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.

 We conclude that Hip is not a component of the assembly machinery but that it could play a regulatory role in opposition to BAG - 1 .
BAG - 1

 Recent studies have increasingly implicated the proteasome in the regulation of cell surface receptors .
cell surface receptors

 During the early stages of chicken embryogenesis ( well before blood island formation ) , each of the GATA family members is transcribed with a unique temporal and spatial pattern .

GATA family members