Recombinant Human IgG4 Fc

Synonyms: Ig gamma-4 chain C region, IgG4 Fc

Mol. Weight: 32 kDa

Endotoxin: < 1 EU/µg as determined by LAL test.

Uniprot ID: P01861-1

Formulation: Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.

Purity: Greater than 95% as determined by SDS-PAGE.

Reconstitution: Centrifuge the vial prior to opening, reconstitute in sterile distilled water or buffer of interest to concentration of 0.1-1mg/ml by gently pipetting 2-3 times, don't vortex

Storage: The lyophilized protein is stable at -20°C for up to 1 year, the protein solution can be stored at 2-8°C for up to 1 week under sterile condition. For extended storage, it is recommended to further dilute in working aliquots, store at -20°C to -80°C for 3 months. Avoid repeated freeze/thaw cycle.