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:  The non - major histocompatibility complex ( MHC ) - encoded CD1 family has recently emerged as a new antigen - presenting system that is distinct from either MHC class I or class II molecules .

A: CD1 family
****
Q:  The LT - beta gene is expressed in lymphoid cells and organs , but little is known about its inducible regulation .

A: LT - beta
****
Q:  Binding of C / EBPs to all three spi 2 . 3 3 ' UTR repressor sites , although rather weak , was confirmed by electrophoretic mobility shift assays that otherwise failed to reveal specific interactions with other liver nuclear proteins in vitro .

A:
C / EBPs
****