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.

Example Input:  Catalytically active Syk promotes and stabilizes the formation of tightly capped BCR complexes at the plasma membrane .
Example Output: BCR complexes

Example Input:  A nonpeptidyl small molecule SB 247464 , capable of activating granulocyte - colony - stimulating factor ( G - CSF ) signal transduction pathways , was identified in a high - throughput assay in cultured cells .
Example Output: G - CSF

Example Input:  When binding assays were carried out at physiologic temperature there was the same decrease in number of binding sites after dexamethasone administration , and in addition , there was a two - fold increase in binding affinity .
Example Output:
binding sites