The single chain variable antibody fragment (scFv) ER-5 was recently created by mutating earlier used scFVs which were used against other Mexican scorpion toxins. This scFv ER-5 was found to have a neutralizing effect on both Cll1 and<unk> .
Cll2
Cll1
AP-7 
PIM2
INAH 3
RGC100
Limp
MFAP4