An investigation of the zinc binding characteristics of the RING finger domain from the human RBBP6 protein using heteronuclear NMR spectroscopy.
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Retinoblastoma binding prot ein 6 (RBBP6) is a 250 kDa human splicing-associated protein that is also known to interact with tumour suppresso r proteins p53 and pRb and to mediate ubiquitination of p53 via its intera ction with Hdm2. RBBP6 is highly up regulated in oesophageal cancer, and has been shown to be a promising target for immunotherapy against the disease. RBBP6 is also known to play a role in mRNA splicing, cell cycle control and apoptosis.