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Contacts of Gα to bound nucleotides. Gαt crystal structures (GDP‐bound: PDB ID: 1TAG [52] (A), GTPγS‐bound: PDB ID: 1TND [51] (C), nucleotides in violet), domain arrangement [84] of Gα proteins (B) and contacts of nucleotides (D) to the P‐loop (blue), RXXTXGI (yellow), DXXG (orange), NKXD (green), TCAT (red), helical domain (cyan) are shown. Dotted lines indicate hydrogen bonds and grey bars van der Waals interactions. Residues are named according to the crystal structures.
