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.

 The MIC90 of ABK against coagulase type IV strains was rather high , 12 . 5 micrograms / ml .
coagulase type IV

 A regulatory element of the empty spiracles homeobox gene is composed of three distinct conserved regions that bind regulatory proteins .
empty spiracles

 A simple procedure for accurate quantitation of factor VIII inhibitors .

factor VIII