Follistatin 315

Follistatin 315

Specification: 1mg/vial
Purity: 98%+
Appearance : White powder
Specific Optical Rotation (c=0.5,10% HAc) :-50.0~-60.0°
Water Content(Karl Fischer) : ≤5.0%
Acetate Content(by HPLC) : ≤15.0%
Amino Acid Composition : ±10% of theoretical
Purity (by HPLC) :≥98.0%
Single Impurity(by HPLC) :≤1.0%
Peptide Content(by %N) : ≥80%
Assay(By Anhydrous, Acetic Acid-free ) :95.0~105.0%
Bacterial Endotoxins : ≤5EU/mg
Storage/Stability: Stored at -20 °C if preferred. Storage in frost-free freezers is not recommended.

 

Function: 
Binds directly to activin and functions as an activin antagonist. Specific inhibitor of the biosynthesis and secretion of pituitary follicle stimulating hormone (FSH).

Storage Buffer:
PBS, 0.09% Sodium Azide

Storage Instruction:
Keep as concentrated solution. For short-term storage, store at 4° C (up to 10 days). For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles. This product may contain precipitation. Recommend microcentrifugation before use.