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P21 (Adamantane)

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P21 (Adamantane) is a synthetic peptide conjugated to an adamantane molety. designed to cross the blood-brain barrier. It is extensively studied in research models for its potential role in neuroprotection, cognitive support, and cellular resilience.

It is widely used in studies exploring neurodegenerative models, memory, learning, and neuronal health.

P21 is a promising neuroprotective peptide in research valued for its ability to support neuronal integrity, reduce oxidative stress, and promote cognitive function.

P21 (Adamantane) is a research peptide used in RUO signal-transduction and plasticity models to study receptor-proximal messaging, downstream transcription, and neurotrophic pathway readouts. Adamantane labeling is commonly used in RUO variants to support membrane interaction modeling. Not intended for diagnostic or therapeutic use.

  • Receptor-proximal signal initiation and kinetics
  • Transcriptional responses linked to plasticity
  • Comparisons vs. non-adamantane/literature parent analogs

P21 (Adamantane) | Signal Transduction Pathways

Name P21 (Adamantane)
Synonyms P021, P-021; literature parent: Ac-DGGLAG-NH2
Sequence DGGL-adamantane-G (adamantane-labeled analog); literature parent: Ac-DGGLAG-NH2
Molecular Formula C30H54N6O5 (adamantane-labeled analog)
Molecular Weight 578.3 g/mol (adamantane-labeled analog)
CAS Number 1394011-91-6 (adamantane-labeled analog)
Appearance White to off-white lyophilized powder
Solubility Soluble in sterile or bacteriostatic water
Purity ≥99% (HPLC), lot-specific
Storage Guidelines • Lyophilized: ≤0°F (–18°C), dry, protected from light
• Reconstituted: 36–46°F (2–8°C); avoid repeat freeze–thaw
• Long-Term: Keep dry and frozen until use


Ellixon Bio Quality Advantage
  • Purity & Identity: ≥99% | HPLC & MS validated
  • Endotoxin & Sterility: <0.05 EU/mg | Third-party verified
  • Stability & Process: Controlled nucleation lyophilization | Stability-focused procedures
  • Formulation & QA: PhD-Formulated | GMP / ISO-Aligned manufacturing
  • Packaging: Luxe Fridge-Ready Box

Category Overview | Signal Transduction Pathways

Signal transduction peptides are used in RUO studies to explore how cells send and receive messages. These signals help control how cells grow, repair themselves, and respond to stress. Researchers use these peptides in lab models to better understand how communication inside cells works—and what happens when it doesn’t.

Exciting Areas of Study

  • How cellular signals initiate chain reactions in lab models.
  • Peptide effects on messaging pathways like MAPK & PI3K.
  • How cells respond to stress in lab models.
  • Model disrupted signaling seen in pre-clinical disease research.
  • Map how cell signals change under different conditions

P21 (Adamantane) | Research Modeling & Applications
  • Assess receptor-proximal signaling and transcriptional programs
  • Compare adamantane-labeled vs. parent analog kinetics and stability
  • Benchmark plasticity-linked readouts vs. baseline controls

Research Use Disclaimer

This product is supplied for laboratory research use only (RUO) and is intended solely for qualified professionals in a controlled research setting. It is not a drug, food, dietary supplement, cosmetic, or medical device, and is not intended for human or veterinary use or for any diagnostic, therapeutic, or clinical application. It is not for household use.

No statement on this page has been evaluated by the U.S. Food and Drug Administration. Nothing herein is intended to diagnose, treat, cure, or prevent any disease, nor to suggest any dosage, route, or method of administration. Ellixon Bio makes no representation or warranty, express or implied, regarding fitness for any purpose other than research and provides no medical or professional advice. The purchaser and end user assume full responsibility for safe handling, storage, and use in accordance with all applicable laws, regulations, and institutional safety protocols, and accept all associated risk and liability.

See our Terms & Conditions and our Research Compliance Disclaimers for complete terms.

Lot numberStrengthAnalysis dateTestingCertificate
EBL-P21A-5-0726-0128-10015 MGAugust 22, 2026Purity & Net Peptide TestingView PDF
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