Also named β-neurotoxins, presynaptic neurotoxins affect the neuromuscular transmission of skeletal muscles by blocking the release of the neurotransmitter acetylcholine and cause death by respiratory failure.
See also UniProtKB-keyword
Presynaptic neurotoxin
Venom protein entries in UniProtKB/Swiss-Prot
(all links/actions below point to uniprot.org website)311 entries grouped by species
3 entries
Acanthophis antarcticus (Common death adder)
7 entries
Agelena orientalis (Funnel-web spider)
14 entries
Agelenopsis aperta (North American funnel-web spider) (Agelenopsis gertschi)
1 entry
Agkistrodon piscivorus leucostoma (Western cottonmouth) (Acontias leucostoma)
1 entry
Allagelena opulenta (Funnel weaving spider) (Agelena opulenta)
1 entry
Ancylometes sp. (South American fishing spider)
1 entry
Anoplius samariensis (Solitary wasp)
1 entry
Apis mellifera (Honeybee)
1 entry
Batozonellus maculifrons (Solitary wasp)
1 entry
Bitis caudalis (Horned adder) (Horned viper)
1 entry
Boiga dendrophila (Mangrove snake) (Gold-ringed cat snake)
1 entry
Bothrops alternatus (Urutu) (Rhinocerophis alternatus)
1 entry
Bothrops bilineatus smaragdinus (Two-striped forest-pitviper)
3 entries
Bothrops marajoensis (Marajo lancehead)
2 entries
Bothrops pauloensis (Neuwied's lancehead) (Bothrops neuwiedi pauloensis)
5 entries
Bungarus caeruleus (Indian krait)
17 entries
Bungarus candidus (Malayan krait)
9 entries
Bungarus fasciatus (Banded krait) (Pseudoboa fasciata)
3 entries
Bungarus flaviceps flaviceps (Red-headed krait)
19 entries
Bungarus multicinctus (Many-banded krait)
1 entry
Californiconus californicus (California cone) (Conus californicus)
2 entries
Calliophis bivirgatus (Blue Malaysian coral snake) (Maticora bivirgata)
3 entries
Chilobrachys guangxiensis (Chinese earth tiger tarantula) (Chilobrachys jingzhao)
3 entries
Conus achatinus (Little frog cone)
2 entries
Conus ammiralis (Admiral cone)
2 entries
Conus arenatus (Sand-dusted cone)
1 entry
Conus aurisiacus (Aurisiacus cone)
2 entries
Conus bullatus (Bubble cone)
1 entry
Conus capitaneus (Captain cone)
5 entries
Conus catus (Cat cone)
6 entries
Conus consors (Singed cone)
1 entry
Conus ermineus (Agate cone) (Chelyconus ermineus)
1 entry
Conus fulmen (Thunderbolt cone) (Chelyconus fulmen)
2 entries
Conus geographus (Geography cone) (Nubecula geographus)
2 entries
Conus imperialis (Imperial cone)
8 entries
Conus magus (Magical cone)
1 entry
Conus marmoreus (Marble cone)
2 entries
Conus pennaceus (Feathered cone) (Conus episcopus)
2 entries
Conus pulicarius (Flea-bitten cone)
1 entry
Conus radiatus (Rayed cone)
1 entry
Conus stercusmuscarum (Fly-specked cone)
16 entries
Conus striatus (Striated cone)
17 entries
Conus textile (Cloth-of-gold cone)
1 entry
Conus tulipa (Fish-hunting cone snail) (Tulip cone)
2 entries
Conus ventricosus (Mediterranean cone)
1 entry
Conus victoriae (Queen Victoria cone)
1 entry
Crotalus basiliscus (Mexican west-coast rattlesnake)
1 entry
Crotalus durissus collilineatus (Brazilian rattlesnake)
3 entries
Crotalus durissus cumanensis (South American rattlesnake)
1 entry
Crotalus durissus ruruima (South American rattlesnake) (Mt. Roraima rattlesnake)
5 entries
Crotalus durissus terrificus (South American rattlesnake)
1 entry
Crotalus horridus (Timber rattlesnake)
1 entry
Crotalus mitchellii mitchellii (San Lucan speckled rattlesnake)
2 entries
Crotalus scutulatus scutulatus (Mojave rattlesnake)
1 entry
Crotalus tzabcan (Yucatan neotropical rattlesnake) (Crotalus simus tzabcan)
1 entry
Crotalus vegrandis (Uracoan rattlesnake) (Crotalus durissus vegrandis)
37 entries
Cyriopagopus hainanus (Chinese bird spider) (Haplopelma hainanum)
2 entries
Cyriopagopus schmidti (Chinese bird spider) (Haplopelma schmidti)
1 entry
Daboia russelii (Russel's viper) (Vipera russelii)
5 entries
Daboia siamensis (Eastern Russel's viper) (Daboia russelii siamensis)
1 entry
Deinagkistrodon acutus (Hundred-pace snake) (Agkistrodon acutus)
1 entry
Dendroaspis jamesoni kaimosae (Eastern Jameson's mamba)
3 entries
Diguetia canities (Desert bush spider) (Segestria canities)
1 entry
Gloydius blomhoffii (Mamushi) (Agkistrodon halys blomhoffi)
2 entries
Gloydius halys (Chinese water mocassin) (Agkistrodon halys)
1 entry
Gloydius intermedius (Central Asian pit viper) (Agkistrodon intermedius)
1 entry
Glycera tridactyla (Glycerine worm) (Glycera convoluta)
2 entries
Hydrophis hardwickii (Hardwick's spine-bellied seasnake) (Lapemis hardwickii)
1 entry
Hydrophis schistosus (Beaked sea snake) (Enhydrina schistosa)
1 entry
Lachesis muta muta (Bushmaster)
5 entries
Laticauda colubrina (Yellow-lipped sea krait) (Banded sea krait)
1 entry
Latrodectus geometricus (Brown widow spider)
3 entries
Latrodectus hasselti (Redback spider)
2 entries
Latrodectus hesperus (Western black widow spider)
1 entry
Latrodectus mactans (Black widow spider) (Aranea mactans)
1 entry
Latrodectus pallidus (White widow spider)
4 entries
Latrodectus tredecimguttatus (Mediterranean black widow spider) (Latrodectus mactans tredecimguttatus)
3 entries
Micrurus nigrocinctus (Central American coral snake) (Gargantilla)
1 entry
Micrurus pyrrhocryptus (Coral snake)
2 entries
Notechis scutatus scutatus (Mainland tiger snake) (Common tiger snake)
1 entry
Oxyuranus microlepidotus (Inland taipan) (Diemenia microlepidota)
1 entry
Oxyuranus scutellatus canni (Papuan taipan)
2 entries
Oxyuranus scutellatus scutellatus (Australian taipan) (Coastal taipan)
1 entry
Paraponera clavata (Bullet ant) (Izuela)
2 entries
Plectreurys tristis (Spider) (Plectreurys bispinosus)
1 entry
Protobothrops flavoviridis (Habu) (Trimeresurus flavoviridis)
1 entry
Protobothrops mangshanensis (Mangshan pitviper) (Zhaoermia mangshanensis)
1 entry
Protobothrops mucrosquamatus (Taiwan habu) (Trimeresurus mucrosquamatus)
1 entry
Protobothrops tokarensis (Tokara habu) (Trimeresurus tokarensis)
3 entries
Pseudocerastes fieldi (Field's horned viper) (Pseudocerastes persicus fieldi)
4 entries
Pseudonaja textilis (Eastern brown snake)
3 entries
Sistrurus tergeminus (Western massasauga) (Sistrurus catenatus tergeminus)
1 entry
Steatoda grossa (False black widow)
1 entry
Tibellus oblongus (Oblong running crab spider)
1 entry
Vespa orientalis (Oriental hornet)
4 entries
Vipera ammodytes ammodytes (Western sand viper)
1 entry
Vipera aspis aspis (Aspic viper)
1 entry
Vipera aspis zinnikeri (Viper)
3 entries
Vipera nikolskii (Nikolsky's adder) (Vipera berus nikolskii)
1 entry