MSST0015
SILu™Prot B2M beta-2-microglobulin human
recombinant, expressed in HEK 293 cells, SIL MS Protein Standard, 13C- and 15N-labeled
Synonym(s):
β-2-microglobulin
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About This Item
NACRES:
NA.12
UNSPSC Code:
23201100
Form:
lyophilized powder
Assay:
≥98% (SDS-PAGE)
Biological source:
human
Recombinant:
expressed in HEK 293 cells
biological source
human
Quality Level
recombinant
expressed in HEK 293 cells
assay
≥98% (SDS-PAGE)
form
lyophilized powder
potency
≥98% Heavy amino acids incorporation efficiency by MS
technique(s)
mass spectrometry (MS): suitable
suitability
suitable for mass spectrometry (standard)
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... B2M(567)
Related Categories
General description
SILu™ Prot B2M is a recombinant, stable isotope-labeled human B2M which incorporates [13C6, 15N4]-Arginine and [13C6, 15N2]-Lysine. Expressed in human 293 cells, it is designed to be used as an internal standard for bioanalysis of B2M in mass-spectrometry. SILu™ Prot B2M is a monomer of 119 amino acids (including C-terminal polyhistidine and flag tags), with a molecular weight of ~14 kDa.
Suggested Quantitative Analysis Parameters
(MRM settings provided for three suggested peptides)
Suggested Quantitative Analysis Parameters
(MRM settings provided for three suggested peptides)
Biochem/physiol Actions
B2M is the light chain of the major histocompatibility class (MHC) I molecule expressed on the cell surface of all nucleated cells. Increased urinary B2M excretion has been observed to be an early marker of tubular injury in a number of settings, including nephrotoxicant exposure, cardiac surgery, and renal transplantation, preceding rises in serum creatinine by as many as 4−5 days. B2M may also serve as an early biomarker for AKI (Acute Kidney Injury).
Physical form
Supplied as a lyophilized powder containing phosphate buffered saline.
Other Notes
IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDMDYKDDDDKGHHHHHHHHGGQ
Legal Information
SILu is a trademark of Sigma-Aldrich Co. LLC
Storage Class
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Instructions
Global Trade Item Number
| SKU | GTIN |
|---|---|
| MSST0015-10UG | 04061833254974 |
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