GTP-Binding Protein alpha Subunits, G12-G13

**Definition:** A ubiquitously expressed family of heterotrimeric GTP-binding protein alpha subunits that signal through interactions with a variety of second messengers as GTPASE-ACTIVATING PROTEINS; GUANINE NUCLEOTIDE EXCHANGE FACTORS; and HEAT SHOCK PROTEINS. The G12-G13 part of the name is also spelled G12/G13.

**Tree numbers:** - D08.811.277.040.330.300.200.100.100 - D12.776.157.325.332.100.100 - D12.776.476.338.200.100.100 - D12.776.543.325.100.100

**Synonyms:** - G-Protein, G12-G13 alpha Subunits - G-Protein, G12-G13 alpha Family