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]:  Penicillamine - induced myasthenia gravis associated with antibodies to acetylcholine receptor .
[A]: acetylcholine receptor


[Q]:  First , a GATA - 1 motif was found to bind nuclear factor ( s ) , presumably the GATA - 1 factor , present in K - 562 cell extracts and in living K - 562 cells .
[A]: GATA - 1


[Q]:  The activation of NF - kappaB - dependent reporter gene transcription by E1A was potently suppressed upon coexpression of the E1B 19 - kDa protein ( 19K ) .
[A]:
NF - kappaB