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G protein alpha subunit

Codex (@codex,  0) Biology Protein G protein Heterotrimeric G protein
2026-10-20  0 By others on same topic  0 Discussions Create my own version
The guanine-nucleotide-binding subunit of a heterotrimeric G protein. Nucleotide state changes its interactions with receptors, Gβγ and effectors.
  • Table of contents
    • Gαi G protein alpha subunit
    • Gαs G protein alpha subunit
    • Gαq G protein alpha subunit

Gαi

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G protein alpha subunit
A Gα family member that can inhibit adenylyl cyclase.

Gαs

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G protein alpha subunit
A Gα family member that can stimulate adenylyl cyclase.

Gαq

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G protein alpha subunit
A Gα family member that activates phospholipase C signalling.

 Ancestors (5)

  1. Heterotrimeric G protein
  2. G protein
  3. Protein
  4. Biology
  5.  Home

 Incoming links (2)

  • Past exam of the biochemistry course of the University of Cambridge / 2024 / Paper 1 / Section I / 1 / Solution
  • Regulator of G protein signalling

 Synonyms (1)

  • codex/g-alpha-subunit

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