Hexokinases

Hexokinases catalyze the first essential step of glucose metabolism, the conversion of the substrate glucose into glucose-6-phosphate. This phosphorylation event directly couples extramitochondrial glycolysis to intramitochondrial oxidative phosphorylation.

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文献 (2)
Gene Data

Hexokinases Inhibitors

Cat. No. 产品名称/活性
7512 3-Bromopyruvate
Hexokinase II inhibitor; also inhibits MCT1
1646 Lonidamine
Mitochondrial hexokinase inhibitor

Hexokinases Activators

Cat. No. 产品名称/活性
5133 GKA 50
Glucokinase activator

Other

Cat. No. 产品名称/活性
4515 2-Deoxy-D-glucose
Non-metabolizable glucose analog; inhibits glucose metabolism

Hexokinases catalyze the first essential step of glucose metabolism, the conversion of glucose into glucose-6-phosphate. This directly couples extramitochondrial glycolysis to intramitochondrial oxidative phosphorylation. There are two subtypes of mitochondrial hexokinases, HK1 and HK2, each of which has four isozymes designated hexokinase I, II, III and IV.

HK1 and HK2 are both localized to the outer mitochondrial membrane, with HK1 being found in nervous tissue and HK2 in insulin-responsive tissues such as skeletal muscle. Activation of mitochondrial hexokinases is regulated by Akt/PKB-mediated phosphorylation and they are subject to inhibiton by their end product, glucose-6-phosphate. In addition to glucose metabolism, mitochondrial hexokinases have been implicated in antiapoptotic and cell survival signaling.

External sources of pharmacological information for Hexokinases :

    Literature for Hexokinases

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    Hexokinases Gene Data

    Gene Species Gene Symbol Gene Accession No. Protein Accession No.
    HK1 Human HK1 NM_000188 P19367
    Mouse Hk1 NM_010438 P17710
    Rat Hk1 NM_012734 P05708
    HK2 Human HK2 NM_000189 P52789
    Mouse Hk2 NM_013820 O08528
    Rat Hk2 NM_012735 P27881