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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2008-08-11 15:24:28 UTC
Update Date2021-09-14 15:44:40 UTC
HMDB IDHMDB0006789
Secondary Accession Numbers
  • HMDB06789
Metabolite Identification
Common NameLactose 6-phosphate
DescriptionLactose 6-phosphate belongs to the class of organic compounds known as disaccharide phosphates. These are disaccharides carrying one or more phosphate group on a sugar unit. A lactose phosphate in which a single monophosphate substituent is placed at position 6 on the galactose ring of lactose. Lactose 6-phosphate is an extremely weak basic (essentially neutral) compound (based on its pKa). Lactose 6-phosphate exists in all living organisms, ranging from bacteria to humans.
Structure
Thumb
Synonyms
ValueSource
4-O-(6-O-Phosphono-beta-D-galactopyranosyl)-D-glucopyranoseChEBI
4-O-(6-O-Phosphono-b-D-galactopyranosyl)-D-glucopyranoseGenerator
4-O-(6-O-Phosphono-β-D-galactopyranosyl)-D-glucopyranoseGenerator
Lactose 6-phosphoric acidGenerator
Lactose 6'-phosphateHMDB
Lactose 6'-phosphoric acidHMDB
Lactose 6-phosphateChEBI
Chemical FormulaC12H23O14P
Average Molecular Weight422.2764
Monoisotopic Molecular Weight422.082541956
IUPAC Name{[(2R,3R,4S,5R,6S)-3,4,5-trihydroxy-6-{[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxan-2-yl]methoxy}phosphonic acid
Traditional Namelactose 6-phosphate
CAS Registry NumberNot Available
SMILES
OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O[C@@H]1O[C@H](COP(O)(O)=O)[C@H](O)[C@H](O)[C@H]1O
InChI Identifier
InChI=1S/C12H23O14P/c13-1-3-10(7(16)8(17)11(19)24-3)26-12-9(18)6(15)5(14)4(25-12)2-23-27(20,21)22/h3-19H,1-2H2,(H2,20,21,22)/t3-,4-,5+,6+,7-,8-,9-,10-,11?,12+/m1/s1
InChI KeyITPHOIFCAFNCLL-QKKXKWKRSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as disaccharide phosphates. These are disaccharides carrying one or more phosphate group on a sugar unit.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbohydrates and carbohydrate conjugates
Direct ParentDisaccharide phosphates
Alternative Parents
Substituents
  • Disaccharide phosphate
  • Glycosyl compound
  • O-glycosyl compound
  • Monoalkyl phosphate
  • Organic phosphoric acid derivative
  • Oxane
  • Phosphoric acid ester
  • Alkyl phosphate
  • Hemiacetal
  • Secondary alcohol
  • Polyol
  • Acetal
  • Oxacycle
  • Organoheterocyclic compound
  • Alcohol
  • Hydrocarbon derivative
  • Primary alcohol
  • Organic oxide
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB024078
KNApSAcK IDNot Available
Chemspider ID389535
KEGG Compound IDC05396
BioCyc IDCPD-15973
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound440654
PDB IDNot Available
ChEBI ID28339
Food Biomarker OntologyNot Available
VMH IDLAC6P
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available

Enzymes

General function:
Involved in hydrolase activity, hydrolyzing O-glycosyl compounds
Specific function:
LPH splits lactose in the small intestine.
Gene Name:
LCT
Uniprot ID:
P09848
Molecular weight:
218584.77
General function:
Involved in hydrolase activity, hydrolyzing O-glycosyl compounds
Specific function:
Cleaves beta-linked terminal galactosyl residues from gangliosides, glycoproteins, and glycosaminoglycans. Isoform 2 has no beta-galactosidase catalytic activity, but plays functional roles in the formation of extracellular elastic fibers (elastogenesis) and in the development of connective tissue. Seems to be identical to the elastin-binding protein (EBP), a major component of the non-integrin cell surface receptor expressed on fibroblasts, smooth muscle cells, chondroblasts, leukocytes, and certain cancer cell types. In elastin producing cells, associates with tropoelastin intracellularly and functions as a recycling molecular chaperone which facilitates the secretions of tropoelastin and its assembly into elastic fibers.
Gene Name:
GLB1
Uniprot ID:
P16278
Molecular weight:
Not Available