Is Thread Biopolymer Filament Subunit Alpha vegan?

sr-Hagfish Polypeptide-1 is also known as Thread Biopolymer Filament Subunit Alpha.

sr-Hagfish Polypeptide-1 is a single-chain recombinant protein produced by fermentation in E. coli, using a synthesized gene identical to that coding for Thread Biopolymer Filament Subunit Alpha derived from hagfish. Although the sequence originates from an animal (hagfish), the protein itself is manufactured via microbial fermentation without use of animal-derived material.

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