Figure 2.
![Figure 2. Time course and concentration dependence of [3H]-l-arginine uptake by K562 cells. (A) Uptake of [3H]-l-arginine by K562 cells over 20 minutes was measured at 37°C and pH 7.4. • and ○ represent the uptake in the presence and absence of Na+ (replaced with N-methylglucamine), respectively. Points are means of 4 independent experiments, and error bars indicate SE. (B) Eadie-Hofstee plot of [3H]-l-arginine uptake by K562 cells. The best-fit nonlinear least-squares regression lines were obtained using MULTI.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/107/4/10.1182_blood-2005-08-3166/2/zh80040691210002.jpeg?Expires=1724246360&Signature=TJ05JUenkmCrZmmAAzKIyKPppo0ETpdSQOyy1Iymig8deou4kP5rIQwvCtV2x0kA-29C-iYSZR5nP8AP3JpyrnZmYq3qMxsiFPrGEOFfDfGi0htPU4U50TpF-HSwlamwVMmnM9oxAJ8uAqqmeKTz3D57TBGnVJyJJRz0A7015XtYkvB9LQJ7~ssaAP2WgYw5KJi5j~vMnANWkdjMUaIHyiV-jJDznVCto35~Z147GvvVHJgU0D275zJBU7q1S3lHk93ui1aPJcX626ksZEj9mx63tMaVKStHyyFttFp6eWRS11vQU4lVshMpO8G3yMoVJuqnDPk9TGXJa2cT8aE4Uw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Time course and concentration dependence of [3H]-l-arginine uptake by K562 cells. (A) Uptake of [3H]-l-arginine by K562 cells over 20 minutes was measured at 37°C and pH 7.4. • and ○ represent the uptake in the presence and absence of Na+ (replaced with N-methylglucamine), respectively. Points are means of 4 independent experiments, and error bars indicate SE. (B) Eadie-Hofstee plot of [3H]-l-arginine uptake by K562 cells. The best-fit nonlinear least-squares regression lines were obtained using MULTI.
