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:  Of 3841 serum samples from sows received from the Tennessee State Diagnostic Laboratory in 1991 - 1992 , 1130 were positive for Toxoplasma gondii antibody .

Answer: Toxoplasma gondii antibody


Question:  These findings also demonstrate that unless excluded by other factors , the C proteins are likely to be located along the length of nascent transcripts .

Answer: C proteins


Question:  K562 erythroleukemia cells stably transfected with constructs containing the human Agamma - globin promoter linked to an enhanced green fluorescent protein ( EGFP ) reporter , with or without HS2 , were analyzed for EGFP expression by flow cytometry .

Answer:
green fluorescent protein