Compound

beta-D-galactose

A D-galactopyranose having β configuration at the anomeric centre.

Definition from ChEBI (CHEBI:27667), read 2026-09-23. CC BY 4.0.

CHEBI:27667ChEBI

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Structure

2D depiction · 3D model shown

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A generated conformer of beta-D-galactose — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Organic compound
Formula: C6H12O6
Mass: 180.156 g/mol
Charge: 0
InChIKey: WQZGKKKJIJFFOK-FPRJBGLDSA-N
SMILES: OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

What it touches on the way

Mechanistic reach

1 entity

1 entities reached.

0 reported hops1 assembled from the scaffold

GALMProteinUNIPROT:Q96C23substrate ofInferred only8 paths8 endpoints

What the reference databases state

Chemical structure

a beta-D-galactoside has the functional parent beta-D-galactoseCompoundChEBI CHEBI:28034Inferred only

Statements

4 statements

4 statements · 2 reference databases · Subject: beta-D-galactose · Sources: Human-GEM, Rhea

Order

beta-D-galactose is converted to alpha-D-galactoseCompoundRhea RHEA:28675Inferred only
alpha-D-galactose is converted to beta-D-galactoseCompoundHuman-GEM MAR20033Inferred only
alpha-D-galactose is converted to beta-D-galactoseCompoundHuman-GEM MAR20034Inferred only
beta-D-galactose is a substrate of GALMProteinRhea RHEA:28675Inferred only

Reactions

8 reactions

alpha-D-galactosebeta-D-galactose
Catalysed by GALM
Reaction pageLeft to rightBalancedEC 5.1.3.3nucleus
Human-GEM MAR20033CC BY 4.0Reference data
alpha-D-galactosebeta-D-galactose
Catalysed by GALM
Reaction pageLeft to rightBalancedEC 5.1.3.3cytosol
Human-GEM MAR20034CC BY 4.0Reference data
lactose+waterbeta-D-galactose+D-glucose
Catalysed by LCT
Reaction pageLeft to rightBalanced
Rhea RHEA:10076CC BY 4.0Reference data
CHEBI:36218+waterbeta-D-galactose+beta-D-glucose
Reaction pageDirection not assertedBalanced
Rhea RHEA:28659CC BY 4.0Reference data
alpha-D-galactosebeta-D-galactose
Catalysed by GALM
Reaction pageRight to leftBalanced
Rhea RHEA:28675CC BY 4.0Reference data
beta-D-galactose+ATP(4-)+waterbeta-D-galactose+ADP(3-)+hydrogenphosphate+hydron
Reaction pageDirection not assertedBalanced
Rhea RHEA:30011CC BY 4.0Reference data
beta-D-galactosyl-(1<->1')-N-hexadecanoylsphing-4-enine+waterbeta-D-galactose+N-hexadecanoylsphing-4-enine
Catalysed by LCT
Reaction pageLeft to rightBalanced
Rhea RHEA:69703CC BY 4.0Reference data
beta-D-galactosyl-(1<->1')-N-hexadecanoylsphinganine+waterbeta-D-galactose+N-hexadecanoylsphinganine
Catalysed by LCT
Reaction pageLeft to rightBalanced
Rhea RHEA:69707CC BY 4.0Reference data

Other names

6 names

Resolves to: beta-D-galactose

Also called: beta-D-GalGal-betaGal-ββ-D-Gal
Systematic name: beta-D-galactopyranoseβ-D-galactopyranose