TY - RPRT TI - Widespread exon definition is promoted by the U1 snRNP 70K subunit and requires sites of contact with RNA Polymerase II AU - Bentley, D. AU - Fong, N. AU - Sheridan, R. AU - Erickson, B. AU - Zhao, R. AU - Hoskins, A. AU - Taliaferro, M. PY - 2026 DO - 10.64898/2026.09.07.749963 UR - https://www.biorxiv.org/content/10.64898/2026.09.07.749963v1 ID - 10.64898/2026.09.07.749963 ER -