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Proteins/UNIPROT:P52789
Catalyzes the phosphorylation of hexose, such as D-glucose and D-fructose, to hexose 6-phosphate (D-glucose 6-phosphate and D-fructose 6-phosphate, respectively). Mediates the initial step of glycolysis by catalyzing phosphorylation of D-glucose to D-glucose 6-phosphate. Plays a key role in maintaining the integrity of the outer mitochondrial membrane by preventing the release of apoptogenic molecules from the intermembrane space and subsequent apoptosis..
Function from UniProtKB (P52789), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 1 · substrate of
1 compound
1 compound.
0 reported routes1 assembled route
101 statements
101 statements · 8 reference databases · Subject: HK2 · Sources: Bgee, gene ontology, Hetionet, Human Protein Atlas, Human-GEM, Reactome, Rhea, WikiPathways
15 reactions
ATP+beta-D-fructoseADP+keto-D-fructose 6-phosphate+proton
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04319CC BY 4.0Reference data
4 names
Resolves to: HK2
Reaction pageLeft to rightBalancedEC 2.7.1.1, 2.7.1.2, 2.7.1.147cytosol
Human-GEM MAR04394CC BY 4.0Reference data
D-glucose+CHEBI:16039D-glucopyranose 6-phosphate+proton+CHEBI:17808
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04486CC BY 4.0Reference data
CHEBI:16284+D-glucoseCHEBI:16174+D-glucopyranose 6-phosphate+proton
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04487CC BY 4.0Reference data
beta-D-fructose+CHEBI:16039keto-D-fructose 6-phosphate+proton+CHEBI:17808
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04488CC BY 4.0Reference data
CHEBI:16284+beta-D-fructoseCHEBI:16174+keto-D-fructose 6-phosphate+proton
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04489CC BY 4.0Reference data
ATP+D-mannoseADP+proton+MAM02455c
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04490CC BY 4.0Reference data
CHEBI:16039+D-mannoseproton+CHEBI:17808+MAM02455c
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04492CC BY 4.0Reference data
CHEBI:16284+D-mannoseCHEBI:16174+proton+MAM02455c
Catalysed by HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04493CC BY 4.0Reference data
ATP+glucosamineADP+alpha-D-glucosamine 6-phosphate+proton
Catalysed by GCK or HKDC1 or HK1 or HK2 or HK3
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04494CC BY 4.0Reference data
glucosamine+CHEBI:16039alpha-D-glucosamine 6-phosphate+proton+CHEBI:17808
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04495CC BY 4.0Reference data
CHEBI:16284+glucosamineCHEBI:16174+alpha-D-glucosamine 6-phosphate+proton
Catalysed by HKDC1 or HK1 or HK2
Reaction pageLeft to rightBalancedEC 2.7.1.1cytosol
Human-GEM MAR04496CC BY 4.0Reference data