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929344

Sigma-Aldrich

(S,R,S)-AHPC-C5-phosphoramidite

Synonym(s):

(3R,5S)-1-((2S)-2-(6-(((2-Cyanoethoxy)(diisopropylamino)phosphaneyl)oxy)hexanamido)-3,3-dimethylbutanoyl)-5-((4-(4-methylthiazol-5-yl)benzyl)carbamoyl)pyrrolidin-3-yl acetate

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About This Item

Empirical Formula (Hill Notation):
C39H59N6O7PS
Molecular Weight:
786.96
UNSPSC Code:
12352101

ligand

VH032

Quality Level

form

solid or liquid

storage temp.

2-8°C

SMILES string

O=C(N1C[C@H](OC(C)=O)C[C@H]1C(NCC2=CC=C(C3=C(C)N=CS3)C=C2)=O)[C@H](C(C)(C)C)NC(CCCCCOP(OCCC#N)N(C(C)C)C(C)C)=O

Application

Protein degrader building block (S,R,S)-AHPC-C5-phosphoramidite enables the synthesis of molecules for degradation of proteins and PROTAC® (proteolysis-targeting chimeras) research. This conjugate contains a von Hippel-Lindau (VHL)-recruiting ligand, a rigid linker, and a pendant phosphoramidite for reactivity with target DNA-binding proteins such as transcription factors. Because even slight alterations in ligands and crosslinkers can affect ternary complex formation between the target, E3 ligase, and degrader, many analogs are prepared to screen for optimal target degradation. When used with other protein degrader building blocks, parallel synthesis can be used to more quickly generate degrader libraries that feature variation in crosslinker length, composition, and E3 ligase ligand.

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Legal Information

PROTAC is a registered trademark of Arvinas Operations, Inc., and is used under license

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Jingwei Shao et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 8(20), e2102555-e2102555 (2021-08-17)
DNA-binding proteins, including transcription factors (TFs), play essential roles in various cellular processes and pathogenesis of diseases, deeming to be potential therapeutic targets. However, these proteins are generally considered undruggable as they lack an enzymatic catalytic site or a ligand-binding
Daniel P Bondeson et al.
Annual review of pharmacology and toxicology, 57, 107-123 (2016-10-13)
Protein homeostasis networks are highly regulated systems responsible for maintaining the health and productivity of cells. Whereas therapeutics have been developed to disrupt protein homeostasis, more recently identified techniques have been used to repurpose homeostatic networks to effect degradation of
Kedra Cyrus et al.
Molecular bioSystems, 7(2), 359-364 (2010-10-06)
Conventional genetic approaches have provided a powerful tool in the study of proteins. However, these techniques often preclude selective manipulation of temporal and spatial protein functions, which is crucial for the investigation of dynamic cellular processes. To overcome these limitations
Philipp M Cromm et al.
Cell chemical biology, 24(9), 1181-1190 (2017-06-27)
Traditional pharmaceutical drug discovery is almost exclusively focused on directly controlling protein activity to cure diseases. Modulators of protein activity, especially inhibitors, are developed and applied at high concentration to achieve maximal effects. Thereby, reduced bioavailability and off-target effects can
Momar Toure et al.
Angewandte Chemie (International ed. in English), 55(6), 1966-1973 (2016-01-13)
The current inhibitor-based approach to therapeutics has inherent limitations owing to its occupancy-based model: 1) there is a need to maintain high systemic exposure to ensure sufficient in vivo inhibition, 2) high in vivo concentrations bring potential for off-target side effects, and 3) there is

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