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.

Ex Input:
 ( We observed a ferritin value as high as 47 mg / L in one patient . ) Results with all these kits did not inter - compare well for ferritin concentrations greater than 300 micrograms / L , a finding that casts further doubt on the controversial use of serum ferritin measurement in cases of iron overload .

Ex Output:
serum ferritin


Ex Input:
 Unlike these contaminant - responsive T cells , those that are truly specific for natural AChR epitopes appear less heterogeneous and therefore more suitable targets for selective immunotherapy .

Ex Output:
AChR epitopes


Ex Input:
 Vav and Dbl are members of a novel class of oncogene proteins that share significant sequence identity in a approximately 250 - amino - acid domain , designated the Dbl homology domain .

Ex Output:

Dbl homology domain