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909610

Sigma-Aldrich

BMSO crosslinker

≥95%

Sinônimo(s):

3,3′-Sulfinylbis(N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)propanamide), Mass spectrometry-cleavable crosslinker for studying protein-protein interations

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About This Item

Fórmula empírica (Notação de Hill):
C18H22N4O7S
Número CAS:
2231640-10-9
Peso molecular:
438.45
Código UNSPSC:
12352200
NACRES:
NA.22

Ensaio

≥95%

forma

powder

temperatura de armazenamento

2-8°C

Aplicação

BMSO (bismaleimide sulfoxide) crosslinker is a homobifunctional, cysteine residue-targeting, sulfoxide-containing crosslinker for analysis of protein-protein interactions (PPIs) through crosslinking mass spectrometry (XL-MS). BMSO possesses two maleimide reactive groups for targeting Cys, a 24.2 Å spacer arm, and two symmetrical C-S cleavable bonds adjacent to the central sulfoxide. While similar reagents react with lysine (Lys) and acidic residues, targeting Cys provides further opportunity to characterize protein interaction surfaces. Additionally, the post-cleavage spacer yields tagged peptides for unambiguous identification by collision-induced dissociation in tandem MS.

BMSO crosslinker provides complementary data to amine-reactive and acidic residue-targeting reagents and will find wide utility in the elucidation of PPIs, study of proteins that function as complexes, quantification of structural dynamics, and the quest for targeting "undruggable" protein targets.

Outras notas

Technology Spotlight: Cross-Linkers for Elucidation of Protein-Protein Interactions

Development of a Novel Sulfoxide-Containing MS-Cleavable Homobifunctional Cysteine-Reactive Cross-Linker for Studying Protein–Protein Interactions

Structural dynamics of the human COP9 signalosome revealed by cross-linking mass spectrometry and integrative modeling

Informações legais

Subject to US provisional patent application #62/845,240 of the Regents of the University of California

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Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Craig B Gutierrez et al.
Analytical chemistry, 90(12), 7600-7607 (2018-05-25)
Cross-linking mass spectrometry (XL-MS) has become an emerging technology for defining protein-protein interactions (PPIs) and elucidating architectures of large protein complexes. Up to now, the most widely used cross-linking reagents target lysines. Although such reagents have been successfully applied to

Artigos

Sulfoxide-Containing Mass Spectrometry (MS)-Cleavable Cross-Linkers

Learn about homobifunctional sulfoxide-containing MS-cleavable cross-linkers that enables the capture of protein-protein interactions (PPIs) in native cellular environments, and the identification of cross-linked peptides permits the determination of both identity and connectivity of PPIs.

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