Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Omega-conotoxins act at presynaptic membranes, they bind and block voltage-gated calcium channels (Cav). {ECO:0000269|PubMed:2441741}.
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Conus magus (Magical cone)
Neurotoxin
Presynaptic neurotoxin
Calcium channel impairing toxin
Ion channel impairing toxin
Voltage-gated calcium channel impairing toxin
Omega-conotoxins act at presynaptic membranes, they bind and block voltage-gated calcium channels (Cav)..
Omega-conotoxin MVIIB (SNX-159)
cone snail
Conotoxin O1 superfamily
Evidence at protein level
Amidation
Calcium channel impairing toxin
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Knottin
Neurotoxin
Presynaptic neurotoxin
Secreted
Toxin
Voltage-gated calcium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom duct. {ECO:0000305|PubMed:2441741}.