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:  Presently , we made chain pair switch , chimeric , and site mutant gamma delta TCRs and transfected them into TCR - mutant Jurkat T cells to examine the effects of changing the TCR gamma junctional region sequences on reactivity to prenyl pyrophosphate Ags .

Output: prenyl pyrophosphate Ags


Input: Consider Input:  Elements regulating cell - and stage - specific expression of the C . elegans MyoD family homolog hlh - 1 .

Output: hlh - 1


Input: Consider Input:  BACKGROUND : Recent iterative methods for sequence alignment have indicated that the 380 kDa motor unit of dynein belongs to the AAA class of chaperone - like ATPases .


Output: AAA class