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.

 The number of binding sites was not significantly modified .
binding sites

 Although the enhanced NK cell activity and LDCC were closely associated with high levels ( greater than 31 fmol / mg ) of estrogen receptor ( ER ) content in the primary tumor , no other clinical or histologic correlation between the increase in either parameter of cytotoxic effector cell function could be found .
estrogen receptor

 These data further suggest that Bright may contribute to increased gene expression by remodeling the immunoglobulin locus during B cell development .

immunoglobulin locus

