Recombinant Der f 1 (RP-DF1-1)

Allergen: Der f 1 (Dermatophagoides farinae allergen 1)

Common name: House dust mite

Unit: 250µg

Source: Pichia pastoris

Mol. Wt: ~36-40kD

Purification: Purified from Pichia pastoris culture by mAb affinity chromatography. Purity >95% by SDS-PAGE.

Concentration: See product insert.

Formulation: Preservative-free and carrier-free in phosphate buffered saline, pH 7.4. Filtered through 0.22µm filter.

Storage: Store at -20◦C. Re-freeze unused portion and aliquot into smaller quantities to avoid freeze/thaw cycles. Gently defrost at room temperature.

Notes: (1) rDer f 1 produced in P. pastoris is glycosylated and has a higher MW than the natural allergen. The doublet is due to dimer formation.

Genbank: 3D6S X-ray crystal structure

Product Resources: Recombinant Der f 1 Certificate of Analysis

Allergens are provided for research and commercial use in vitro:  not for human in vivo or therapeutic use.