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Glucose 6-phosphatase-β is a ubiquitously expressed, 346-amino acid membrane protein that shares 36% sequence identity with glucose 6-phosphatase-α. Within the glucose 6-phosphatase-β enzyme, sequence alignments predict that its active site contains His167, His114, and Arg79.
This reaction converts glucose 6-phosphate to fructose 6-phosphate in preparation for phosphorylation to fructose 1,6-bisphosphate. [2] The addition of the second phosphoryl group to produce fructose 1,6-bisphosphate is an irreversible step, and so is used to irreversibly target the glucose 6-phosphate breakdown to provide energy for ATP ...
Glucose-6-phosphatase, catalytic subunit (glucose 6-phosphatase alpha) is an enzyme that in humans is encoded by the G6PC gene. [5] [6]Glucose-6-phosphatase is an integral membrane protein of the endoplasmic reticulum that catalyzes the hydrolysis of D-glucose 6-phosphate to D-glucose and orthophosphate.
Glucose-6-phosphate dehydrogenase (G6PD) is an enzyme in the pentose phosphate pathway (see image, also known as the HMP shunt pathway). G6PD converts glucose-6-phosphate into 6-phosphoglucono-δ-lactone and is the rate-limiting enzyme of this metabolic pathway that supplies reducing energy to cells by maintaining the level of the reduced form ...
Glucose-6-phosphate translocase is a transmembrane protein providing a selective channel between the endoplasmic reticulum lumen and the cytosol.The enzyme is made up of three separate transporting subunits referred to as G6PT1 (subunit 1), G6PT2 (subunit 2) and G6PT3 (subunit 3).
Glucose-6-phosphatase is an enzyme located on the inner membrane of the endoplasmic reticulum. The catalytic unit is associated with a calcium binding protein, and three transport proteins (T1, T2, T3) that facilitate movement of glucose-6-phosphate (G6P), phosphate, and glucose (respectively) into and out of the enzyme.
Pentose phosphate pathway, which begins with the dehydrogenation of glucose-6-phosphate, the first intermediate to be produced by glycolysis, produces various pentose sugars, and NADPH for the synthesis of fatty acids and cholesterol. Glycogen synthesis also starts with glucose-6-phosphate at the beginning of the glycolytic pathway.
Glucose-6-phosphatase 3, also known as glucose-6-phosphatase beta, is an enzyme that in humans is encoded by the G6PC3 gene. [5] [6] [7] Function.