FBXL5

F-box and leucine-rich repeat protein 5
Available structures
PDB Ortholog search: PDBe, RCSB
Identifiers
SymbolsFBXL5 ; FBL4; FBL5; FLR1
External IDsOMIM: 605655 MGI: 2152883 HomoloGene: 8129 GeneCards: FBXL5 Gene
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez26234242960
EnsemblENSG00000118564ENSMUSG00000039753
UniProtQ9UKA1Q8C2S5
RefSeq (mRNA)NM_001193534NM_001159963
RefSeq (protein)NP_001180463NP_001153435
Location (UCSC)Chr 4:
15.61 – 15.68 Mb
Chr 5:
43.74 – 43.82 Mb
PubMed search

F-box/LRR-repeat protein 5 is a protein that in humans is encoded by the FBXL5 gene.[1][2]

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 several tandem leucine-rich repeats. Alternative splicing of this gene generates 2 transcript variants.[2]

FBXL5 is an iron sensor. It promotes IRP2 ubiquitination and then its degradation.

References

  1. Cenciarelli C, Chiaur DS, Guardavaccaro D, Parks W, Vidal M, Pagano M (Dec 1999). "Identification of a family of human F-box proteins". Curr Biol 9 (20): 1177–9. doi:10.1016/S0960-9822(00)80020-2. PMID 10531035.
  2. 2.0 2.1 "Entrez Gene: FBXL5 F-box and leucine-rich repeat protein 5".

Further reading