The Function of UBD
Ubiquitin-like protein modifier which can be covalently attached to target protein and subsequently leads to their degradation by the 26S proteasome, in a NUB1L-dependent manner. Probably functions as a survival factor. Conjugation ability activated by UBA6. Promotes the expression of the proteasome subunit beta type-9 (PSMB9/LMP2). Regulates TNF-alpha-induced and LPS-mediated activation of the central mediator of innate immunity NF-kappa-B by promoting TNF-alpha-mediated proteasomal degradation of ubiquitinated-I-kappa-B-alpha. Required for TNF-alpha-induced p65 nuclear translocation in renal tubular epithelial cells (RTECs). May be involved in dendritic cell (DC) maturation, the process by which immature dendritic cells differentiate into fully competent antigen-presenting cells that initiate T-cell responses. Mediates mitotic non-disjunction and chromosome instability, in long-term in vitro culture and cancers, by abbreviating mitotic phase and impairing the kinetochore localization of MAD2L1 during the prometaphase stage of the cell cycle. May be involved in the formation of aggresomes when proteasome is saturated or impaired. Mediates apoptosis in a caspase-dependent manner, especially in renal epithelium and tubular cells during renal diseases such as polycystic kidney disease and Human immunodeficiency virus (HIV)-associated nephropathy (HIVAN).
Protein names
Recommended name:
Ubiquitin DAlternative name(s):
DiubiquitinUbiquitin-like protein FAT10
- RS11970475 (UBD) ??
- RS16895057 (UBD) ??
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Top Gene-Substance Interactions
Substances That Increase UBD
| Substances | Interaction | Organism | Category |
Substances That Decrease UBD
| Substances | Interaction | Organism | Category |
Conditions with Increased Gene Activity
| Condition | Change (log2fold) | Comparison | Species | Experimental variables | Experiment name |
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Conditions with Decreased Gene Activity
| Condition | Change (log2fold) | Comparison | Species | Experimental variables | Experiment name |
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Technical
The following transcription factors affect gene expression:
Tissue specificity:
Constitutively expressed in mature dendritic cells and B-cells. Mostly expressed in the reticuloendothelial system (e.g. thymus, spleen), the gastrointestinal system, kidney, lung and prostate gland.
Induction:
Rapidly degraded by the proteasome. Cell-cycle regulation with highest expression during the S-phase (at protein level). Induced during dendritic cell maturation. Negatively regulated by p53/TP53. High levels in various gastrointestinal and gynecological cancer cells. Induced in RTECs in common renal diseases including diabetic nephropathy (DN), IgA nephropathy (IgAN), and hypertensive nephrosclerosis (HN), as well as in hepatocellular carcinoma (HCC) and during HIVAN. Inducible by the proinflammatory cytokines IFNG/IFN-gamma and TNF in cancers of liver and colon. Repressed by NUB1L (at protein level).
Molecular Function:
Biological Processes:
- Proteolysis
- Ubiquitin-Dependent Protein Catabolic Process
- Response To Organonitrogen Compound
- Protein Ubiquitination
- Protein Modification By Small Protein Conjugation
- Response To Interferon-Gamma
- Response To Tumor Necrosis Factor
- Myeloid Dendritic Cell Differentiation
- Positive Regulation Of Apoptotic Process
- Positive Regulation Of I-Kappab Kinase/Nf-Kappab Signaling
- Aggresome Assembly