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.

[EX Q]: Consistent with this , rh5 expression in R8 disappears when R7 cells are absent ( in sevenless mutant ) .
[EX A]: sevenless mutant

[EX Q]: In vitro DNA binding assays indicate that the elements identified can specifically interact with c - Ets - 1 protein .
[EX A]: Ets - 1

[EX Q]: Mutant p53 DNA clones from human colon carcinomas cooperate with ras in transforming primary rat cells : a comparison of the " hot spot " mutant phenotypes .
[EX A]:
p53 DNA