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FBXL4 encodes a member of the F-box protein family which is characterized by an approximately 40 amino acid motif, the F-box. Additionally we are shipping FBXL4 Antibodies (41) and FBXL4 Kits (12) and many more products for this protein.
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Biallelic pathogenic variants in FBXL4 are associated with an encephalopathic mtDNA maintenance defect syndrome that is a multisystem disease.
Overall, FBXL4 defects account for at least 0.7% (6 out of 808) of subjects suspected to have a mitochondrial disorder, and as high as 14.3% (4 out of 28) in young children with congenital lactic acidosis and clinical features of mitochondrial disease. Including FBLX4 in the mitochondrial diseases panel should be particularly important for patients with congenital lactic acidosis
On clinical indication of mitochondrial encephalomyopathy, sequencing of FBXL4 should be performed, even when the activity levels of the MRC enzymes are normal
A clinical pattern of early-onset encephalopathy, persistent lactic acidosis, profound muscular hypotonia and typical facial dysmorphism should prompt initiation of molecular genetic analysis of FBXL4.
Mutations in FBXL4 are disease causing and establish FBXL4 as a mitochondrial protein (show COX6B2 Proteins) with a possible role in maintaining mtDNA integrity and stability.
These data strongly support a role for FBXL4 in controlling bioenergetic homeostasis and mtDNA maintenance.
SKP1 (show SKP1 Proteins)-Cul1 (show CUL1 Proteins)-F-box and leucine-rich repeat protein 4 (SCF (show KITLG Proteins)-FbxL4) ubiquitin ligase regulates lysine demethylase (show MBD2 Proteins) 4A (KDM4A)/Jumonji domain-containing 2A (show KDM4A Proteins) (JMJD2A (show KDM4A Proteins)) protein
This study uncovered a critical molecular linkage between the circadian clock and the electrical activity of pacemaker neurons and demonstrated that CLOCK-dependent Fbxl4 expression rhythmically downregulates GABAA (show GABRg1 Proteins) receptor level to increase the activity of pacemaker neurons and promote wakefulness.
Calmodulin/CAMTA/Fbxl4 may mediate a long-term feedback regulation of the activity of Ca(2 (show CA2 Proteins)+)-stimulating G protein-coupled receptor (show GPBAR1 Proteins), which could prevent cell damage due to extra Ca(2 (show CA2 Proteins)+) influx.
This gene encodes a member of the F-box protein family which is characterized by an approximately 40 amino acid motif, the F-box. The F-box proteins constitute one of the four subunits of ubiquitin protein ligase complex called SCFs (SKP1-cullin-F-box), which function in phosphorylation-dependent ubiquitination. The F-box proteins are divided into 3 classes: Fbws containing WD-40 domains, Fbls containing leucine-rich repeats, and Fbxs containing either different protein-protein interaction modules or no recognizable motifs. The protein encoded by this gene belongs to the Fbls class and, in addition to an F-box, contains at least 9 tandem leucine-rich repeats.
F-box/LRR-repeat protein 4
, F-box and leucine-rich repeat protein 4
, F box and leucine-rich-repeat gene 4
, F-box/LRR-repeat protein 4-like
, f-box/LRR-repeat protein 4-like