instruction:
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.
question:
 To study the presence of estrogen - binding sites ( EBS ) in the synovial tissues of male and female patients with rheumatoid arthritis ( RA ) and in age - and sex - matched healthy controls .
answer:
binding sites


question:
 E - selectin expression induced by B . fragilis outer membranes was not blocked by polymixin B .
answer:
E - selectin


question:
 This pattern of expression closely mirrored that of GATA - 3 in the same cells .
answer:

GATA - 3