NP_004630.3
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NCBI GenBank Nucleotide #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
113,456 Da
NCBI Official Full Name
large proline-rich protein BAG6 isoform a
NCBI Official Synonym Full Names
BCL2 associated athanogene 6
NCBI Protein Information
large proline-rich protein BAG6
UniProt Protein Name
Large proline-rich protein BAG6
UniProt Synonym Protein Names
BAG family molecular chaperone regulator 6; BCL2-associated athanogene 6; BAG-6; BAG6; HLA-B-associated transcript 3; Protein G3; Protein Scythe
UniProt Synonym Gene Names
UniProt Entry Name
BAG6_HUMAN
NCBI Summary for BAT3
This gene was first characterized as part of a cluster of genes located within the human major histocompatibility complex class III region. This gene encodes a nuclear protein that is cleaved by caspase 3 and is implicated in the control of apoptosis. In addition, the protein forms a complex with E1A binding protein p300 and is required for the acetylation of p53 in response to DNA damage. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Comments for BAT3
BAT3: Chaperone that plays a key role in various processes such as apoptosis, insertion of tail-anchored (TA) membrane proteins to the endoplasmic reticulum membrane and regulation of chromatin. Acts in part by regulating stability of proteins and their degradation by the proteasome. Participates in endoplasmic reticulum stress-induced apoptosis via its interaction with AIFM1/AIF by regulating AIFM1/AIF stability and preventing its degradation. Also required during spermatogenesis for synaptonemal complex assembly via its interaction with HSPA2, by inhibiting polyubiquitination and subsequent proteasomal degradation of HSPA2. Required for selective ubiquitin-mediated degradation of defective nascent chain polypeptides by the proteasome. In this context, may play a role in immuno-proteasomes to generate antigenic peptides via targeted degradation, thereby playing a role in antigen presentation in immune response. Key component of the BAG6/BAT3 complex, a cytosolic multiprotein complex involved in the post-translational delivery of tail-anchored (TA) membrane proteins to the endoplasmic reticulum membrane. TA membrane proteins, also named type II transmembrane proteins, contain a single C-terminal transmembrane region. BAG6/BAT3 acts by facilitating TA membrane proteins capture by ASNA1/TRC40: it is recruited to ribosomes synthesizing membrane proteins, interacts with the transmembrane region of newly released TA proteins and transfers them to ASNA1/TRC40 for targeting to the endoplasmic reticulum membrane. Component of the BAT3 complex, at least composed of BAG6/BAT3, UBL4A and GET3/TRC35. Interacts with AIFM1, CTCFL, HSPA2 and p300/EP300. Interacts with ricin A chain. Interacts with L.pneumophila proteins Lpg2160 and LegU1. Interacts with NCR3. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Apoptosis; Chaperone; Ubiquitin conjugating system; Cell cycle regulation
Chromosomal Location of Human Ortholog: 6p21.3
Cellular Component: cytoplasm; cytosol; intracellular membrane-bound organelle; membrane; nucleoplasm; nucleus
Molecular Function: Hsp70 protein binding; misfolded protein binding; polyubiquitin binding; protein binding; ribosome binding; ubiquitin protein ligase binding
Biological Process: brain development; cell differentiation; chromatin modification; DNA damage response, signal transduction by p53 class mediator resulting in induction of apoptosis; embryonic development; immune system process; internal peptidyl-lysine acetylation; kidney development; lung development; negative regulation of apoptosis; negative regulation of proteasomal ubiquitin-dependent protein catabolic process; negative regulation of proteolysis; protein stabilization; regulation of cell proliferation; spermatogenesis; synaptonemal complex assembly; transport; ubiquitin-dependent protein catabolic process
Research Articles on BAT3
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Products associated with BAT3 blocking peptide
Diseases associated with BAT3 blocking peptide
Organs/Tissues associated with BAT3 blocking peptide
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