tele-kinase Histidine kinase

v t e Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Diffusion-limited enzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)

This EC 2.7 enzyme-related article is a stub. You can help Wikipedia by expanding it.

t

e

^ Beebe, Jane A.; Frey, Perry A. (1998-10-01). "Galactose Mutarotase: Purification, Characterization, and Investigations of Two Important Histidine Residues". Biochemistry. 37 (42): 14989–14997. doi:10.1021/bi9816047. ISSN 0006-2960.

Retrieved from "https://en.wikipedia.org/w/index.php?title=Hepatic_fructokinase&oldid=1225304916" Categories: ●Genes on human chromosome 2 ●EC 2.7.1 ●EC 2.7 stubs Hidden categories: ●Articles with short description ●Short description matches Wikidata ●All stub articles ●This page was last edited on 23 May 2024, at 16:17 (UTC). ●Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. ●Privacy policy ●About Wikipedia ●Disclaimers ●Contact Wikipedia ●Code of Conduct ●Developers ●Statistics ●Cookie statement ●Mobile view