Bag 1 Antibody - #AF5136
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Product Info
*The optimal dilutions should be determined by the end user.
*Tips:
WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.
Cite Format: Affinity Biosciences Cat# AF5136, RRID:AB_2837622.
Fold/Unfold
Bag 1; BAG family molecular chaperone regulator 1; BAG-1; BAG1; BAG1_HUMAN; BCL 2 Associated Athanogene 1; BCL 2 associated athanogene; BCL 2 binding athanogene 1; Bcl-2-associated athanogene 1; BCL2 associated athanogene 1; BCL2 associated athanogene; Glucocorticoid receptor-associated protein RAP46; HAP1; Haptoglobin; RAP 46; RAP46;
Immunogens
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).
- Q99933 BAG1_HUMAN:
- Protein BLAST With
- NCBI/
- ExPASy/
- Uniprot
MAQRGGARRPRGDRERLGSRLRALRPGREPRQSEPPAQRGPPPSGRPPARSTASGHDRPTRGAAAGARRPRMKKKTRRRSTRSEELTRSEELTLSEEATWSEEATQSEEATQGEEMNRSQEVTRDEESTRSEEVTREEMAAAGLTVTVTHSNEKHDLHVTSQQGSSEPVVQDLAQVVEEVIGVPQSFQKLIFKGKSLKEMETPLSALGIQDGCRVMLIGKKNSPQEEVELKKLKHLEKSVEKIADQLEELNKELTGIQQGFLPKDLQAEALCKLDRRVKATIEQFMKILEEIDTLILPENFKDSRLKRKGLVKKVQAFLAECDTVEQNICQETERLQSTNFALAE
PTMs - Q99933 As Substrate
| Site | PTM Type | Enzyme | Source |
|---|---|---|---|
| R58 | Methylation | Uniprot | |
| R61 | Methylation | Uniprot | |
| R68 | Methylation | Uniprot | |
| S80 | Phosphorylation | Uniprot | |
| S83 | Phosphorylation | Uniprot | |
| S119 | Phosphorylation | Uniprot | |
| S196 | Phosphorylation | Uniprot | |
| T202 | Phosphorylation | Uniprot | |
| S223 | Phosphorylation | Uniprot | |
| K231 | Acetylation | Uniprot | |
| K242 | Ubiquitination | Uniprot | |
| K252 | Ubiquitination | Uniprot | |
| K264 | Ubiquitination | Uniprot | |
| K273 | Ubiquitination | Uniprot | |
| K302 | Ubiquitination | Uniprot |
Research Backgrounds
Co-chaperone for HSP70 and HSC70 chaperone proteins. Acts as a nucleotide-exchange factor (NEF) promoting the release of ADP from the HSP70 and HSC70 proteins thereby triggering client/substrate protein release. Nucleotide release is mediated via its binding to the nucleotide-binding domain (NBD) of HSPA8/HSC70 where as the substrate release is mediated via its binding to the substrate-binding domain (SBD) of HSPA8/HSC70. Inhibits the pro-apoptotic function of PPP1R15A, and has anti-apoptotic activity. Markedly increases the anti-cell death function of BCL2 induced by various stimuli.
Ubiquitinated; mediated by SIAH1 or SIAH2 and leading to its subsequent proteasomal degradation.
Nucleus. Cytoplasm.
Note: Isoform 1 localizes predominantly to the nucleus.
Cytoplasm. Nucleus.
Note: Isoform 2 localizes to the cytoplasm and shuttles into the nucleus in response to heat shock.
Cytoplasm. Nucleus.
Note: 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 structures suggestive of mitochondria.
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).
Homodimer. Forms a heteromeric complex with HSP70/HSC70. Binds to the ATPase domain of HSP/HSC70 chaperones. Isoform 1, isoform 3 and isoform 4 but not isoform 2 interact with HSPA8/HSC70. Interacts with NR3C1. Interacts with the N-terminal region of STK19. Interacts with PPP1R15A. Interacts with BCL2 in an ATP-dependent manner. Isoform 2 does not interact with BCL2. Interacts with SIAH1. Interacts with HSPA8 (via NBD). Interacts with HSPA1A (via NBD) and HSPA1B (via NBD). Interacts with SIAH2 (By similarity).
Research Fields
· Genetic Information Processing > Folding, sorting and degradation > Protein processing in endoplasmic reticulum. (View pathway)
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