Spectrin, beta, non-erythrocytic 4, also known as SPTBN4, is a human gene.cite web | title = Entrez Gene: SPTBN4 spectrin, beta, non-erythrocytic 4| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=57731| accessdate = ]

section_title =
summary_text = Spectrin is an actin crosslinking and molecular scaffold protein that links the plasma membrane to the actin cytoskeleton, and functions in the determination of cell shape, arrangement of transmembrane proteins, and organization of organelles. It is composed of two antiparallel dimers of alpha- and beta- subunits. This gene is one member of a family of beta-spectrin genes. The encoded protein localizes to the nuclear matrix, PML nuclear bodies, and cytoplasmic vesicles. A highly similar gene in the mouse is required for localization of specific membrane proteins in polarized regions of neurons. Multiple transcript variants encoding different isoforms have been found for this gene.cite web | title = Entrez Gene: SPTBN4 spectrin, beta, non-erythrocytic 4| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=57731| accessdate = ]


Further reading

citations =
*cite journal | author=Nagase T, Kikuno R, Nakayama M, "et al." |title=Prediction of the coding sequences of unidentified human genes. XVIII. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro. |journal=DNA Res. |volume=7 |issue= 4 |pages= 273–81 |year= 2001 |pmid= 10997877 |doi=
*cite journal | author=Berghs S, Aggujaro D, Dirkx R, "et al." |title=betaIV spectrin, a new spectrin localized at axon initial segments and nodes of ranvier in the central and peripheral nervous system. |journal=J. Cell Biol. |volume=151 |issue= 5 |pages= 985–1002 |year= 2001 |pmid= 11086001 |doi=
*cite journal | author=Tse WT, Tang J, Jin O, "et al." |title=A new spectrin, beta IV, has a major truncated isoform that associates with promyelocytic leukemia protein nuclear bodies and the nuclear matrix. |journal=J. Biol. Chem. |volume=276 |issue= 26 |pages= 23974–85 |year= 2001 |pmid= 11294830 |doi= 10.1074/jbc.M009307200
*cite journal | author=Komada M, Soriano P |title= [Beta] IV-spectrin regulates sodium channel clustering through ankyrin-G at axon initial segments and nodes of Ranvier. |journal=J. Cell Biol. |volume=156 |issue= 2 |pages= 337–48 |year= 2002 |pmid= 11807096 |doi= 10.1083/jcb.200110003
*cite journal | author=Shoeman RL, Hartig R, Hauses C, Traub P |title=Organization of focal adhesion plaques is disrupted by action of the HIV-1 protease. |journal=Cell Biol. Int. |volume=26 |issue= 6 |pages= 529–39 |year= 2003 |pmid= 12119179 |doi=
*cite journal | author=Nakayama M, Kikuno R, Ohara O |title=Protein-protein interactions between large proteins: two-hybrid screening using a functionally classified library composed of long cDNAs. |journal=Genome Res. |volume=12 |issue= 11 |pages= 1773–84 |year= 2003 |pmid= 12421765 |doi= 10.1101/gr.406902
*cite journal | author=Ozeki Y, Tomoda T, Kleiderlein J, "et al." |title=Disrupted-in-Schizophrenia-1 (DISC-1): mutant truncation prevents binding to NudE-like (NUDEL) and inhibits neurite outgrowth. |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=100 |issue= 1 |pages= 289–94 |year= 2003 |pmid= 12506198 |doi= 10.1073/pnas.0136913100
*cite journal | author=Morris JA, Kandpal G, Ma L, Austin CP |title=DISC1 (Disrupted-In-Schizophrenia 1) is a centrosome-associated protein that interacts with MAP1A, MIPT3, ATF4/5 and NUDEL: regulation and loss of interaction with mutation. |journal=Hum. Mol. Genet. |volume=12 |issue= 13 |pages= 1591–608 |year= 2004 |pmid= 12812986 |doi=
*cite journal | author=Ota T, Suzuki Y, Nishikawa T, "et al." |title=Complete sequencing and characterization of 21,243 full-length human cDNAs. |journal=Nat. Genet. |volume=36 |issue= 1 |pages= 40–5 |year= 2004 |pmid= 14702039 |doi= 10.1038/ng1285
*cite journal | author=Kimura K, Wakamatsu A, Suzuki Y, "et al." |title=Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes. |journal=Genome Res. |volume=16 |issue= 1 |pages= 55–65 |year= 2006 |pmid= 16344560 |doi= 10.1101/gr.4039406
*cite journal | author=Olsen JV, Blagoev B, Gnad F, "et al." |title=Global, in vivo, and site-specific phosphorylation dynamics in signaling networks. |journal=Cell |volume=127 |issue= 3 |pages= 635–48 |year= 2006 |pmid= 17081983 |doi= 10.1016/j.cell.2006.09.026

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