HNRPU

Heterogeneous nuclear ribonucleoprotein U (scaffold attachment factor A), also known as HNRPU, is a human gene.

PBB_Summary
section_title =
summary_text = This gene belongs to the subfamily of ubiquitously expressed heterogeneous nuclear ribonucleoproteins (hnRNPs). The hnRNPs are RNA binding proteins and they form complexes with heterogeneous nuclear RNA (hnRNA). These proteins are associated with pre-mRNAs in the nucleus and appear to influence pre-mRNA processing and other aspects of mRNA metabolism and transport. While all of the hnRNPs are present in the nucleus, some seem to shuttle between the nucleus and the cytoplasm. The hnRNP proteins have distinct nucleic acid binding properties. The protein encoded by this gene contains a RNA binding domain and scaffold-associated region (SAR)-specific bipartite DNA-binding domain. This protein is also thought to be involved in the packaging of hnRNA into large ribonucleoprotein complexes. During apoptosis, this protein is cleaved in a caspase-dependent way. Cleavage occurs at the SALD site, resulting in a loss of DNA-binding activity and a concomitant detachment of this protein from nuclear structural sites. But this cleavage does not affect the function of the encoded protein in RNA metabolism. At least two alternatively spliced transcript variants have been identified for this gene.cite web | title = Entrez Gene: HNRPU heterogeneous nuclear ribonucleoprotein U (scaffold attachment factor A)| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3192| accessdate = ]

References

Further reading

PBB_Further_reading
citations =
*cite journal | author=Kiledjian M, Dreyfuss G |title=Primary structure and binding activity of the hnRNP U protein: binding RNA through RGG box. |journal=EMBO J. |volume=11 |issue= 7 |pages= 2655–64 |year= 1992 |pmid= 1628625 |doi=
*cite journal | author=Fackelmayer FO, Richter A |title=hnRNP-U/SAF-A is encoded by two differentially polyadenylated mRNAs in human cells. |journal=Biochim. Biophys. Acta |volume=1217 |issue= 2 |pages= 232–4 |year= 1994 |pmid= 7509195 |doi=
*cite journal | author=Barel M, Balbo M, Gauffre A, Frade R |title=Binding sites of the Epstein-Barr virus and C3d receptor (CR2, CD21) for its three intracellular ligands, the p53 anti-oncoprotein, the p68 calcium binding protein and the nuclear p120 ribonucleoprotein. |journal=Mol. Immunol. |volume=32 |issue= 6 |pages= 389–97 |year= 1995 |pmid= 7753047 |doi=
*cite journal | author=Sidorenko SP, Law CL, Chandran KA, Clark EA |title=Human spleen tyrosine kinase p72Syk associates with the Src-family kinase p53/56Lyn and a 120-kDa phosphoprotein. |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=92 |issue= 2 |pages= 359–63 |year= 1995 |pmid= 7831290 |doi=
*cite journal | author=Jordan P, Heid H, Kinzel V, Kübler D |title=Major cell surface-located protein substrates of an ecto-protein kinase are homologs of known nuclear proteins. |journal=Biochemistry |volume=33 |issue= 49 |pages= 14696–706 |year= 1995 |pmid= 7993898 |doi=
*cite journal | author=Fackelmayer FO, Richter A |title=Purification of two isoforms of hnRNP-U and characterization of their nucleic acid binding activity. |journal=Biochemistry |volume=33 |issue= 34 |pages= 10416–22 |year= 1994 |pmid= 8068679 |doi=
*cite journal | author=Liu Q, Dreyfuss G |title=A novel nuclear structure containing the survival of motor neurons protein. |journal=EMBO J. |volume=15 |issue= 14 |pages= 3555–65 |year= 1996 |pmid= 8670859 |doi=
*cite journal | author=Fujioka Y, Matozaki T, Noguchi T, "et al." |title=A novel membrane glycoprotein, SHPS-1, that binds the SH2-domain-containing protein tyrosine phosphatase SHP-2 in response to mitogens and cell adhesion. |journal=Mol. Cell. Biol. |volume=16 |issue= 12 |pages= 6887–99 |year= 1997 |pmid= 8943344 |doi=
*cite journal | author=Dennehy KM, Broszeit R, Garnett D, "et al." |title=Thymocyte activation induces the association of phosphatidylinositol 3-kinase and pp120 with CD5. |journal=Eur. J. Immunol. |volume=27 |issue= 3 |pages= 679–86 |year= 1997 |pmid= 9079809 |doi=
*cite journal | author=Malik KF, Jaffe H, Brady J, Young WS |title=The class III POU factor Brn-4 interacts with other class III POU factors and the heterogeneous nuclear ribonucleoprotein U. |journal=Brain Res. Mol. Brain Res. |volume=45 |issue= 1 |pages= 99–107 |year= 1997 |pmid= 9105675 |doi=
*cite journal | author=Eggert M, Michel J, Schneider S, "et al." |title=The glucocorticoid receptor is associated with the RNA-binding nuclear matrix protein hnRNP U. |journal=J. Biol. Chem. |volume=272 |issue= 45 |pages= 28471–8 |year= 1997 |pmid= 9353307 |doi=
*cite journal | author=Göhring F, Schwab BL, Nicotera P, "et al." |title=The novel SAR-binding domain of scaffold attachment factor A (SAF-A) is a target in apoptotic nuclear breakdown. |journal=EMBO J. |volume=16 |issue= 24 |pages= 7361–71 |year= 1998 |pmid= 9405365 |doi= 10.1093/emboj/16.24.7361
*cite journal | author=Hahm B, Cho OH, Kim JE, "et al." |title=Polypyrimidine tract-binding protein interacts with HnRNP L. |journal=FEBS Lett. |volume=425 |issue= 3 |pages= 401–6 |year= 1998 |pmid= 9563502 |doi=
*cite journal | author=Matsui M, Breau WC, Iwasaki S, "et al." |title=Retrovirus integration site Mintb encoding the mouse homolog of hnRNP U. |journal=J. Biochem. |volume=125 |issue= 6 |pages= 1104–14 |year= 1999 |pmid= 10348913 |doi=
*cite journal | author=Kim MK, Nikodem VM |title=hnRNP U inhibits carboxy-terminal domain phosphorylation by TFIIH and represses RNA polymerase II elongation. |journal=Mol. Cell. Biol. |volume=19 |issue= 10 |pages= 6833–44 |year= 2000 |pmid= 10490622 |doi=
*cite journal | author=Kipp M, Schwab BL, Przybylski M, "et al." |title=Apoptotic cleavage of scaffold attachment factor A (SAF-A) by caspase-3 occurs at a noncanonical cleavage site. |journal=J. Biol. Chem. |volume=275 |issue= 7 |pages= 5031–6 |year= 2000 |pmid= 10671544 |doi=
*cite journal | author=Husi H, Ward MA, Choudhary JS, "et al." |title=Proteomic analysis of NMDA receptor-adhesion protein signaling complexes. |journal=Nat. Neurosci. |volume=3 |issue= 7 |pages= 661–9 |year= 2000 |pmid= 10862698 |doi= 10.1038/76615
*cite journal | author=Taniura H, Yoshikawa K |title=Necdin interacts with the ribonucleoprotein hnRNP U in the nuclear matrix. |journal=J. Cell. Biochem. |volume=84 |issue= 3 |pages= 545–55 |year= 2002 |pmid= 11813259 |doi=
*cite journal | author=Lee J, Bedford MT |title=PABP1 identified as an arginine methyltransferase substrate using high-density protein arrays. |journal=EMBO Rep. |volume=3 |issue= 3 |pages= 268–73 |year= 2002 |pmid= 11850402 |doi= 10.1093/embo-reports/kvf052
*cite journal | author=Davis M, Hatzubai A, Andersen JS, "et al." |title=Pseudosubstrate regulation of the SCF(beta-TrCP) ubiquitin ligase by hnRNP-U. |journal=Genes Dev. |volume=16 |issue= 4 |pages= 439–51 |year= 2002 |pmid= 11850407 |doi= 10.1101/gad.218702

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