The TAZ2 domain of CBP binds to other transcription factors such as the p53 tumour suppressor protein, E1A oncoprotein, MyoD, and GATA-1. The zinc coordinating motif that is necessary for binding to target DNA sequences consists of HCCC.

1: Solution structure of the TAZ2 (CH3) domain of the transcriptional adaptor protein CBP De Guzman RN, Liu HY, Martinez-Yamout M, Dyson HJ, Wright PE; J Mol Biol 2000;303:243-253. PMID:11023789

2: Cooperativity in transcription factor binding to the coactivator CREB-binding protein (CBP). The mixed lineage leukemia protein (MLL) activation domain binds to an allosteric site on the KIX domain. Goto NK, Zor T, Martinez-Yamout M, Dyson HJ, Wright PE; J Biol Chem 2002;277:43168-43174. PMID:12205094

3: Interaction of the TAZ1 domain of CREB-binding protein with the activation domain of CITED2: Regulation by competition between intrinsically unstructured ligands for non-identical binding sites. De Guzman RN, Martinez-Yamout MA, Dyson HJ, Wright PE; 0;0:0-0. PMID:14594809

4: Structural basis for Hif-1 alpha /CBP recognition in the cellular hypoxic response. Dames SA, Martinez-Yamout M, De Guzman RN, Dyson HJ, Wright PE; Proc Natl Acad Sci U S A 2002;99:5271-5276. PMID:11959977