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.

 Cytokine inducibility of VCAM1 in endothelial cells utilizes the interaction of heterodimeric p50 / p65 proteins with IRF - 1 .
IRF - 1

 A lead phthalocyanin method for the demonstration of acid hydrolases in plant and animal tissues .
acid hydrolases

 gp170 is expressed at a level 30 to 50 % of the Env precursor gp130 .

Env precursor