Instructions: 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: Erythroid Kruppel - like factor ( EKLF ) is a red cell - specific transcriptional activator that is crucial for consolidating the switch to high levels of adult beta - globin expression during erythroid ontogeny .
Output:
transcriptional activator