Recombinant human Follistatin/FST protein
FST, also known as 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. Recombinant human FST, fused to His-tag at C-terminus, was expressed in Sf9 and purified by using conventional chromatography techniques.
Product Specifications
Product Name Alternative
Follistatin isoform FST317, FS
Expression System
Baculovirus
Antigen Species
Human
Tag
His-Tag
Applications
SDS-PAGE
Concentration
0.25 mg/mL (determined by Bradford assay)
Endotoxin
< 1 EU per 1ug of protein (determined by LAL method)
Purity
> 90% by SDS-PAGE
Molecular Weight
32.5 kDa (295aa) 40-57 kDa, reducing conditions
Additionnal Information
References & Citations
Sang Q, Zhang S, et al. (2013) . Reprod Biomed Online. 26 (2) :157-63.; ; Akiyama I, Yoshino O, et al. (2013) . Reprod Sci. 20 (6) :675-9.
Storage Conditions
Can be stored at 2°C to 8°C for 1 week. For long term storage, aliquot and store at -20C to -80C. Avoid repeated freezing and thawing cycles.
Formulation
Liquid in. Phosphate-Buffered Saline (pH 7.4) containing 10% glycerol
Scientific Category
Signal Transduction
NCBI Accession Number
NP_006341
Uniprot Accession Number
P19883
Species
Human
AA Sequence
Frequently Asked Questions
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