NP_001167559.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
154,892 Da
NCBI Official Full Name
nuclear receptor coactivator 3 isoform d
NCBI Official Synonym Full Names
nuclear receptor coactivator 3
NCBI Official Synonym Symbols
ACTR; AIB1; RAC3; SRC3; pCIP; AIB-1; CTG26; SRC-3; CAGH16; KAT13B; TNRC14; TNRC16; TRAM-1; bHLHe42 [Similar Products]
NCBI Protein Information
nuclear receptor coactivator 3
UniProt Protein Name
Nuclear receptor coactivator 3
UniProt Synonym Protein Names
ACTR; Amplified in breast cancer 1 protein; AIB-1; CBP-interacting protein; pCIP; Class E basic helix-loop-helix protein 42; bHLHe42; Receptor-associated coactivator 3; RAC-3; Steroid receptor coactivator protein 3; SRC-3; Thyroid hormone receptor activator molecule 1; TRAM-1
UniProt Synonym Gene Names
AIB1; BHLHE42; RAC3; TRAM1; NCoA-3; AIB-1; pCIP; bHLHe42; RAC-3; SRC-3; TRAM-1 [Similar Products]
NCBI Summary for AIB1
The protein encoded by this gene is a nuclear receptor coactivator that interacts with nuclear hormone receptors to enhance their transcriptional activator functions. The encoded protein has histone acetyltransferase activity and recruits p300/CBP-associated factor and CREB binding protein as part of a multisubunit coactivation complex. This protein is initially found in the cytoplasm but is translocated into the nucleus upon phosphorylation. Several transcript variants encoding different isoforms have been found for this gene. In addition, a polymorphic repeat region is found in the C-terminus of the encoded protein. [provided by RefSeq, Mar 2010]
UniProt Comments for AIB1
SRC-3: a histone acetyltransferase and nuclear receptor coactivator. Plays a central role in creating a multisubunit coactivator complex, which probably acts via remodeling of chromatin. Involved in the coactivation of different nuclear receptors, such as for steroids (GR and ER), retinoids (RARs and RXRs), thyroid hormone (TRs), vitamin D3 (VDR) and prostanoids (PPARs). Involved in the coactivation of the NF-kappa-B pathway via its interaction with the NFKB1 subunit. Activity is enhanced by various hormones and TNF. Acetylation by CREBBP may suppress coactivation of target genes by disrupting its association with nuclear receptors. Frequently amplified or overexpressed in breast and ovarian cancers. Five alternatively spliced isoforms have been described.
Protein type: Acetyltransferase; EC 2.3.1.48; Motility/polarity/chemotaxis; Nuclear receptor co-regulator; Transcription, coactivator/corepressor
Chromosomal Location of Human Ortholog: 20q13.12
Cellular Component: cytoplasm; nuclear chromatin; nucleoplasm; nucleus
Molecular Function: histone acetyltransferase activity; ligand-dependent nuclear receptor binding; ligand-dependent nuclear receptor transcription coactivator activity; nuclear hormone receptor binding; protein binding; protein N-terminus binding; transcription coactivator activity
Biological Process: intracellular receptor-mediated signaling pathway; positive regulation of keratinocyte differentiation; positive regulation of transcription from RNA polymerase II promoter
Research Articles on AIB1
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Pathways associated with anti-AIB1 antibody
Diseases associated with anti-AIB1 antibody
Organs/Tissues associated with anti-AIB1 antibody
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