uridine influx by both components was saturable ( km 300 +/- 51 and 214 +/- 23 microm , and vmax . 12 +/- 3 and 16 +/- 3 pmol/s per mg of protein , for nbmpr-sensitive and nbmpr-insensitive components respectively ) , and inhibited by other nucleosides such as 2-chloroadenosine , adenosine , inosine , thymidine and guanosine with similar ic50 values for the two components .
C0000275
2-chloroadenosine
C0001443
adenosine