The G-protein Ras is involved in proliferative signaling, and is mutated is a large fraction of human cancers. Almost all mutations in Ras mutate the glycine at codon 12. These mutations lock Ras in an active conformation. How will the GTPase activity of a Ras protein with a G12 mutation compare to a normal Ras protein without the mutation? (10 words maximum)

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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The G-protein Ras is involved in proliferative signaling, and is mutated is a large fraction of human cancers. Almost all mutations in Ras mutate the glycine at codon 12. These mutations lock Ras in an active conformation. How will the GTPase activity of a Ras protein with a G12 mutation compare to a normal Ras protein without the mutation? (10 words maximum)

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