TY - GEN AU - Tarn,W Y AU - Steitz,J A TI - Modulation of 5' splice site choice in pre-messenger RNA by two distinct steps SN - 0027-8424 PY - 1995///0511 KW - Blotting, Western KW - Cell Nucleus KW - metabolism KW - Cross-Linking Reagents KW - Furocoumarins KW - HeLa Cells KW - Humans KW - Oligodeoxyribonucleotides KW - Protein Binding KW - RNA Precursors KW - isolation & purification KW - RNA Splicing KW - Ribonucleoprotein, U1 Small Nuclear N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1073/pnas.92.7.2504 ER -