Cryo-EM advances in GPCR structure determination

G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans, and are categorized into six classes (A through F) that play indispensable roles in cellular communication and therapeutics. Nonetheless, their structural comprehension has been limited by challenges in high-resolution...

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Published in:Journal of biochemistry (Tokyo) Vol. 176; no. 1; p. 1
Main Authors: Shihoya, Wataru, Iwama, Aika, Sano, Fumiya K, Nureki, Osamu
Format: Journal Article
Language:English
Published: England 01.07.2024
Subjects:
Cryo-EM
Structural biology
G-protein-coupled receptor
ISSN:1756-2651, 1756-2651
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Abstract G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans, and are categorized into six classes (A through F) that play indispensable roles in cellular communication and therapeutics. Nonetheless, their structural comprehension has been limited by challenges in high-resolution data acquisition. This review highlights the transformative impact of cryogenic electron microscopy (cryo-EM) in the structural determinations of GPCR-G-protein complexes. Specific technologies such as nanobodies and mini-G-proteins stabilize complexes and facilitate structural determination. We discuss the structural alterations upon receptor activation in different GPCR classes, revealing their diverse mechanisms. These cryo-EM structures provide a robust foundation for comprehending GPCR function and pave the way for future breakthroughs in drug discovery and therapeutic targeting.
AbstractList G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans, and are categorized into six classes (A through F) that play indispensable roles in cellular communication and therapeutics. Nonetheless, their structural comprehension has been limited by challenges in high-resolution data acquisition. This review highlights the transformative impact of cryogenic electron microscopy (cryo-EM) in the structural determinations of GPCR-G-protein complexes. Specific technologies such as nanobodies and mini-G-proteins stabilize complexes and facilitate structural determination. We discuss the structural alterations upon receptor activation in different GPCR classes, revealing their diverse mechanisms. These cryo-EM structures provide a robust foundation for comprehending GPCR function and pave the way for future breakthroughs in drug discovery and therapeutic targeting.
G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans and are categorized into six classes (A-F) that play indispensable roles in cellular communication and therapeutics. Nonetheless, their structural comprehension has been limited by challenges in high-resolution data acquisition. This review highlights the transformative impact of cryogenic electron microscopy (cryo-EM) on the structural determinations of GPCR-G-protein complexes. Specific technologies, such as nanobodies and mini-G-proteins, stabilize complexes and facilitate structural determination. We discuss the structural alterations upon receptor activation in different GPCR classes, revealing their diverse mechanisms. This review highlights the robust foundation for comprehending GPCR function and pave the way for future breakthroughs in drug discovery and therapeutic targeting.G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans and are categorized into six classes (A-F) that play indispensable roles in cellular communication and therapeutics. Nonetheless, their structural comprehension has been limited by challenges in high-resolution data acquisition. This review highlights the transformative impact of cryogenic electron microscopy (cryo-EM) on the structural determinations of GPCR-G-protein complexes. Specific technologies, such as nanobodies and mini-G-proteins, stabilize complexes and facilitate structural determination. We discuss the structural alterations upon receptor activation in different GPCR classes, revealing their diverse mechanisms. This review highlights the robust foundation for comprehending GPCR function and pave the way for future breakthroughs in drug discovery and therapeutic targeting.
Author Shihoya, Wataru
Sano, Fumiya K
Iwama, Aika
Nureki, Osamu
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  givenname: Fumiya K
  surname: Sano
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  givenname: Osamu
  surname: Nureki
  fullname: Nureki, Osamu
  organization: Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113-0033, Japan
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Keywords Cryo-EM
Structural biology
G-protein-coupled receptor
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Snippet G-protein-coupled receptors (GPCRs) constitute a prominent superfamily in humans, and are categorized into six classes (A through F) that play indispensable...
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