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MSST0007 Sigma-Aldrich

SILuProt CLU Clusterin human

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

Synonym: Apolipoprotein J, Clusterin, Testosterone-repressed prostate message 2 (TRPM-2)

  •  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
mol wt   56811.45
application(s)   mass spectroscopy (MS): suitable
conjugate   His tagged
  V5 tagged
suitability   suitable for mass spectrometry
UniProt accession no.   P10909
storage temp.   −20°C
Gene Information   human ... CLU(1191)


General description

SILu Prot Clusterin is a recombinant, stable isotope-labeled human Clusterin 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 Clusterin in mass-spectrometry. SIL Prot Clusterin is a heterodimer of 2 subunits (alpha and beta) consisting of 427 amino acids (including N-terminal polyhistidine and V5 tags), with a calculated molecular weight of 50 kDa.

Biochem/physiol Actions

Clusterin is a secreted glycosylated, 80-kDa disulfide-linked heterodimer of alpha and beta subunits (produced by internal cleavage). Clusterin is expressed in virtually all tissues and found in all human fluids. It is involved in numerous physiological processes important for carcinogenesis and tumor growth, including anti-apoptotic cell survival, cell cycle regulation, cell adhesion, tissue remodeling and lipid transportation. Clusterin also exists as a nuclear protein. The secreted form of Clusterin has extracellular chaperone and anti-apoptotic activities while the nuclear form acts as a proapoptotic factor.



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


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