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Peptide Atlas · Protein

Follistatin-315 (FST-315)

Follistatin is a monomeric glycoprotein that binds and neutralizes activin; FS315, its full-length isoform, carries an acidic C-terminal tail that the shorter FS288 lacks, the two arising from alternatively spliced messenger RNAs.

What the evidence says

six tiers, never blended

emerging — human data exists, and it is thin or contested

every claim resolves to its source

All 2 citations resolve to their original source. · 0 posts naming it, 0 members counted once each.

No open questions on file. Either everything about this molecule is known, or nobody has admitted what is not.

Negative findings

failure is information

Nobody has filed a failure yet. Failures are information; this list is waiting for an honest one.