Guanine Nucleotide-Binding Protein G(k) Subunit Alpha

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Guanine nucleotide-binding protein G(k) subunit alpha (354 aa, ~41 kDa) is encoded by the human GNAI3 gene. This protein plays a role in the regulation of 7-transmembrane domain receptor-dependent signaling pathways.

**Synonyms:** - 87U6 - G Protein Alpha Inhibiting Activity Polypeptide 3 - G(i) Alpha 3 Protein - G(i) Alpha-3 - GNAI3 - Guanine Nucleotide Binding Protein Alpha Inhibiting Activity Polypeptide 3 - Guanine Nucleotide-Binding Protein G(k) Alpha Subunit