Eukaryotic translation initiation factor 5B is a protein that in humans is encoded by the EIF5Bgene.
Accurate initiation of translation in eukaryotes is complex and requires many factors, some of which are composed of multiple subunits. The process is simpler in prokaryotes which have only three initiation factors (IF1, IF2, IF3). Two of these factors are conserved in eukaryotes: the homolog of IF1 is eIF1A and the homolog of IF2 is eIF5B. This gene encodes eIF5B. Factors eIF1A and eIF5B interact on the ribosome along with other initiation factors and GTP to position the initiation methionine tRNA on the start codon of the mRNA so that translation initiates accurately.
Beausoleil SA, Villén J, Gerber SA, et al. (2006). "A probability-based approach for high-throughput protein phosphorylation analysis and site localization.". Nat. Biotechnol.24 (10): 1285–92. doi:10.1038/nbt1240. PMID16964243.
Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network.". Nature437 (7062): 1173–8. doi:10.1038/nature04209. PMID16189514.
Gevaert K, Staes A, Van Damme J, et al. (2006). "Global phosphoproteome analysis on human HepG2 hepatocytes using reversed-phase diagonal LC.". Proteomics5 (14): 3589–99. doi:10.1002/pmic.200401217. PMID16097034.
Sørensen HP, Hedegaard J, Sperling-Petersen HU, Mortensen KK (2002). "Remarkable conservation of translation initiation factors: IF1/eIF1A and IF2/eIF5B are universally distributed phylogenetic markers.". IUBMB Life51 (5): 321–7. doi:10.1080/152165401317190842. PMID11699879.
Nagase T, Ishikawa K, Suyama M, et al. (1999). "Prediction of the coding sequences of unidentified human genes. XI. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro.". DNA Res.5 (5): 277–86. doi:10.1093/dnares/5.5.277. PMID9872452.