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Solution Conformati...
Solution Conformations Shed Light on PROTAC Cell Permeability
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- Atilaw, Yoseph (author)
- Uppsala universitet,Organisk kemi
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- Poongavanam, Vasanthanathan (author)
- Uppsala universitet,Organisk kemi
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- Svensson Nilsson, Caroline (author)
- Uppsala universitet,Institutionen för kemi - BMC
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Nguyen, Duy (author)
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Giese, Anja (author)
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Meibom, Daniel (author)
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- Erdélyi, Máté, 1975- (author)
- Uppsala universitet,Organisk kemi
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- Kihlberg, Jan (author)
- Uppsala universitet,Organisk kemi
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(creator_code:org_t)
- 2020-12-25
- 2021
- English.
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In: ACS Medicinal Chemistry Letters. - : American Chemical Society (ACS). - 1948-5875. ; 12:1, s. 107-114
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Abstract
Subject headings
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- Proteolysis targeting chimeras (PROTACs) induce intracellular degradation of target proteins. Their bifunctional structure puts degraders in a chemical space where ADME properties often complicate drug discovery. Herein we provide the first structural insight into PROTAC cell permeability obtained by NMR studies of a VHL-based PROTAC (1), which is cell permeable despite having a high molecular weight and polarity and a large number of rotatable bonds. We found that 1 populates elongated and polar conformations in solutions that mimic extra- and intracellular compartments. Conformations were folded and had a smaller polar surface area in chloroform, mimicking a cell membrane interior. Formation of intramolecular and nonclassical hydrogen bonds, π–π interactions, and shielding of amide groups from solvent all facilitate cell permeability by minimization of size and polarity. We conclude that molecular chameleonicity appears to be of major importance for 1 to enter into target cells.
Subject headings
- NATURVETENSKAP -- Kemi -- Organisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Organic Chemistry (hsv//eng)
Keyword
- PROTAC
- cell permeability
- NMR spectroscopy
- conformation
- molecular chameleon
- Chemistry with specialization in Organic Chemistry
- Kemi med inriktning mot organisk kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
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