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Amino acid sequence comparison of the C-terminal regions of G protein α subunits. Identical amino acids are shaded. Conserved Leu-344 and Leu-349 are outlined. Protein sources: b, bovine; h, human; m, mouse; r, rat. Full protein sequences are available from the National Center for Biotechnology Information at http://www.ncbi.nlm.nih.gov/Entrez/protein.html.
