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.

 Parathyroid hormone responses of cyclic AMP - , serum - and phorbol ester - responsive reporter genes in osteoblast - like UMR - 106 cells .
Parathyroid hormone

 Furthermore , the rapid light - mediated increase of CPRF proteins was insensitive to transcriptional inhibitors , suggesting that a post - transcriptional mechanism controls CPRF accumulation .
CPRF proteins

 Whereas mutant 6C4 specified a wild - type - size Pol protein , we detected no full - length Pol protein in 7E4 - infected cell extracts .

mutant 6C4