| 1. | Silk is made up of two proteins, fibroin and sericine.
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| 2. | It consists mainly of two proteins, fibroin and sericin.
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| 3. | :I guess you're talking about Fibroin.
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| 4. | Throughout the H-fibroin protein, greater than 60 % of all serines were phosphorylated.
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| 5. | Sericin C is the innermost layer, the layer that comes closest to and is adjacent to fibroin.
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| 6. | Also insoluble in water, sericin C can be separated from the fibroin via the addition of a hot, weak acid.
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| 7. | This kind of regular repetition and high glycine content is found in only a few other fibrous proteins, such as silk fibroin.
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| 8. | "Gonometa " fibroin is rich in basic amino acids, making it a potentially useful biomaterial in cell and tissue culture.
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| 9. | Many species of " Amycolatopsis " and " Saccharotrix " bacteria are able to degrade both silk fibroin and polylactic acid.
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| 10. | The cocoon, produced after the fourth moult, is covered with a continuous filament of the silk protein, fibroin, gummed together with sericin.
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