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:
 Promoter activity of the proliferating - cell nuclear antigen gene is associated with inducible CRE - binding proteins in interleukin 2 - stimulated T lymphocytes .

Ex Output:
interleukin 2


Ex Input:
 Antisense oligonucleotides complementary to the 5 ' end of PKC - zeta mRNA sequences significantly reduced the collagen lattice - stimulated alpha2 and MMP - 1 mRNA levels .

Ex Output:
MMP - 1


Ex Input:
 The NrfC polypeptide , M ( r ) 24 , 567 , contains 16 cysteine residues arranged in four clusters typical of the CooF super - family of non - haem iron - sulphur proteins .

Ex Output:

NrfC polypeptide