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.

Q:  Biochemical characterization of MIP - 1 alpha nuclear protein .

A: nuclear protein
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Q:  Virus infection does not appear to alter the amount of RelA ( p65 ) or NFKB1 ( p50 ) but rather affects the capacity of I kappa B alpha to sequester RelA ( p65 ) , therefore leading to constitutive levels of RelA DNA binding activity and to increased levels of NF - kappa B - dependent gene activity .

A: I kappa B
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Q:  These results suggested that BMP - 2 might activate p21 ( CIP1 / WAF1 ) transcription by inducing a binding of Smad4 and Smad1 to the 29 - b region in HS - 72 cells .

A:
BMP - 2
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