G protein signaling pathways (Canis familiaris)

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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

HomologyConvert 

This pathway was inferred from Homo sapiens pathway WP35(r20751) with a 85% conversion rate.