WDR46: Proteins and Enzymes

WDR46 was originally identified as BING-4, a protein encoded in a gene-rich region of the major histocompatibility complex (MHC). WDR46 has been found to be overexpressed in a subset of melanoma cell lines and is a cancer antigen recognized by lymphocytes. WDR46 bears six WD repeats. The WD repeat is defined by four or more repeating units of a conserved core of approximately 40 amino acids ending with tryptophan-aspartic acid (WD). WD repeats may serve as sites of protein-protein interaction for adaptor proteins and facilitate multiprotein complex formation. WD proteins are involved in a variety of cellular processes. The function of WDR46 has not been characterized.