Latrodectus hesperus (western black widow) (taxid:256737)

Venom composition image
Figure 1: Composition of L.hesperus venom, studied at transcriptomic level. This venom contains the following protein families: latrotoxin, latrodectin, ICK (see knottin domain), CRISP, serine protease (peptidase S1) , M13 metalloproteinase and chitinase (Haney et al., 2014).
Clinical Effects, Treatment, Antivenoms See the Clinical Toxinology Resources Website.
Lethal dose

Venom protein entries in UniProtKB/Swiss-Prot

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4 entries grouped by species

4 entries

Latrodectus hesperus (Western black widow spider)

LATA_LATHE Alpha-latrotoxin-Lhe1a (Alpha-LTX-Lhe1a) (Alpha-latrotoxin) ... Cationic peptide 01 (latrotoxin) ...
LITD_LATHE Delta-latroinsectotoxin-Lhe1a (Delta-LIT-Lhe1a) ... Cationic peptide 01 (latrotoxin) ...
TXA1_LATHE Alpha-latrotoxin associated low molecular weight protein ... Arthropod CHH/MIH/GIH/VIH ...
TXA2_LATHE Alpha-latrotoxin associated low molecular weight protein 2 ... Arthropod CHH/MIH/GIH/VIH ...