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


question:
 The exon sequences determined from genomic DNA sequencing showed some differences when compared to the published rat GLUT2 cDNA .
answer:
rat GLUT2 cDNA


question:
 In four calves given Haemonchus contortus larvae , the serum pepsinogen concentration rose quickly to reach a mean of 3 . 5 iu tyrosine on day 14 after infection .
answer:

serum pepsinogen