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 Input:
 We cloned the BamHI - F fragment from the left end of Ad4 in pUC13 - 1 between the SalI and BamHI sites in order to carry out the structural analysis of the E1A region of Ad4 .

Ex Output:
BamHI sites


Ex Input:
 Mutations abolishing MalK function not only result in inability to transport maltose but also cause constitutive expression of the maltose regulon .

Ex Output:
maltose regulon


Ex Input:
 These two enhancer elements also enhanced transcription when fused separately to the basal promoter region of the chicken vimentin gene .

Ex Output:

chicken vimentin gene