Definition: 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: The mononuclear phagocytes contained approximately equal to 4 - - 10 X 10 ( 3 ) high affinity receptor sites per cell , with dissociation constants of approximately equal to 2 - - 8 nM dexamethasone .
Output:
receptor sites