GRADE & PURITYAnimal Free?Animal-free — produced without animal-derived components to reduce contamination risk. Use in biomanufacturing and culture avoiding animal-origin material.Carrier Free?Carrier-free — supplied without added carrier protein/stabilizer. Use when carriers (e.g. BSA) would interfere with conjugation or sensitive assays.Bioactive?Bioactive grade — verified to retain biological activity in functional assays. Use when the molecule must be functionally active, not just pure.ActiBioPure™?ActiBioPure™ — Aladdin's premier line for bioactive and recombinant products. Use when both high purity and preserved biological activity are required.His Tag?His tag grade — recombinant protein bearing a His tag for affinity purification/detection. Use to purify, immobilize, or detect the tagged protein.≥90%(SDS-PAGE)expressed in HEK293; See COA
Accession #
P19883
Protein Tag
C-His
Expression system
HEK293
Endotoxin Concentration
<1.0 EU/μg
Bioactivity
Immobilized Recombinant Human Follistatin Protein (rp304585) at 1.0 μg/mL can bind Recombinant Follistatin Antibody (Ab103889) with the EC50 of 11.5 ng/mL.
Animal Free,Carrier Free,Bioactive,ActiBioPure™,His Tag,≥90%(SDS-PAGE),expressed in HEK293; See COA ActiBioPure™,Animal Free,Bioactive,Carrier Free,His Tag for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Store at -20°C,Avoid repeated freezing and thawing Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
ActiBioPure™, Animal Free, Bioactive, Carrier Free, His Tag
Especificaciones y pureza
Animal Free, Carrier Free, Bioactive, ActiBioPure™, His Tag, ≥90%(SDS-PAGE), expressed in HEK293; See COA
Mecanismos bioquímicos y fisiológicos
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
Bioactividad
Immobilized Recombinant Human Follistatin Protein (rp304585) at 1.0 μg/mL can bind Recombinant Follistatin Antibody (Ab103889) with the EC50 of 11.5 ng/mL.
40.3-47.1 kDa, under reducing conditions; 34.6-43.0 kDa, under non-reducing conditions.
Tipo de molécula
Protein
Almacenamiento y envío
Concentración
expressed in HEK293; See COA
Reconstitución
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute at 0.5 mg/mL in sterile distilled water. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Condiciones de almacenamiento de almacenamiento
Store at -20°C,Avoid repeated freezing and thawing
Enviado en
Ice chest + Ice pads
Estabilidad y almacenamiento
Store at -20℃ for 12 months. Upon reconstitution, it is recommended to aliquot. Avoid freeze/thaw cycle.
Imágenes
Recombinant Human Follistatin Protein (rp304585) - ELISA
Immobilized Recombinant Human Follistatin Protein (rp304585) at 1.0 μg/mL can bind Recombinant Follistatin Antibody (Ab103889) with the EC₅₀ of 11.5 ng/mL.
Recombinant Human Follistatin Protein (rp304585) - SDS-PAGE
3 μg/lane of Recombinant Human Follistatin Protein was resolved with SDS-PAGE under reducing (R) and non-reducing (N) conditions and visualized by Coomassie® Blue staining, showing a band at 40.3-47.1 kDa under reducing conditions and 34.6-43.0 kDa under non-reducing conditions.
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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