Human M2 muscarinic receptor in complex with Go protein. The 3D structure shows the M2 receptor (in red) embeded in a membrane, the G protein subunits alpha-o (orange), beta (purple) and gamma (pink). This file is created from PDB file <a rel="nofollow" class="external text" href="https://www.rcsb.org/structure/6oik">6OIK</a> and rendered with ChimeraX.
<a href="//commons.wikimedia.org/wiki/User:%C2%B7Solembum%C2%B7" title="User:·Solembum·">·Solembum·</a>
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