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]:  Two adjacent , highly homologous endoglucanase genes , celD and celE from Fibrobacter succinogenes S85 , which were separated by an AT - rich 223 - nucleotide intergenic region were characterized .
[EX A]: homologous endoglucanase genes

[EX Q]:  Uptake of colicins required different domains in TonB , for colicin B and M around residue 160 and for colicin Ia , a domain closer to the C - terminal end .
[EX A]: colicin Ia

[EX Q]:  Human alcohol dehydrogenase ( ADH ) exists as a heterogeneous group of isozymes capable of oxidizing a wide variety of aliphatic and aromatic alcohols .
[EX A]:
Human alcohol dehydrogenase