Immunogen sequence: DRQREGHGRG RGRPEVIQSH SIFEQGPAEM MKKKGNWDKT VDVSDMGPSH IINIKKEKRE TDEE
This gene encodes a protein which interacts with the N-terminal region of BRCA1. In addition to its ability to bind BRCA1 in vivo and in vitro, it shares homology with the 2 most conserved regions of BRCA1: the N-terminal RING motif and the C-terminal BRCT domain. The RING motif is a cysteine-rich sequence found in a variety of proteins that regulate cell growth, including the products of tumor suppressor genes and dominant protooncogenes. This protein also contains 3 tandem ankyrin repeats. The BARD1/BRCA1 interaction is disrupted by tumorigenic amino acid substitutions in BRCA1, implying that the formation of a stable complex between these proteins may be an essential aspect of BRCA1 tumor suppression. This protein may be the target of oncogenic mutations in breast or ovarian cancer.
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Protein Aliases: BN51 (BHK21) temperature sensitivity complementing; BN51T; DNA-directed RNA polymerase III 47 kDa polypeptide; DNA-directed RNA polymerase III subunit D; DNA-directed RNA polymerase III subunit RPC4; polymerase (RNA) III (DNA directed) polypeptide D, 44kDa; polymerase (RNA) III subunit D; Protein BN51; RNA polymerase III 47 kDa subunit; RNA polymerase III subunit C4; RPC4; RPC53 homolog; temperature sensitive complementation, cell cycle specific, tsBN51; TSBN51
Gene Aliases: BN51; BN51T; POLR3D; RPC4; RPC53; TSBN51
UniProt ID: (Human) P05423
Entrez Gene ID: (Human) 661