Hemidesmosomes are structures which link the basal lamina to the intermediate filament cytoskeleton. An important functional component of hemidesmosomes is the integrin beta-4 subunit (ITGB4), a protein containing two fibronectin type III domains. The protein encoded by this gene binds to the fibronectin type III domains of ITGB4 and may help link ITGB4 to the intermediate filament cytoskeleton. The encoded protein, which is insoluble and found both in the nucleus and in the cytoplasm, can function as a translation initiation factor and prevent the association of the 40S and 60S ribosomal subunits. Multiple non-protein coding transcript variants and variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jun 2012].
Li, Luco, Ochietti, Fadhil, Camirand, Reinhardt, St-Arnaud, Muller, Kremer: "Tumoral Vitamin D Synthesis by CYP27B1 1-α-Hydroxylase Delays Mammary Tumor Progression in the PyMT-MMTV Mouse Model and Its Action Involves NF-κB Modulation." in: Endocrinology, Vol. 157, Issue 6, pp. 2204-16, (2016) (PubMed).
Peng, Yuan, Tan, Ma, Bian, Xu, He, Cao, Huang, Cui, Gan, Wang, Zhou, Hu, Yang, Luo, Wu: "Identification of ITGB4BP as a new interaction protein of P311." in: Life sciences, Vol. 90, Issue 15-16, pp. 585-90, (2012) (PubMed).
Si, Chaudhuri, Chevesich, Maitra: "Molecular cloning and functional expression of a human cDNA encoding translation initiation factor 6." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 94, Issue 26, pp. 14285-90, (1998) (PubMed).