TY - RPRT TI - Mutations in conserved intron sequences affect multiple steps in the yeast splicing pathway, particularly assembly of the spliceosome. AU - U Vijayraghavan AU - R Parker AU - J Tamm AU - Y Iimura AU - J Rossi AU - J Abelson AU - C Guthrie PY - 1986 DO - 10.1002/j.1460-2075.1986.tb04412.x UR - https://pubmed.ncbi.nlm.nih.gov/3017708/ ID - 3017708 ER -