TASK DEFINITION: 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.
PROBLEM:  Symptoms , skin - prick tests ( SPT ) with environmental allergens and Pt salt , total serum IgE , lung function , and bronchial hyperresponsiveness were assessed by standard procedures .

SOLUTION: serum IgE

PROBLEM:  Upstream of the afa - 3 gene cluster , a 1 . 2 - kb region was found to be 96 % identical to the RepFIB sequence of one of the enterotoxigenic E . coli plasmids ( P307 ) , suggesting a common ancestor plasmid .

SOLUTION: RepFIB sequence

PROBLEM:  Several of the drugs used in the management of MAC have been associated with significant drug interactions involving the cytochrome P450 ( CYP ) enzyme system .

SOLUTION:
cytochrome P450