Evidence 1
Activity
Activity
Neurotoxin
FUNCTION: Antagonist of L-type calcium channels (Cav1/CACNA1). Causes paralysis in the posterior limbs and gradual decreases in movement and aggression during 24 hours at dose levels of 5 ug per mouse.
Target
voltage-gated calcium channel (Cav)
Source & Reference
NA
UniProtKB/Swiss-Prot Tox-Prot
Other
Phoneutria nigriventer (Brazilian armed spider) (Ctenus nigriventer)
Neurotoxin
Calcium channel impairing toxin
Ion channel impairing toxin
Voltage-gated calcium channel impairing toxin
Antagonist of L-type calcium channels (Cav1/CACNA1). Causes paralysis in the posterior limbs and gradual decreases in movement and aggression during 24 hours at dose levels of 5 ug per mouse.
U7-ctenitoxin-Pn1a (U7-CNTX-Pn1a) (Neurotoxin Tx3-5) (PnTx3-5)
spider
Neurotoxin 02 (plectoxin) family
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:0000269|PubMed:16278100}.