NCBI and Uniprot Product Information
NCBI Description
a ATP:D-hexose 6-phosphotransferase involved in the phosphorylation of glucose to produce glucose-6-phosphate [RGD, Feb 2006]
Uniprot Description
HK1: a glycolytic enzyme that catalyzes the reaction ATP + D-hexose = ADP + D-hexose 6-phosphate. The first and rate-limiting step in glycosis, a pathway that produces energy in the form of ATP from glucose. An allosteric enzyme inhibited by its product glucose-6-phosphate (Glc-6-P). HK-2 and its mitochondrial receptor (VDAC) play the most pivotal and direct roles in the ""Warburg effect"". Acts as a ""glucose sensor"" by trapping glucose inside the cell by catalyzing its phosphorylation to produce Glc-6-P. In vertebrates there are four major glucose-phosphorylating isoenzymes, designated hexokinase I, II, III and IV (glucokinase). Four human isoforms are produced by alternative splicing and alternative initiation. Isoform HK1 is markedly elevated in rapidly growing tumor cells exhibiting high glucose catabolic rates. HK1 is present in most tissues but is especially prominent in brain and kidney. Isoform HK1-SC is is an integral membrane protein detected in round spermatids, condensing spermatids and mature sperm where it is found in the head membranes, mitochondria of the midpiece and the fibrous sheath of the flagellum. Isoform HK1-SA is first expressed during meiosis and continues to be present in postmeiotic germ cells while isoform HK1-SB is present only in postmeiotic germ cells.
Protein type: Mitochondrial; Carbohydrate Metabolism - fructose and mannose; Kinase, other; Carbohydrate Metabolism - starch and sucrose; Carbohydrate Metabolism - glycolysis and gluconeogenesis; Carbohydrate Metabolism - galactose; EC 2.7.1.1; Carbohydrate Metabolism - amino sugar and nucleotide sugar
Research Articles on Hk1
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Product Notes
The Rat Hk1 hk1 (Catalog #AAA2881892) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA2881892 ELISA Kit recognizes Rat Hk1. It is sometimes possible for the material contained within the vial of "Hexokinase-1, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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