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US 10,870,875 B2Granted
Metalloprotein compositions
AssigneeCommonwealth Scientific and Industrial Research Organisation
InventorsTara Sutherland, Trevor Rapson
Life of this patent
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Abstract
The present invention relates to compositions comprising: a polypeptide, wherein at least a portion of the polypeptide has a coiled coil structure; and a chelate comprising a chelating agent and a metal ion; and wherein the chelate is bound to at least one amino acid of the polypeptide. In a preferred embodiment the polypeptide is a silk fibroin, wherein at least a portion of the silk fibroin has a coiled coil structure.
Claims23
A composition comprising:
- a silk polypeptide wherein at least a portion of the silk polypeptide has a coiled coil structure, wherein the silk polypeptide comprises at least 5 copies of the heptad sequence abcdefg, and wherein at least 15% of the amino acids at position a in the heptad repeats are alanine;
- and
- a chelate comprising a chelating agent and a metal ion;
- and
- wherein the chelate is bound to at least one amino acid of the silk polypeptide.
2 more elements
Dependencies are inferred from the claim text.