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Mouse GPA33 / Glycoprotein A33 Protein (His Tag)

2010310L10Rik,2210401D16Rik,BB116197

Catalog Number P50559-M08H
Organism Species Mouse
Host Human Cells
Synonyms 2010310L10Rik,2210401D16Rik,BB116197
Molecular Weight The secreted recombinant mouse GPA33 consists of 225 amino acids and has a predicted molecular mass of 25.4 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rmGPA33 is approximately 35-40 kDa due to glycosylation.
predicted N Leu 22
SDS-PAGE
Purity > 95 % as determined by SDS-PAGE
Protein Construction A DNA sequence encoding the mouse GPA33 (NP_067623.1) extracellular domain (Met 1-Ile 235) was expressed, with a polyhistidine tag at the C-terminus.
Bio-activity
Research Area Cancer |Oncoprotein & suppressor & biomarker |Tumor biomarker |Tumor antigen
Formulation Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
Background Cell surface A33 antigen, also known as glycoprotein A33, is a single-pass type I  membrane protein which is expressed in normal gastrointestinal epithelium and in 95% of colon cancers. GPA33 contains one Ig-like C2-type (immunoglobulin-like) domain and one Ig-like V-type (immunoglobulin-like) domain. The open reading frame encodes a 319-amino acid polypeptide having a putative secretory signal sequence and 3 potential glycosylation sites. The predicted mature protein has a 213-amino acid extracellular region, a single transmembrane domain, and a 62-amino acid intracellular tail. Intracellular traffic and recycling to the cell surface appear to play a major role in GPA33 function and to have an influence on its surface density superseding translational regulation. GPA33 has become a promising target of immunologic therapy strategies, but its biologic function and potential role in tumorigenesis are unknown. EpCAM protein and GPA33 mRNA expressions are specific and sensitive markers of Barrett's metaplasia (BM). GPA33 may also play a role in cell-cell recognition and signaling.
Reference
  • Heath J.K., et al., 1997, Proc. Natl. Acad. Sci. USA. 94:469-74.
  • Ritter G., et al., 1997, Biochem. Biophys. Res. Commun. 236:682-6.
  • Frey,D. et al., 2008, Cancer Biother Radiopharm  23 (1):65-73.
  • Rageul,J. et al., 2009, Int J Cancer 125 (12):2802-9.