Assertion: adenosine deaminase | /r/CapableOf | bridge a 2a r
Facets:
value: in a narrow range of concentrations
type: LOCATION
Source sentences:
text: The results shown in Figure 4A show that ADA bridges CD26 and A 2A R in a narrow range of concentrations, and the optimal ADA concentration required to observe the ternary complex is around 1–3 μg/ml.