Conantokin-G vs Mambalgin-1

Head-to-head comparison of Conantokin-G (Conantokin-G from Conus geographus venom) and Mambalgin-1 (Mambalgin-1 from Dendroaspis polylepis venom) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyConantokin-GMambalgin-1
CategoryExperimentalExperimental
Full NameConantokin-G from Conus geographus venomMambalgin-1 from Dendroaspis polylepis venom
Molecular Weight2,150 Da6,300 Da
Half-LifeMinutes to hoursMinutes to hours
Amino Acids1757
Typical Dose0.1-10 nmol intrathecal|10-1000 nM in vitro|single-dose rodent studies0.1-1 nmol intrathecal|10-100 nM in vitro|single-dose rodent studies
RouteIntrathecalIntrathecal
Purity≥98%≥98%
Studies Count9555
Research StatusPre-clinicalPre-clinical

Conantokin-G Benefits

  • NMDA receptor antagonism
  • seizure-model research
  • excitatory neurotransmission mapping
  • pain-mechanism studies

Mambalgin-1 Benefits

  • ASIC channel inhibition
  • non-opioid analgesia research
  • sensory-neuron physiology
  • lead optimization for pain therapeutics

Conantokin-G Dosing

Intrathecal administration in seizure/pain models|NMDA receptor assays|In vitro excitation studies

Mambalgin-1 Dosing

Intrathecal pain-behavior studies|ASIC1a/ASIC1b electrophysiology|Acute dosing in rodents

Conantokin-G Side Effects

  • Sedation or dizziness in animals
  • motor effects at high exposure
  • off-target NMDA modulation

Mambalgin-1 Side Effects

  • Hypoactivity at high dose
  • off-target ASIC blockade
  • local irritation

Research Overview

Conantokin-G

Research has shown conantokin-G can suppress NMDA-mediated responses in a sequence- and modification-dependent manner. It remains a classic marine peptide tool for probing glutamatergic signaling and analgesia-related pathways.

Mambalgin-1

Pre-clinical work shows mambalgin-1 can reduce pain behaviors by modulating proton-gated ion channels in peripheral and central pathways. It has become an important template for developing ASIC-targeted analgesics.

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Common Stacking Partners

Conantokin-G stacks with:

ketaminememantinelamotrigine

Mambalgin-1 stacks with:

gabapentinbaclofenlidocaine
cone-snailvenom-peptidenmda-antagonistneurosciencesnake-venomthree-finger-toxinasic-blockerpain-research