Public educational draft · 04 November 2026Clinical review pending →
AXON Semaglutide research card. Verified numbered backbone and locus-specific modification map. Original evidence diagrams show source-specific findings and limits.

Visual summary only. The research findings, limitations and references accompany the card on this page.

Verified numbered backbone and locus-specific modification map. Sequence transcribed from specified verified source dossier. Linker blocks show identity and ordering, not atomic bonding geometry. Standard chiral amino acids are L; Gly and Aib are achiral. Biological settings and research diagrams are illustrations, not measured anatomy or clinical outcomes.

Read the research ↓ · View all references ↓

Metabolic / incretin

Semaglutide

GLP-1 receptor

Semaglutide reference parent, not sodium/acetate salt
Backbone
31 residues
Modification
Lys20 lipidation · C18 diacid
Terminus
Gly31 carboxylic acid

Research snapshot

Semaglutide is a modified GLP-1 analogue designed for sustained receptor activation. Its peptide substitutions and lipid side chain alter degradation and albumin binding; clinical findings concern specific pharmaceutical formulations.

Randomized human trials

Identity & representation

Literature reference molecule. Catalog naming is not analytical confirmation of AXON contents, salt, purity or formulation. GLP-1 numbering: Aib8, Arg34; Lys26 side-chain lipidation through two OEG spacers and γGlu to a C18 diacid. Aib is achiral.

Educational reference only. Not a dosing guide, treatment recommendation or product endorsement.

Verified numbered backbone and locus-specific modification map.[4][1]

Sources checked: 2026-11-06. Identity and evidence limits are stated above. Independent specialist review is pending.

ClassLipidated 31-residue peptide

Target / pathwayGLP-1 receptor

Selected evidenceRandomized human trials

ScopeResearch summary; not a product or treatment assessment

What researchers study

Semaglutide is a modified GLP-1 analogue designed for sustained receptor activation. Its peptide substitutions and lipid side chain alter degradation and albumin binding; clinical findings concern specific pharmaceutical formulations.

  • GLP-1 receptor pharmacology and structure–activity relationships

  • Albumin binding and resistance to enzymatic degradation

  • Controlled studies of glycemic and body-weight outcomes

Mechanism in context

  1. Engages GLP-1 receptors
  2. Changes glucose-dependent endocrine signaling and appetite regulation
  3. Clinical trials measure glycemia, body weight and safety

Receptor activity explains biological plausibility, not the quality or suitability of an unverified research preparation.

Simplified publication-grounded schematic, not a solved protein structure or proof of clinical benefit.

Selected evidence

Selected human evidence is summarized above; this is not an exhaustive clinical or regulatory review.

Once-Weekly Semaglutide in Adults with Overweight or Obesity.[2]

Phase 3 randomized double-blind placebo-controlled trial · Adults with overweight or obesity without diabetes · 68 weeks · Reported n: 1961

Observed: Mean weight change was −14.9% with semaglutide and −2.4% with placebo, both alongside lifestyle intervention.

Limit: The study does not establish equivalence of research material; gastrointestinal adverse events caused more discontinuations.

Reference identity in detail

Sequences and form distinctions describe the cited reference substance, not a verified supplier preparation.

Read the sequence and form notes
Sequence
H-(Aib)-EGTFTSDVSSYLEGQAAK[acyl]-EFIAWLVRGRG-OH
Sequence notes
GLP-1 numbering: Aib8, Arg34; Lys26 side-chain lipidation through two OEG spacers and γGlu to a C18 diacid. Aib is achiral.
Molecular formula
C187H291N45O59
Molecular weight (g/mol)
4113.58
Rejected record notes
  • Downloaded PubChem56843331 matches expected formula and tautomer-insensitive connectivity but failed chirality-aware matching against independently reconstructed reference chemistry. Do not render this candidate SDF. Use official FDA-label structure or verified sequence/modification schematic until resolved.

Safety & evidence limits

  • Trial outcomes apply to the studied population, formulation and clinical oversight, not automatically to a catalog vial.

  • Clinical labeling includes pancreatitis and severe gastrointestinal warnings, plus a rodent thyroid-tumor warning; this card is not a complete safety assessment.

  • Identity, purity, salt form and formulation cannot be established from a product name or a molecular diagram.

Practical identity notes

  • GLP-1 numbering: Aib8, Arg34; Lys26 side-chain lipidation through two OEG spacers and γGlu to a C18 diacid. Aib is achiral.
  • Formula and mass apply only to the named reference form, excluding unspecified counterions, solvent and water.
  • Educational molecular reference • Selected studies, not a systematic review • No dosing guidance

The 10-second takeaway

A precisely engineered GLP-1 analogue with substantial human trial evidence; that evidence does not validate research-product quality.

What the visual panels show

Original diagrams summarize the cited research or documented evidence search. They are not copied publication figures or claims of treatment benefit.

  • GLP-1 RECEPTOR SIGNALING[4]

    Publication-grounded mechanism schematic · Original publication-grounded diagram

    Activates GLP-1 receptors · Glucose-dependent endocrine signaling · Appetite regulation and food intake

    Interpretation: Approved formulation evidence does not certify research material.

  • Sequence + lipidation[1]

    MOLECULAR DESIGN · Original publication-grounded diagram

    Lipid side chain supports albumin binding

    Reference architecture; no inferred 3D fold.

    Interpretation: Do not portray the incorrect candidate PubChem graph.

  • 1,961 adults · 68 weeks[2]

    HUMAN RCT · STEP 1 · Original publication-grounded diagram

    Weight change: −14.9% vs −2.4%

    Without diabetes; both groups received lifestyle support.

    Interpretation: Percent body-weight changes, not kilograms. Selected studied formulation and population.

  • Gastrointestinal effects[2][4]

    TRIAL SAFETY · Original publication-grounded diagram

    More discontinuations due to GI events

    Selected trial findings, not a complete safety review.

    Interpretation: No implication of suitability, dosing or research product equivalence.

Follow the evidence

Sources & what they support

  1. Discovery of the Once-Weekly Glucagon-Like Peptide-1 (GLP-1) Analogue Semaglutide.

    J Med Chem · 2015 · PMID: 26308095 · DOI: 10.1021/acs.jmedchem.5b00726

    Supports: Peptide substitutions, Lys26 derivatization and albumin-binding design

  2. Once-Weekly Semaglutide in Adults with Overweight or Obesity.

    N Engl J Med · 2021 · PMID: 33567185 · DOI: 10.1056/NEJMoa2032183

    Supports: STEP 1 trial design, weight outcome and gastrointestinal events

  3. PubChem CID 56843331

    Supports: Candidate record examined and withheld after an independent stereochemical mismatch; not used for the displayed sequence/modification schematic.

  4. Ozempic US prescribing information, Description and Clinical Pharmacology

    Supports: Reference sequence/structural formula, GLP-1 receptor mechanism, formula and 4113.58 g/mol mass; major clinical safety warnings

Source-linked educational drafts. Scientific and clinical review is pending. These cards describe molecules and study context, not product quality, approval or treatment recommendations.

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