>1bbn_A mol:protein length:133  INTERLEUKIN-4
EAEAHKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKDTTEKETFCRAATVLRQF
YSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEADQSTLENFLE
RLKTIMREKYSKCSS