GTP-Binding Protein beta Subunits

**Definition:** Heterotrimeric GTP-binding protein subunits that tightly associate with GTP-BINDING PROTEIN GAMMA SUBUNITS. A dimer of beta and gamma subunits is formed when the GTP-BINDING PROTEIN ALPHA SUBUNIT dissociates from the GTP-binding protein heterotrimeric complex. The beta-gamma dimer can play an important role in signal transduction by interacting with a variety of second messengers.

**Tree numbers:** - D12.644.360.325.038 - D12.776.157.325.332.520 - D12.776.476.338.200.450 - D12.776.543.325.450

**Synonyms:** - GTP-Binding Protein beta Subunit - G-Protein beta Subunit