PR:000001379 interleukin-2 aldesleukin|IL-2|IL2|T-cell growth factor|TCGF has_part Pfam:PF00715 Interleukin 2 PIRSF:PIRSF001938 ISS PIRSF:PIRSF001938 PIRSF:PIRSF001938 20090326 PRO:CNA