SILu™Lite CRP C-reactive Protein human，50UG，MSST0022-50UG，Sigma 供应商、价格、厂家、报价、规格参数

产品介绍 Product Description

General description

SILu^™Lite CRP is a recombinant human protein expressed in human 293 cells. It is a protein consisting of 226 amino acids (including a C-terminal polyhistidine and FLAG^® tags), with a calculated molecular weight of ~25 kDa. SILu^™Lite CRP is an analytical standard designed to be used as starting material for preparation of calibrators and controls in LC-MS applications.

Suggested Quantitative Analysis Parameters
(MRM settings provided for three suggested peptides)

Biochem/physiol Actions

CRP is a hepatically derived pentraxin. It exists mainly as a pentamer in a cyclic structure with 5 identical 23-kD subunits in the blood. In addition to its role as an "acute phase" protein or first-line defense molecule against pathogenic organisms, baseline levels of CRP correlate positively to adverse cardiovascular events. CRP is therefore being considered a “risk factor” for cardiovascular disease. In humans, treatment with statin therapy reduces levels of both LDL-C and CRP, and concurrently there is a reduction in the number of cardiovascular events. A recent study suggests that patients with elevated basal levels of CRP are at an increased risk of diabetes, in addition to cardiovascular disease. A study of over 700 nurses showed that those in the highest quartile of trans fat consumption had blood levels of CRP that were 73% higher than those in the lowest quartile.

Physical form

Supplied as a solution of phosphate buffered saline with 25% glycerol.

Other Notes

QTDMSRKAFVFPKESDTSYVSLKAPLTKPLKAFTVCLHFYTELSSTRGYSIFSYATKRQDNEILIFWSKDIGYSFTVGGSEILFEVPEVTVAPVHICTSWESASGIVEFWVDGKPRVRKSLKKGYTVGAEASIILGQEQDSFGGNFEGSQSLVGDIGNVNMWDFVLSPDEINTIYLGGPFSPNVLNWRALKYEVQGEVFTKPQLWPDYKDDDDKGHHHHHHHHGGQ

Legal Information

FLAG is a registered trademark of Merck KGaA, Darmstadt, Germany
SILu is a trademark of Sigma-Aldrich Co. LLC

技术参数 Specifications

biological source	human
Quality Segment	200
recombinant	expressed in HEK 293 cells
assay	≥98% (SDS-PAGE)
form	liquid
technique(s)	mass spectrometry (MS): suitable
suitability	suitable for mass spectrometry (internal calibrator)
UniProt accession no.	P02741
storage temp.	−20°C
Gene Information	human ... PTX3(5806)

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