Reference data and database search

Conjugated Metabolome Explorer

Search public LC-MS/MS evidence for potential conjugated forms of a molecule supplied as a SMILES structure.

LC-MSWeb applicationFree web service

Overview

Conjugated Metabolome Explorer combines spectral matches and mass-shift relationships to investigate possible metabolite conjugations. Results distinguish spectral evidence from components inferred by a mass difference and link to supporting spectra.

What can this tool do?

Repository-scale spectral searchInteractive dashboard

Common uses

  • Explore candidate conjugations starting from a known structure.
  • Inspect spectral support for recurrent mass shifts in public data.

Scientific fit

Primary function

Reference data and database search

Data compatibility

Inputs

Molecular structures

Outputs

Compound list or annotations, Human-readable report

Input formats

SMILES string and minimum occurrence-frequency setting

Output formats

Interactive conjugation table, mass-shift plots and spectral links

Scope and considerations

Designed for

  • Structure-led exploration of potential conjugated metabolites in public LC-MS/MS data.

Not designed for

  • Confirming a conjugation site, reaction pathway or enzyme from a mass shift alone.

Important requirements

  • A valid SMILES structure and a selected minimum occurrence frequency.

Considerations

  • A delta-mass inference has different support from a direct spectral match.
  • Occurrence counts reflect repository sampling and should not be treated as quantitative biological prevalence.
  • Inspect the linked spectra before promoting a proposed conjugate into an identification.

Access and documentation

The documentation states that the public app requires no login or registration. Publicly hosted MetaboApp. GNPS2 infrastructure is open to the academic community; its documentation directs industry users to the maintainers or UCR Technology Transfer. Hosted access does not establish a software or reference-data license.

Evidence and review

Reviewed against the linked official app documentation on 2026-09-10. No standalone publication for this particular app was verified; the documentation citation identifies the reviewed implementation. Underlying method and application papers are not presented as dedicated app papers. No analysis job or independent benchmark was run; no developer verification is claimed.

No dedicated scholarly publication is listed. Follow the official documentation and resource-specific citation guidance.

Software and documentation citations

  • GNPS2 Documentation. Conjugated Metabolome Explorer. Accessed 10 September 2026. Documentation

Related tools

Entry history

Changes to this catalogue entry, not the tool's software release history. Acceptance and editorial review are separate.

  1. 2026-09-10 · First committed entry

    Add conjugate explorer and reconcile GNPS2 population checklist

    View change · Entry at this revision

Full GitHub history