Compound
beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose
A trisaccharide that is lactose in which the hydroxy group at position 3 of the glucosyl moiety has undergone formal condensation with the anomeric hydroxy group of fucose (6-deoxy-L-galactose) to give the corresponding glycoside. Found in human milk.
Definition from ChEBI (CHEBI:90065), read 2026-09-23. CC BY 4.0.
CHEBI:90065ChEBI
Structure
- Class
- Organic compound
- Formula
- C18H32O15
- Mass
- 488.439 g/mol
- Charge
- 0
- InChIKey
- WJPIUUDKRHCAEL-YVEAQFMBSA-N
- SMILES
- C[C@@H]1O[C@@H](O[C@H]2[C@H](O[C@@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)[C@@H](CO)OC(O)[C@@H]2O)[C@@H](O)[C@H](O)[C@@H]1O
- Look it up
- ChEBIBy InChIKey
Identity from ChEBI. Not evidence.
What the reference databases state
Chemical structure
- beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose has the functional parent lactoseCompoundChEBI CHEBI:90065Inferred only
Reactions
1 reaction
lactose+GDP-beta-L-fucosebeta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose+GDP+hydron
Reaction pageLeft to rightBalanced
Rhea RHEA:62888CC BY 4.0Reference data
Other names
10 names
Resolves to: beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucose
- Also called
- (2S,3S,4R,5S,6S)-2-{[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-{[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxan-4-yl]oxy}-6-methyloxane-3,4,5-triol3-FL3-O-fucosyllactose6-deoxy-alpha-L-galacto-hexopyranosyl-(1->3)-[beta-D-galacto-hexopyranosyl-(1->4)]-D-gluco-hexopyranose6-deoxy-α-L-galacto-hexopyranosyl-(1→3)-[β-D-galacto-hexopyranosyl-(1→4)]-D-gluco-hexopyranoseO-6-deoxy-alpha-L-galactopyranosyl-(1->3)-O-[beta-D-galactopyranosyl-(1->4)]- D-glucoseO-6-deoxy-α-L-galactopyranosyl-(1→3)-O-[β-D-galactopyranosyl-(1→4)]- D-glucose
- Systematic name
- 6-deoxy-alpha-L-galactopyranosyl-(1->3)-[beta-D-galactopyranosyl-(1->4)]-D-glucopyranose6-deoxy-α-L-galactopyranosyl-(1→3)-[β-D-galactopyranosyl-(1→4)]-D-glucopyranoseFuc(a1-3)[Gal(b1-4)]Glc