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Glucose 1-phosphate

Names
IUPAC name Glucose 1-phosphate
Identifiers
CAS Number	59-56-3
3D model (JSmol)	Interactive image
ChEBI	CHEBI:16077
ChemSpider	388311
ECHA InfoCard	100.000.396
MeSH	glucose-1-phosphate
PubChem CID	65533
CompTox Dashboard (EPA)	DTXSID90889321
InChI InChI=1S/C6H13O9P/c7-1-2-3(8)4(9)5(10)6(14-2)15-16(11,12)13/h2-10H,1H2,(H2,11,12,13)/t2-,3-,4+,5-,6?/m1/s1Key: HXXFSFRBOHSIMQ-GASJEMHNSA-N InChI=1/C6H13O9P/c7-1-2-3(8)4(9)5(10)6(14-2)15-16(11,12)13/h2-10H,1H2,(H2,11,12,13)/t2-,3-,4+,5-,6?/m1/s1Key: HXXFSFRBOHSIMQ-GASJEMHNBR
SMILES O=P(O)(OC1O((O)(O)1O)CO)O
Properties
Chemical formula	C6H13O9P
Molar mass	260.136
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

Glucose 1-phosphate (also called cori ester) is a glucose molecule with a phosphate group on the 1'-carbon.

Reactions

Catabolic

In glycogenolysis, it is the direct product of the reaction in which glycogen phosphorylase cleaves off a molecule of glucose from a greater glycogen structure.

To be utilized in cellular catabolism it must first be converted to glucose 6-phosphate by the enzyme phosphoglucomutase. One reason that cells form glucose 1-phosphate instead of glucose during glycogen breakdown is that the very polar phosphorylated glucose cannot leave the cell membrane and so is marked for intracellular catabolism.

Anabolic

In glycogenesis, free glucose 1-phosphate can also react with UTP to form UDP-glucose, by using the enzyme UDP-glucose pyrophosphorylase. It can then return to the greater glycogen structure via glycogen synthase.

See also

• Pentose phosphate pathway

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