Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Omega-conotoxins act at presynaptic membranes, they bind and block voltage-gated calcium channels (Cav).
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Conus geographus (Geography cone) (Nubecula geographus)
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-conotoxins GVIIA/GVIIB (SNX-178) (Shaker peptides GVIIA/GVIIB)
cone snail
Evidence at protein level
Calcium channel impairing toxin
Direct protein sequencing
Disulfide bond
Hydroxylation
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:4071055}.