select *; spacefill 23%; wireframe 0.15; color cpk-ball and stick
select *; spacefill 0%; wireframe 0.15; color cpk-wireframe
select *; spacefill only; color cpk-spacefill
select protein; cartoon only;color structure;delete solvent;-secondary structure
hbonds calculate; hbonds on; hbonds 0.15; color hbonds orange-HBonds on
hbonds off-HBonds off
~<h5>The adenosine A<sub>2A</sub> receptor is a transmembrane protein which is believed to regulate myocardial oxygen demand as well as glutamate and dopamine release in the brain. The adenosine receptor seen here is bound to caffeine which is an antagonist to adenosine uptake within the brain. </h5>
