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.
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Question: Inhibition of Raf - 1 signaling by a monoclonal antibody , which interferes with Raf - 1 activation and with Mek substrate binding .

Answer: Raf - 1

Question: A significant difference in the distribution of antibodies to thyroglobulin and thyroid peroxidase was found in subgroup 2 .

Answer: thyroid peroxidase

Question: Subclones of R15 which reverted to kappa light chain production contained genomic deletions of R15ns and / or the surrounding intron .

Answer:
kappa light chain