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.

[EX Q]:  The unusual properties of TRAC activity and its relationship , if any , with the enigmatic Ku protein , are discussed .
[EX A]: Ku protein

[EX Q]:  Phytohemagglutinin ( PHA ) , the seed lectin of the common bean , accumulates in protein storage vacuoles of storage parenchyma cells in cotyledons .
[EX A]: seed lectin

[EX Q]:  This difference between SP - 1 and SP - 2 peptides was not due to their differential uptake by cell , since approximately 100 times more SP - 2 peptide could be found in cytoplasmic extracts than SP - 1 peptide in experiments using radiolabeled peptides .
[EX A]:
SP - 1