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 Input:
We suggest that the responses to types I and II collagen were caused by a cross - reaction with type III collagen peptides .

Ex Output:
type III collagen

Ex Input:
Role of zinc - finger proteins Sp1 and zif268 / egr - 1 in transcriptional regulation of the human synaptobrevin II gene .

Ex Output:
egr - 1

Ex Input:
[ ( OP ) 2Cu ] + also detected protections in the C alpha - helix , the interdomain hinge , and beta - strands 2 - 7 .

Ex Output:
C alpha