Sanchez CH, Reith W, Silacci P, Mach B. The DNA-Binding Defect Observed in Major Histocompatibility Complex Class II Regulatory Mutants Concerns Only One Member of a Family of Complexes Binding to the X Boxes of Class II Promoters. Molecular and Cellular Biology. 1992 Sep 01;12(9):4076–83. doi: 10.1128/mcb.12.9.4076-4083.1992.
The DNA-binding defect observed in major histocompatibility complex class II regulatory mutants concerns only one member of a family of complexes binding to the X boxes of class II promoters.