Q: 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.
Forty - seven of 50 patients with leukemic cells containing more than 6 , 000 receptor sites and 22 of 36 patients with cells containing less than 6 , 000 receptor sites achieved remission .
A:
receptor sites