NLM Logo

omega-Agatoxin IVA MeSH Descriptor Data 2025


MeSH Heading
omega-Agatoxin IVA
Tree Number(s)
D12.644.400.562
D12.776.093.249.500
D20.888.065.870.324.500
D23.946.833.065.870.324.500
Unique ID
D020867
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D020867
Scope Note
A neuropeptide toxin from the venom of the funnel web spider, Agelenopsis aperta. It inhibits CALCIUM CHANNELS, P-TYPE by altering the voltage-dependent gating so that very large depolarizations are needed for channel opening. It also inhibits CALCIUM CHANNELS, Q-TYPE.
Entry Term(s)
omega-Aga-IVA
Pharm Action
Calcium Channel Blockers
Neurotoxins
Previous Indexing
Spider Venoms (1992-1999)
Public MeSH Note
2000; OMEGA-AGATOXIN IVA was indexed under SPIDER VENOMS 1992-1999
History Note
2000; use OMEGA-AGATOXIN IVA (NM) 1992-1999
Date Established
2000/01/01
Date of Entry
1999/11/08
Revision Date
2015/06/18
omega-Agatoxin IVA Preferred
page delivered in 0.176s