		Technical Data
H1840-48	Helicobacter pylori, Cag Antigen, Recombinant	100ug

Molecular Biology

Storage: -20°CShipping: Blue Ice

Cytotoxin-associated gene A is produced in genetically engineered E. coli. It covers Glu 748 to Glu 1015 of the H. pylori Cag antigen.

Storage and Stability:
For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Molecular Weight:
30kD

Source: E. coli
Purity: 90%
Concentration: ~0.5mg/ml
Form: Supplied in PBS, 0.1% SDS, 10mM EDTA, pH 7.4.

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

1. Molecular characterization of the 128 KDa immunodominant antigen of H. pylori associated to cytotoxicity and duodenal ulcer. Covacci et al.Proc. Natl. Acad. Sci. USA 90, 5791-5795 (1993). 2. Cloning and expression of a high molecular mass major antigen of H. pylori: Evidence of linkage to cytotoxin production. K. Murali et al. Infection & Immunity 61, 1799-1809 (1993).

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.