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.

Q:  Promoter elements and transcriptional control of the mouse acetylcholinesterase gene .

A: mouse acetylcholinesterase gene
****
Q:  In cotransfection assays , a small fragment of Sin retaining the Src - SH3 - binding site and one tyrosine - containing motif induced c - Src activation as measured by a transcriptional reporter .

A: c - Src
****
Q:  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 .

A:
class I MHC
****