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.
We describe mutations in the putative zinc - finger domain of NEMO that result in an X - linked primary immunodeficiency characterized by hyper - IgM syndrome and hypohydrotic ectodermal dysplasia ( XHM - ED ) .
A:
hyper - IgM