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For research use only — not for human or veterinary consumption.

Reference-grade research compound

Follistatin 344 95%

Recombinant human follistatin isoform FST-344, a 344-residue activin-binding glycoprotein

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PDB 2ARV

Scientific name
Recombinant human follistatin isoform FST-344, a 344-residue activin-binding glycoprotein
Sequence
Length
344-mer
Molecular formula
Recombinant glycoprotein (~38 kDa)
Molecular weight
38000.00 g/mol
Form
lyophilized
Available sizes
1 mg, 2 mg
Storage
Store lyophilized powder at −20 °C, desiccated and protected from light. Stable for 24 months.
Batch HPLC purity
99.7%

Description

Recombinant human follistatin-344, a 344-residue secreted glycoprotein containing an N-terminal domain and three follistatin domains that bind members of the TGF-β superfamily including activin and myostatin. Used in vitro as a reference compound in activin neutralization and myostatin-binding assay model systems. Supplied as a lyophilized solid at 95% purity.

Current batch

RR-FOLLISTATIN34495-260107-B

Manufactured Jan 7, 2026

Tested Jan 13, 2026

Download COA (PDF)
Reverse-phase HPLC · UV 220 nm · Batch RR-FOLLISTATIN34495-260107-BMain peak 99.7%
0.000.250.500.751.0003691215

Storage and stability

Store lyophilized powder at −20 °C, desiccated and protected from light. Stable for 24 months.

Peer-reviewed references

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