Is r-Spider Polypeptide-1 vegan?

sr-Spider Polypeptide-1 is also known as r-Spider Polypeptide-1.

sr-Spider Polypeptide-1 is a single-chain recombinant spider protein produced by fermentation using genetically modified E. coli, based on a synthetically derived gene copy of Fibroin-4 from the spider Araneus diadematus. It contains up to 410 amino acids and is produced without using any actual spider material.

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