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]:  The first operon , orf1 - tolQRA , is iron regulated throughout growth , but iron - regulated expression of tolB and oprL fusions occurs only in late log phase .
[EX A]: oprL fusions

[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]:  Serum creatinine kinase activity was 7 , 800 - 17 , 500 U / l , making acute muscle damage likely , probably rhabdomyolysis .
[EX A]:
creatinine kinase