Latrodectus hesperus (western black widow)

Venom composition
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

4 entries grouped by family (browse by taxonomy, browse by keywords)

2 entries

Arthropod CHH/MIH/GIH/VIH hormone family

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TXA1_LATHE Alpha-latrotoxin associated low molecular weight ... Latrodectus hesperus (Western black widow ...
TXA2_LATHE Alpha-latrotoxin associated low molecular weight ... Latrodectus hesperus (Western black widow ...

1 entry

Cationic peptide 01 (latrotoxin) family, 03 (alpha-latrotoxin) subfamily

LATA_LATHE Alpha-latrotoxin-Lhe1a (Alpha-LTX-Lhe1a) ... Latrodectus hesperus (Western black widow ...

1 entry

Cationic peptide 01 (latrotoxin) family, 04 (delta-latroinsectotoxin) subfamily

LITD_LATHE Delta-latroinsectotoxin-Lhe1a (Delta-LIT-Lhe1a) ... Latrodectus hesperus (Western black widow ...