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]:  The BHV - 1 UL24 , UL25 , UL26 and UL26 . 5 transcripts all terminated at a common 3 ' - polyadenylation site and varied significantly in their relative abundance .
[A]: UL26 . 5


[Q]:  Detailed comparison of the sequences of cp35 and human calpactin II shows that the only substantial sequence dissimilarity is a domain encoding amino acids between residues 20 and 40 which includes a tyrosine phosphorylation site in the human molecule , along with other residues of possible physiological significance .
[A]: human calpactin II


[Q]:  Evidence for involvement of proteins HU and RpoS in transcription of the osmoresponsive proU operon in Escherichia coli .
[A]:
proU operon