Recombinant Per a 7 (Tropomyosin) (RP-PA7-1)

Recombinant Per a 7 (Tropomyosin) (RP-PA7-1)
Product Code: RP-PA7-1
Availability: In Stock
Price: $575.00
Allergen: rPer a 7 (Periplaneta americana allergen 7)
Unit: 250µg
Source: Pichia pastoris
Mol. Wt: 33kD

Purified from Pichia pastoris culture by multi-step chromatography. Purity on silver-stained SDS-PAGE >95%.


See product insert. 


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

Storage: Store at -20ºC.

(1) Avoid repeated Freeze/Thaw cycles. 

(2) Upper bands are traces of non-reduced dimer
Product Resources: Recombinant Per a 7 Certificate of Analysis
Allergens are provided for research and commercial use in vitro:  not for human in vivo or therapeutic use.
  1. Asturias JA et al. Molecular characterization of American cockroach tropomyosin (Periplaneta americana allergen 7), a cross-reactive allergen. J Immunol. 1999;162(7):4342-8.2.
  2. Ayuso R et al. Molecular basis of arthropod cross-reactivity: IgE-binding cross-reactive epitopes of shrimp, house dust mite and cockroach tropomyosins. Int Arch Allergy Immunol. 2002;129(1):38-48.
  3. Santos AB et al. Cross-reactive IgE antibody responses to tropomyosins from Ascaris lumbricoides and cockroach. J Allergy Clin Immunol.2008;121(4):1040-6.
  4. Chapman MD, Pomés A. Cockroach allergens, environmental exposure and asthma. In: Allergy and Allergic Diseases. 2nd Edition. Blackwell Publishing. Ed. AB Kay, AP Kaplan, J Bousquet, PG Holt. 2008:1131-45. 
File Name Size Added Link
RP-PA7_CoA 565.91KB 20/05/2014 Download
Recombinant Per a 7 Certificate of Analysis
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