Assertion: adenosine | /r/CapableOf | act at low concentrations
Facets:
value: primarily
type: DEGREE
Source sentences:
text: A 2A R heteromers seem to work as a concentration-dependent switch (Ferré et al., 2007), with adenosine acting primarily at A 1 Rs at low concentrations, and at both A 1 Rs and A 2A Rs at higher concentrations.