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A mutation in the putative Mg(2+)-binding site of Gs alpha prevents its activation by receptors.

The properties of a Gs alpha mutant with an Asn substituted for Ser at position 54, designated mutant 54Asn alpha s, were studied after expression in S49 alpha s-deficient (cyc-) cells. Ser-54 in alpha s is comparable to Ser-17 in Ras, which is involved in binding Mg2+ associated with bound nucleoti...

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Bibliografiske detaljer
Main Authors: Hildebrandt, J D, Day, R, Farnsworth, C L, Feig, L A
Format: Artigo
Sprog:Inglês
Udgivet: 1991
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC361450/
https://ncbi.nlm.nih.gov/pubmed/1656212
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