Guanine Nucleotide-Binding Protein G(i) Subunit Alpha-2

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

**Definition:** Guanine nucleotide-binding protein G(i) subunit alpha-2 (355 aa, ~40 kDa) is encoded by the human GNAI2 gene. This protein plays a role in inhibiting adenylate cyclase in response to beta-adrenergic stimuli.

**Synonyms:** - Adenylate Cyclase-Inhibiting G Alpha Protein - G(i) Alpha 2 Protein - G-Protein Alpha Subunit I2 - GNAI2 - Guanine Nucleotide Binding Protein Alpha Inhibiting Activity Polypeptide 2 - Guanine Nucleotide-Binding Protein G(i) Alpha-2 Subunit