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:  Hetero - oligomerization of Smad4 with the pathway - restricted SMAD proteins is essential for Smad4 - mediated transcription .

Output: SMAD proteins


Input: Consider Input:  A DNA fragment that complements the uvs - 2 mutation was subcloned by monitoring its ability to transform the uvs - 2 mutant to MMS resistance .

Output: uvs - 2


Input: Consider Input:  Unlike CSK , the SH3 domain of HYL was unique since the ALYDY motif was absent .


Output: SH3 domain