TASK DEFINITION: In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
PROBLEM:  The corresponding tetrapeptide sequences SSPD and SATD for human and mouse PKC - epsilon , respectively , are unusual for caspase - 3 .

SOLUTION: caspase - 3

PROBLEM:  Characterization and targeted disruption of murine Nup50 , a p27 ( Kip1 ) - interacting component of the nuclear pore complex .

SOLUTION: murine Nup50

PROBLEM:  The two complexes were detected with a similar activation kinetics upon IL - 4 stimulation .

SOLUTION:
IL - 4