3.4.21.84 43000 - x * 80000 + x * 43000, Limulus polyphemus, SDS-PAGE after reduction with 2-mercaptoethanol 29790, 29791 3.4.21.84 80000 - x * 80000 + x * 43000, Limulus polyphemus, SDS-PAGE after reduction with 2-mercaptoethanol 29790, 29791 3.4.21.84 123000 - x * 123000, Limulus polyphemus, SDS-PAGE under nonreducing conditions 29790