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]:  Fulminant hepatic failure in these cases could be characterized by : ( 1 ) rapid decrease in serum alanine transaminase ( ALT ) level after discontinuation of ecarazine , ( 2 ) prolonged jaundice despite discontinuation of ecarazine , ( 3 ) high incidence of anti - nuclear antibody ( ANA ) ( 57 % ) , and ( 4 ) histological findings of extensive hepatocellular necrosis ranging from bridging necrosis to massive necrosis .
[EX A]: serum alanine transaminase

[EX Q]:  This ligand - independent pathway can function through another androgen - regulated promoter as shown by the use of the mouse mammary tumor virus MMTV - CAT reporter .
[EX A]: CAT reporter

[EX Q]:  Administration of SnCl2 and ZnSO4 ( group V ) resulted in a decrease of ALA - D activity and in an increase in CP - U .
[EX A]:
ALA - D