analogs of interleukin 2 containing defined amino acid substitutions and deletions were assayed for bioactivity and for competitive binding to the high-affinity human interleukin 2 receptor complex and its two component subunits , a 55-kda subunit ( p55 or tac ) and a 70-kda subunit ( p70 ) .
C0021756
interleukin 2
C0086418
human