[family of small membrane-bound proteins which, in the presence of GTP/GDP, transduce signals from receptor to effector molecules across the membrane; do not use for other guanine nucleotide binding proteins. ( CSP )]
UMLS (CSP) C0086376 - Amino Acid, Peptide, or Protein
- Enzyme
Relation/PAR: guanine nucleotide binding protein
Relation/CHD: transducin
exchange factor