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 Q]:  Core - binding factor beta ( CBFbeta ) is the non - DNA - binding subunit of the heterodimeric CBFs .
[EX A]: heterodimeric CBFs

[EX Q]:  Overall , the phenotype observed in XHM - ED patients shows that the putative zinc - finger domain of NEMO has a regulatory function and demonstrates the definite requirement of CD40 - mediated NF - kappaB activation for B cell immunoglobulin class - switching .
[EX A]: NF - kappaB

[EX Q]:  CD80 induced higher levels of IL - 2 promoter - enhancer activity compared to CD86 .
[EX A]:
IL - 2