TASK DEFINITION: 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.
PROBLEM:  T cell stage - specific PcG expression profiles suggest that PcG genes contribute to regulation of T cell differentiation .

SOLUTION: PcG genes

PROBLEM:  The mutations are linked to transcription initiation , but non - Ig promoters are permissible for the mutation process ; thus , other genes expressed in mutating B cells may also be subject to somatic hypermutation .

SOLUTION: Ig promoters

PROBLEM:  While LTRs which demonstrated the highest activities in U - 373 MG cells also yielded high activities in Jurkat cells , the LTRs were generally more active in Jurkat cells when compared to the LAI LTR .

SOLUTION:
LAI LTR