Identification of the cleavage sites by a hemorrhagic metalloproteinase in type IV collagen.


Type IV collagen, solubilized from Engelbreth-Holm-Swarm (EHS) tumor basement membranes is digested by a hemorrhagic metalloproteinase, Ht-e, isolated from the crude venom of the Western Diamondback rattlesnake, Crotalus atrox. The major proteolytic products have Mr 141,000, 132,000, 87,000, 71,000, 33,000 and approximately 18,000 as estimated by SDS-gel… (More)


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