tetrodotoxin (ttx) pufferfish neurotoxin molecule. atoms are represented as spheres with conventional color coding: hydrogen (

acid atomic atoms bacteria bond carbon channel chemical chemistry composition compound formula fugu hydrogen model molecular molecule nerve neurotoxin newt nitrogen oxygen pseudoalteromonas pseudomonas puffer pufferfish sodium structure tetraodonis tetrodonic tetrodotoxin tetrodotoxine toxin triggerfish ttx venom vibrio