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Recombinant Human FST protein (NP_006341.1) is produced in Sia-Increased Human Cell Line. This expression system is used for the production of glycoproteins with high sialylation with fucosylation.
Follistatin is a single-chain gonadal protein that specifically inhibits follicle-stimulating hormone release. The single FST gene encodes two isoforms, FST317 and FST344 containing 317 and 344 amino acids respectively, resulting from alternative splicing of the precursor mRNA.