TY - RPRT TI - Upstream stimulatory factor regulates major histocompatibility complex class I gene expression: the U2DeltaE4 splice variant abrogates E-box activity. AU - T K Howcroft AU - C Murphy AU - J D Weissman AU - S J Huber AU - M Sawadogo AU - D S Singer PY - 1999 DO - 10.1128/mcb.19.7.4788 UR - https://pubmed.ncbi.nlm.nih.gov/10373528/ ID - 10373528 ER -