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]:  Decreased plasma level of antithrombin III was assumed to be one of the major factors underlying hypercoagulable state in nephrotic syndrome .
[EX A]: antithrombin III

[EX Q]:  This activity creates a 4 - bp staggered cut with 3 ' OH overhangs within a specific sequence of the 21S rRNA gene of omega - strains .
[EX A]: 21S rRNA gene

[EX Q]:  We also identified a DNA fragment , 10 . 7 kbp upstream from the first coding exon of human aFGF , whose sequence is conserved in both the primate and rodent genomes .
[EX A]:
human aFGF