Assertion: adenosine | /r/CapableOf | act on four well-conserved receptors
Facets:
value: evolutionarily
type: MANNER
Source sentences:
text: Although adenosine acts on four evolutionarily well-conserved receptors present on most cells, it is believed to modulate sleep need and arousal by acting through A 1 and A 2A receptors (A 1 Rs and A 2A Rs), respectively.