Description

Allergen: Bla g 4 (Blattella germanica allergen 4.0101)

Common name: German cockroach

Unit: 250µg

Source: Pichia pastoris

Mol. Wt: 23kD

Purification: Purified from Pichia pastoris culture by phenol sepharose and gel filtration chromatography. Purity >95% by SDS-PAGE.

Concentration: See product insert.

Formulation: Preservative and carrier-free in phosphate buffered saline, pH 7.4. Filtered through 0.22 µm 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) rBla g 4 is produced in P. pastoris as a glycosylated allergen with MW slightly higher than that predicted for natural Bla g 4 (21kD). (2) Not tested for endotoxin.

Genbank: U40767

PDB: 3EBk, 3EBW, X-ray crystal structures

Product Resources: Recombinant Bla g 4 Certificate of Analysis

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