Purity ~90% (SDS-PAGE). Has no significant hemorrhagic activity, but inactivates serpins by limited proteolysis of their reactive-site loops. Source: Recombinant protein corresponding to aa1-203 from Crotalus Adamanteus zinc metalloproteinase Adamalysin-2, fused to His-tag at N-terminal, expressed in E. coli. Molecular Weight: ~27.1kD AA