Ring1A is a transcriptional repressor that interacts with the Polycomb-M33 protein and is expressed at rhombomere boundaries in the mouse hindbrain.

J.Schoorlemmer, C. Marcos-Gutiérrez, F. Were, R. Martínez, E. García, D. Satijn, A. Otte and M. Vidal . Ring1A is a transcriptional repressor that interacts with the Polycomb-M33 protein and is expressed at rhombomere boundaries in the mouse hindbrain.. EMBO J. 16, 5930-5942. 1997, Vol. , p. -1997.