Spatial Organization of Four hnRNP Proteins in Relation to Sites of Transcription, to Nuclear Speckles, and to Each Other in Interphase Nuclei and Nuclear Matrices of HeLa Cells

RNA polymerase II transcripts are complexed with heterogeneous nuclear ribonucleoprotein (hnRNP) proteins. These proteins are involved in several aspects of the maturation and transport of hnRNA. We performed a detailed study of the spatial distribution of four hnRNP proteins (hnRNP C, I, L, and U)...

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