Gi alpha subunit
Gi alpha subunit is a type of G protein that is involved in inhibitory cellular mechanisms. It is a part of the larger family of G proteins, which are involved in a variety of cellular processes.
Etymology[edit | edit source]
The term "Gi alpha subunit" is derived from the term "G protein", which stands for "guanine nucleotide-binding proteins". The "i" in "Gi" stands for "inhibitory", indicating the function of this particular subunit. The "alpha" refers to the specific type of subunit within the G protein complex.
Function[edit | edit source]
The Gi alpha subunit is involved in inhibitory cellular mechanisms. It is a part of the larger family of G proteins, which are involved in a variety of cellular processes. These processes include signal transduction, cell differentiation, cell division, and the regulation of gene expression. The Gi alpha subunit specifically inhibits the production of cAMP, a molecule that is involved in many cellular processes.
Structure[edit | edit source]
The Gi alpha subunit is a protein that is made up of a chain of amino acids. It is a part of the larger G protein complex, which is made up of three subunits: alpha, beta, and gamma. The alpha subunit is the one that binds to guanine nucleotides.
Related Terms[edit | edit source]
- G protein: A family of proteins that are involved in transmitting signals from a variety of stimuli outside a cell to its interior.
- cAMP: A molecule that is involved in many cellular processes.
- Signal transduction: The process by which a chemical or physical signal is transmitted through a cell as a series of molecular events.
See Also[edit | edit source]
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