Side-by-Side Comparison · 2026

Chlorotoxin vs Melittin

Chlorotoxin vs Melittin — mechanism, half-life, dosing, and research status compared. Which is right for your protocol?

Chlorotoxin
Venom Peptide

Chlorotoxin is a 36-residue peptide toxin from the deathstalker scorpion (Leiurus quinquestriatus). Originally identified as a chloride channel blocker, it was discovered to bind selectively and with high affinity to glioma cells but not normal brain tissue, through interaction w...

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Melittin
Venom Peptide

Melittin is the primary cytolytic component of bee venom (Apis mellifera), comprising ~50% of dry venom weight. It is a 26-amino acid amphipathic, cationic peptide that forms an alpha-helix in membrane environments and disrupts lipid bilayers via a detergent-like mechanism....

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Key Parameters
Parameter Chlorotoxin Melittin
Category Venom Peptide Venom Peptide
Research Phase 2 Preclinical
Half-Life Hours (disulfide stabilized) < 30 min (plasma)
Typical Dose N/A Research only
Frequency N/A N/A
Route IV (imaging agent); Topical (research) IV, topical (research)
FDA Status Investigational (BLZ-100 Phase 2) No approval

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Frequently Asked Questions
What is the difference between Chlorotoxin and Melittin?
Chlorotoxin: Chlorotoxin is a 36-residue peptide toxin from the deathstalker scorpion (Leiurus quinquestriatus). Originally identified as a chloride channel blocker, it was discovered to bind selectively and with ... Melittin: Melittin is the primary cytolytic component of bee venom (Apis mellifera), comprising ~50% of dry venom weight. It is a 26-amino acid amphipathic, cationic peptide that forms an alpha-helix in membran...
Which has a longer half-life, Chlorotoxin or Melittin?
Chlorotoxin half-life: Hours (disulfide stabilized). Melittin half-life: < 30 min (plasma).
Can you stack Chlorotoxin and Melittin?
Chlorotoxin and Melittin are in the same category and used together in research protocols. Always consult relevant literature and follow appropriate guidelines.

For research use only. Not medical advice. ASCEND does not conduct or endorse any specific research protocol. Always consult relevant scientific literature and regulatory guidelines.