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MSST0043 Sigma-Aldrich

SILuProt TIMP1, Metalloproteinase inhibitor 1 human

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



Related Categories Biochemicals and Reagents, Proteins and Derivatives, SILuProt Protein Standards for Quantitative Mass Spectrometry More...
Quality Level   200
recombinant   expressed in HEK 293 cells
assay   ≥98% (SDS-PAGE)
form   lyophilized powder
potency   ≥98% Heavy amino acids incorporation efficiency by MS
suitability   suitable for mass spectrometry (standard)
UniProt accession no.   P01033
storage temp.   −20°C


General description

SILuProt TIMP1 is a recombinant, stable isotope-labeled human TIMP1 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 TIMP1 in mass-spectrometry. SILuProt TIMP1 is a protein of 184 amino acids , with a calculated molecular mass of 20.7 kDa.

Biochem/physiol Actions

TIMP-1 is glycoprotein that is over-expressed in the supernatant of tissue extracts of breast, gastric, colorectal, and hepatocellular carcinomas. It belongs to the family of “tissue inhibitors of metalloproteinases,” a group of proteins that help regulate bone turnover. TIMP-1 serum levels are significantly associated with HER2 extracellular domain (ECD)-positivity and poorer disease-free survival among primary breast cancer patients with HER2 overexpression. High levels of serum TIMP-1 correlate with advanced disease and predict for poor survival in patients with multiple myeloma treated with bortezomib and/or IMiDs during their disease course.



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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