. "Caudy, M"^^ . "Ohsako, S"^^ . "Fisher, AL"^^ . "PubMed"^^ . "8649374"^^ . "Mol Cell Biol 16:2670-7"^^ . "The WRPW motif of the hairy-related basic helix-loop-helix repressor proteins acts as a 4-amino-acid transcription repression and protein-protein interaction domain"^^ . "1996"^^ .