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.

 Human alcohol dehydrogenase ( ADH ) exists as a heterogeneous group of isozymes capable of oxidizing a wide variety of aliphatic and aromatic alcohols .
Human alcohol dehydrogenase

 The majority of putative TSC2 mutations were found in sporadic rather than TSC2 - linked families .
TSC2 mutations

 A high titer of anti - HBc , thus suggested to be an indicator of persistent hepatitis B virus infection , was found rarely in seronegative patients with chronic hepatitis , non - alcoholic cirrhosis , or alcoholic liver diseases .

anti - HBc