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CompoundsSubstances with curated findings
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PathwaysReactions grouped under one name
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AnatomyTissues, by what is expressed there
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OrganismsSpecies a compound is prepared from
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AssessmentsRegulatory determinations, transcribed

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Catalyst

The evidence graph for human biochemistry. Every edge carries its source, its study design, and a grade computed from both.

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A reference for what the literature reports. Not medical advice.

© 2026 CatalystPrivacy TermsReference data under the licences listed on the attribution page.

Compound

an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative

CHEBI:146021ChEBI

Open in the graph

Structure

2D depiction

Class: Organic compound, anion
Formula: C25H40N2O19R
Mass: 672.588 g/mol
Charge: -1
SMILES: *OC1O[C@H](CO)[C@@H](O)[C@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[C@]3(C(=O)[O-])C[C@H](O)[C@@H](NC(C)=O)[C@]([H])([C@H](O)[C@H](O)CO)O3)[C@H]2O)[C@H]1NC(C)=O
Look it up: ChEBI

Identity from ChEBI. Not evidence.

What it touches on the way

Inferred

Not reported; assembled from reference reactions.

Mechanistic reach

2 entities

2 entities reached.

0 reported hops2 assembled from the scaffold

ST6GALNAC3ProteinUNIPROT:Q8NDV1substrate ofInferred only22 paths22 endpoints
ST6GALNAC4ProteinUNIPROT:Q9H4F1substrate ofInferred only22 paths22 endpoints

What the reference databases state

Statements

2 statements

2 statements · 1 reference database · Subject: an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative · Sources: Rhea

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an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative is a substrate of ST6GALNAC3ProteinRhea RHEA:53896Inferred only
an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative is a substrate of ST6GALNAC4ProteinRhea RHEA:53896Inferred only

Reactions

2 reactions

an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative+CMP-N-acetyl-beta-neuraminatean alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-D-GlcNAc derivative+CMP+hydron
Catalysed by ST6GALNAC3 or ST6GALNAC4
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:53896CC BY 4.0Reference data
an alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-D-GlcNAc derivative+GDP-beta-L-fucoseCHEBI:146022+GDP+hydron
Catalysed by FUT3 or FUT5
Reaction pageLeft to rightBalance undeterminable
Rhea RHEA:62904CC BY 4.0Reference data