Streptavidin proteins
First Claim
1. An isolated bifunctional recombinant streptavidin-metallothionein chimeric fusion protein comprising a streptavidin (Streptomyces avidinii) moiety which retains full biotin binding function, and a metallothioncin moiety which retains full metal ion binding function.
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Accused Products
Abstract
Streptavidin-metallothionein chimeric proteins with biological recognition specificity in which the streptavidin moiety provides high affinity biotin binding and the metallothionein moiety provides a high affinity metal binding. The binding affinity of the streptavidin-metallothionein chimeric protein both for biotin and heavy metal ions allows specific incorporation into, conjugation with, or labelling of any biological material containing biotin with various heavy metal ions.
3 Citations
24 Claims
- 1. An isolated bifunctional recombinant streptavidin-metallothionein chimeric fusion protein comprising a streptavidin (Streptomyces avidinii) moiety which retains full biotin binding function, and a metallothioncin moiety which retains full metal ion binding function.
Specification