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MSST0013 Sigma-Aldrich

SILuProt AMBP Alpha-1 Microglycoprotein human

recombinant, expressed in HEK 293 cells, SIL MS Protein Standard, 13C and 15N-labeled

Synonym: Alpha-1-microglobulin, Complex-forming glycoprotein heterogeneous in charge

  •  NACRES NA.12



Related Categories Biochemicals and Reagents, Proteins and Derivatives, SILuProt Protein Standards for Quantitative Mass Spectrometry More...
Quality Level   200
biological source   human
recombinant   expressed in HEK 293 cells
assay   ≥98% (SDS-PAGE)
form   lyophilized powder
potency   ≥98% Heavy amino acids incorporation efficiency by MS
application(s)   mass spectroscopy (MS): suitable
conjugate   His tagged
suitability   suitable for mass spectrometry (standard)
UniProt accession no.   P02760
storage temp.   −20°C
Gene Information   human ... AMBP(259)


General description

SILu Prot AMBP is a recombinant, stable isotope-labeled human AMBP 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 AMBP in mass-spectrometry. SILu Prot AMBP is a monomer of 204 amino acids (including C-terminal polyhistidine and flag tags), with a molecular weight of ~23 kDa.

Biochem/physiol Actions

AMBP is synthesized by the liver, with approximately half of the circulating protein complexed to IgA. The free form is readily filtered by the glomerulus and reabsorbed by proximal tubule cells. AMBP has been found to be a sensitive biomarker for proximal tubular dysfunction even in the early phase of injury when no histologic damage is observable. In addition, urinary AMBP has been proposed to be a useful marker of tubular dysfunction even in low-gestational-age preterm infants, a population at high risk for AKI (Acute Kidney Injury).



Physical form

Supplied as a lyophilized powder containing phosphate buffered saline.

Legal Information

SILu is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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