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901848

Sigma-Aldrich

(S,R,S)-AHPC-PEG4-NH2 hydrochloride

≥95%

Synonym(s):

(2S,4R)-1-((S)-17-Amino-2-(tert-butyl)-4-oxo-6,9,12,15-tetraoxa-3-azaheptadecanoyl)-4-hydroxy-N-(4-(4-methylthiazol-5-yl)benzyl)pyrrolidine-2-carboxamide hydrochloride, Crosslinker−E3 Ligase ligand conjugate, Protein degrader building block for PROTAC® research, Template for synthesis of targeted protein degrader, VH032 conjugate

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About This Item

Empirical Formula (Hill Notation):
C32H49N5O8S · xHCl
CAS Number:
Molecular Weight:
663.83 (free base basis)
UNSPSC Code:
12352101
NACRES:
NA.22

ligand

VH032

Assay

≥95%

form

powder

reaction suitability

reactivity: carboxyl reactive
reagent type: ligand-linker conjugate

functional group

amine

storage temp.

2-8°C

SMILES string

O=C(COCCOCCOCCOCCN)N[C@H](C(N1[C@H](C(NCC2=CC=C(C3=C(C)N=CS3)C=C2)=O)C[C@@H](O)C1)=O)C(C)(C)C.Cl

Application

Protein degrader builiding block (S,R,S)-AHPC-PEG4-NH2 (HCl salt) enables the synthesis of molecules for targeted protein degradation and PROTAC (proteolysis-targeting chimeras) technology. This conjugate contains a von Hippel-Lindau (VHL)-recruiting ligand and a PEGylated crosslinker with pendant amine for reactivity with a carboxyl group on the target ligand. Because even slight alterations in ligands and crosslinkers can affect ternary complex formation between the target, E3 ligase, and PROTAC, many analogs are prepared to screen for optimal target degradation. When used with other protein degrader building blocks with a pendant amine, parallel synthesis can be used to more quickly generate PROTAC libraries that feature variation in crosslinker length, composition, and E3 ligase ligand.

Automate your VHL-PEG based PROTACs with Synple Automated Synthesis Platform (SYNPLE-SC002)

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Small-molecule PROTACS: new approaches to protein degradation.
Toure M and Crews CM
Angewandte Chemie (International ed. in English), 55(6), 1966-1973 (2016)
Targeted protein degradation by PROTACs.
Neklesa TK, et al.
Pharmacology & Therapeutics, 174, 138-144 (2017)
Targeted protein degradation: from chemical biology to drug discovery.
Cromm, Philipp M and Crews, Craig M
Cell Chemical Biology, 24(9), 1181-1190 (2017)
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
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

Articles

Partial PROTACs are a collection of crosslinker-E3 ligand conjugates with a pendant functional group for covalent linkage to a target ligand.

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