Compound

N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose

The conjugate base of α-N-acetylneuraminosyl-(2→3)-β-D-galactosyl-(1→4)-D-glucose arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.

Definition from ChEBI (CHEBI:156068), read 2026-09-23. CC BY 4.0.

CHEBI:156068ChEBI

Open in the graph

Structure

2D depiction · 3D model shown

Loading the model…

A generated conformer of N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Organic compound, anion
Formula: C23H38NO19
Mass: 632.545 g/mol
Charge: -1
InChIKey: CILYIEBUXJIHCO-METZQCMUSA-M
SMILES: [H][C@@]1([C@H](O)[C@H](O)CO)O[C@@](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]3[C@H](O)[C@@H](O)C(O)O[C@@H]3CO)[C@@H]2O)(C(=O)[O-])C[C@H](O)[C@H]1NC(C)=O
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

NEU2ProteinUNIPROT:Q9Y3R4substrate ofInferred only14 paths14 endpoints

What the reference databases state

Statements

1 statement

1 statement · 1 reference database · Subject: N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose · Sources: Rhea

Order

N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose is a substrate of NEU2ProteinRhea RHEA:64640Inferred only

Reactions

4 reactions

N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+waterlactose+N-acetylneuraminate
Catalysed by NEU2
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:64640CC BY 4.0Reference data
a ganglioside GM3+waterN-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+an N-acyl-sphingoid base
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:65540CC BY 4.0Reference data
lactose+CMP-N-acetyl-beta-neuraminateN-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+CMP+hydron
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:86443CC BY 4.0Reference data
a ganglioside GM3 (d18:1(4E))+waterN-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose+an N-acylsphing-4-enine
Reaction pageDirection not assertedBalance undeterminable
Rhea RHEA:86911CC BY 4.0Reference data

Other names

2 names

Resolves to: N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose

Also called: alpha-NeuAc-(2->3)-beta-D-Gal-(1->4)-D-Glc(1-)α-NeuAc-(2→3)-β-D-Gal-(1→4)-D-Glc(1−)