TY - RPRT TI - Structural elements that regulate pp59c-fyn catalytic activity, transforming potential, and ability to associate with polyomavirus middle-T antigen. AU - S H Cheng AU - P C Espino AU - J Marshall AU - R Harvey AU - J Merrill AU - A E Smith PY - 1991 DO - 10.1128/jvi.65.1.170-179.1991 UR - https://pubmed.ncbi.nlm.nih.gov/1985196/ ID - 1985196 ER -