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.

[Q]: To clone cDNAs for the beta subunit of rabbit eIF - 2B , amino acid sequence data was first obtained and used to design redundant oligonucleotide primers for use in PCR .
[A]: eIF - 2B

[Q]: Like troponin Cs and calmodulins , PfCPK also contains four EF hand calcium - binding motifs .
[A]: troponin Cs

[Q]: In this report , we identify Tyr319 as a functionally important phosphorylation site in the ZAP - 70 interdomain B region .
[A]:
ZAP - 70