Is B cell-attracting chemokine 1 vegan?

rh-Polypeptide-21 is also known as B cell-attracting chemokine 1.

rh-Polypeptide-21 is a single-chain recombinant human peptide produced by fermentation using genetically modified E. coli. The gene encoding the C-X-C motif chemokine 13 sequence is isolated from human cells and expressed in the production host, yielding a protein of up to 109 amino acids.

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