Q: 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.
 Although CD8 - / - C57BL / 6 demonstrated no decreased survival in our HK - vaccinated model , a lack of potential endogenous protein production by HK B . mallei may have contributed to limited MHC - I presentation .
A:
B . mallei