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.

Input: Consider Input: Uptake of colicins required different domains in TonB , for colicin B and M around residue 160 and for colicin Ia , a domain closer to the C - terminal end .

Output: colicin Ia

Input: Consider Input: Recently , we and other laboratories have identified a family of caveolin - related proteins ; caveolin has been re - termed caveolin - 1 .

Output: caveolin - 1

Input: Consider Input: Human parvovirus B19 gene expression from the viral p6 promoter ( B19p6 ) is restricted to primary human hematopoietic cells undergoing erythroid differentiation .
Output: viral p6 promoter