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G Protein Signaling Pathways

G proteins, short for guanine nucleotide-binding proteins, are a family of proteins involved in second messenger cascades. G proteins are so called because they function as "molecular switches". They alternate from 'inactive' guanosine diphosphate (GDP) to 'active' guanosine triphosphate (GTP), which is a binding state, and which proceeds to regulate downstream cell processes. Source: [[wikipedia:G_protein|Wikipedia]]

from WikiPathways source record: WP35
Type: pathway
Taxonomic scope
organism-specific biosystem
Homo sapiens

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