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:
The combination of ICP47 and US11 rendered fibroblasts negative for surface class I MHC and allowed a class I MHC - low population of T cells to be sorted by flow cytometry .
answer:
class I MHC

question:
The expected products of the cloned bph genes , except bphA3 , were observed in E . coli in an in vitro transcription - translation system .
answer:
bph genes

question:
Serum creatinine kinase activity was 7 , 800 - 17 , 500 U / l , making acute muscle damage likely , probably rhabdomyolysis .
answer:
creatinine kinase