Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Weak blocker of vertebrate P/Q-, N- and L-type voltage-gated calcium channels (Cav1 and Cav2) (By similarity). Is both paralytic and lethal when injected into lepidopteran larvae. Is not toxic to mice. {ECO:0000250, ECO:0000269|PubMed:11976325}.
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Oxyopes takobius (Lynx spider) (Oxyopes foliiformis)
Neurotoxin
Calcium channel impairing toxin
Ion channel impairing toxin
Voltage-gated calcium channel impairing toxin
Weak blocker of vertebrate P/Q-, N- and L-type voltage-gated calcium channels (Cav1 and Cav2) (By similarity). Is both paralytic and lethal when injected into lepidopteran larvae.
Omega-oxotoxin-Ot1a (Omega-OXTX-Ot1a) (Oxytoxin-1) (OxyTx1) (Tx-1)
spider
Spiderine family, Spiderine subfamily
Evidence at protein level
Calcium channel impairing toxin
Direct protein sequencing
Disulfide bond
Ion channel impairing toxin
Knottin
Neurotoxin
Secreted
Signal
Toxin
Voltage-gated calcium channel impairing toxin
TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305|PubMed:11976325}.