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- Table of Contents
2 Citations 1 Q&As
1 Citations 5 Q&As
Facts about BAG family molecular chaperone regulator 1.
Co-chaperone for HSP70 and HSC70 chaperone proteins.
Acts as a nucleotide-exchange variable (NEF) promoting the release of ADP in the HSP70 and HSC70 proteins thereby triggering client/substrate protein release.Nucleotide release is mediated through its binding to the nucleotide-binding domain (NBD) of HSPA8/HSC70 where as the substrate release is mediated through its binding to the substrate-binding domain (SBD) of HSPA8/HSC70 (PubMed:27474739, PubMed:9873016, PubMed:24318877). Inhibits the pro-apoptotic function of PPP1R15A, and contains anti-apoptotic action (PubMed:12724406).
Human | |
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Gene Name: | BAG1 |
Uniprot: | Q99933 |
Entrez: | 573 |
Belongs to: |
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No superfamily |
BAG family molecular chaperone regulator 1; Bag1; Bag-1; Bcl-2 associating athanogene-1 protein; Bcl-2-associated athanogene 1; BCL2-associated athanogene; Bcl-2-binding protein; glucocortoid receptor-associated protein RAP46,46-KD; HAP; RAP46
Mass (kDA):
38.779 kDA
Human | |
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Location: | 9p13.3 |
Sequence: | 9; NC_000009.12 (33252471..33264708, complement) |
Isoform 4 is the most abundantly expressed isoform. It is ubiquitously expressed throughout most tissues, except the liver, colon, breast and uterine myometrium. Isoform 1 is expressed in the ovary and testis. Isoform 4 is expressed in several types of tumor cell lines, and at consistently high levels in leukemia and lymphoma cell lines. Isoform 1 is expressed in the prostate, breast and leukemia cell lines. Isoform 3 is the least abundant isoform in tumor cell lines (at protein level).
[Isoform 1]: Nucleus. Cytoplasm. Isoform 1 localizes predominantly to the nucleus.; [Isoform 2]: Cytoplasm. Nucleus. Isoform 2 localizes to the cytoplasm and shuttles into the nucleus in response to heat shock.; [Isoform 4]: Cytoplasm. Nucleus. Isoform 4 localizes predominantly to the cytoplasm. The cellular background in which it is expressed can influence whether it resides primarily in the cytoplasm or is also found in the nucleus. In the presence of BCL2, localizes to intracellular membranes (what appears to be the nuclear envelope and perinuclear membranes) as well as punctate cytosolic s
PMID: 8524784 by Zeiner M., et al. A protein that interacts with members of the nuclear hormone receptor family: identification and cDNA cloning.
PMID: 8812483 by Takayama S., et al. Cloning of cDNAs encoding the human BAG1 protein and localization of the human BAG1 gene to chromosome 9p12.
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