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.

 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 .
serum alanine transaminase

 Overexpression of wild type and SeCys / Cys mutant of human thioredoxin reductase in E . coli : the role of selenocysteine in the catalytic activity .
human thioredoxin reductase

 Some CHOP - C / EBP heterodimers apparently bind to alternative DNA sequence and thereby regulate the transcription of other genes .

C / EBP