| 摘要 |
A protein which comprises the sane or substantially the same amino acid sequence as that represented by SEQ ID NO:1, its partial peptide and their salts are disclosed. DNA encoding the protein or its partial peptide is also disclosed. The protein, its partial peptide or a salt thereof is an inhibitory factor of a transcription factor and, therefore, it is useful as medicine such as prophylactic and therapeutic drugs of, for example, tumors. The DNA is useful as a gene diagnosing drug. The antibody against the protein, etc. is also disclosed. The antibody is used for, for example, quantitative determination of the protein, etc. in a specimen fluid. The protein, etc. are also useful as a reagent for screening for compounds or their salts which promote the function of the protein, etc.
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