A Family of Novel DNA-Binding Nuclear Proteins Having Polypyrimidine Tract-Binding Motif and Arginine/Serine-Rich Motif

NP220 is a DNA-binding nuclear protein originally cloned from human cell lines. Human NP220 (hNP220) has an arginine/serine-rich motif found in non-small nuclear RNP splicing factors (SR proteins) and shares three domains (MH1, MH2 and MH3) with an acidic nuclear matrix protein, matrin 3. The MH2 do...

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