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.

Input: Consider Input: 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 .

Output: CD1 family

Input: Consider Input: Unlike these contaminant - responsive T cells , those that are truly specific for natural AChR epitopes appear less heterogeneous and therefore more suitable targets for selective immunotherapy .

Output: AChR epitopes

Input: Consider Input: Following EGF or NGF stimulation of the v - CrkPC12 cells , the v - Crk protein itself became tyrosine phosphorylated within 1 min .
Output: v - Crk