Please refer to the printed manual for detailed information.
Background
Pepsinogen C, also known as PGC, is an aspartic proteinase that belongs to the peptidase family A1. Pepsinogen C is synthesized in the gastric mucosa as inactive precursors, known as zymogens. Pepsinogen C contains a prosegment that serves to stabilize the inactive form and prevent entry of the substrate to the active site. At low PH conditions, Pepsinogen C undergoes conversion into active enzyme. Pepsinogen C has been found expressed in all regions of the stomach mucosa and also in the proximal duodenal mucosa. In stomach cancer tissues and cancer cell lines, the expressions of the pepsinogen genes were decreased or lost, in good accordance with their pepsinogen productions. No gross structural changes of the pepsinogen genes were observed in these cancers, but the methylation patterns of the pepsinogen genes were found to be altered in different ways in different cancers. Serum levels of Pepsinogen C are used as a biomarker for certain gastric diseases including Helicobacter pylori related gastritis.
Reactivity
Rat
Tag
C-His
Description
A DNA sequence encoding the rat PGC (NP_579818.1) (Met 1-Val 392) was expressed, fused with a polyhistidine tag at the C-terminus.
Formulation
Lyophilized from sterile 50mM Tris, 150mM NaCl, pH 7.5
Host
HEK293 Cells
Accession Number
NP_579818.1
Endotoxin Level
< 1.0 EU per ?g of the protein as determined by the LAL method
Mol Weight
42.5 kDa
Mw(kda)
42.5 kDa
Sequence Info
Met 1-Val 392
Shipping
This product is provided as lyophilized powder which is shipped with ice packs.
Stotage Note
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.