15% (w/v) SDS-PAGE gel of crude N. kaouthia venom, reconstituted (gel filtration fraction) NK-PLA2: KTX-A complex, and purified venom proteins (KTX-A and KTX-B) under reduced (A) and non-reduced (B) conditions. A. Lane 1, molecular weight markers: phosphorylase b (97,400Da), bovine serum albumin (66,000 Da), ovalbumin (43,000Da), carbonic anhydrase (29,000Da), and lysozyme (14,300Da); Lane 2, reduced crude N. kaouthia venom (50μg); Lane 3, reduced fraction of reconstituted NK-PLA2A: KTX-A complex (30μg); Lane 4, reduced fraction of reconstituted NK-PLA2B: KTX-B complex (30μg); Lane 5, reduced NK-PLA2 A (30μg); Lane 6, reduced NK-PLA2 B (30μg); Lane 7, reduced KTX-A (30μg). B. Lane 1, non-reduced crude N. kaouthia venom (50μg); Lane 2, non-reduced KTX-A (10μg); Lane 3, non-reduced reconstituted NK-PLA2 A:KTX-A complex (10μg); Lane 4, non-reduced NK-PLA2 A (10μg).