All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.402 GTP-Binding Protein Regulators D020555 +
 D12.776.402.300 Guanine Nucleotide Exchange Factors D020662 +
 D12.776.402.150 GTPase-Activating Proteins D020690 +
 D12.776.402.225 Guanine Nucleotide Dissociation Inhibitors D020730