Intersectin 2

Intersectin-2 is a protein that in humans is encoded by the ITSN2 gene.

ITSN2
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 1J3T, 1UDL, 1UE9, 1UFF, 1UHF, 3GF9, 3JZY, 4IIO
Identifiers
Aliases	ITSN2, PRO2015, SH3D1B, SH3P18, SWA, SWAP, intersectin 2
External IDs	OMIM: 604464; MGI: 1338049; HomoloGene: 22627; GeneCards: ITSN2; OMA:ITSN2 - orthologs
Gene location (Mouse) Chr. Chromosome 12 (mouse) Band 12|12 A1.1 Start 4,642,638 bp End 4,763,962 bp
RNA expression pattern Bgee Human Mouse (ortholog) n/a Top expressed in zygote granulocyte secondary oocyte iris ciliary body spleen conjunctival fornix neural layer of retina retinal pigment epithelium blood BioGPS More reference expression data
Gene ontology Molecular function calcium ion binding protein binding metal ion binding Cellular component cytoplasm centrosome extracellular exosome Biological process positive regulation of dendrite extension cell differentiation regulation of Rho protein signal transduction endocytosis positive regulation of signal transduction regulation of molecular function viral process Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 50618 20403 Ensembl ENSG00000198399 ENSMUSG00000020640 UniProt Q9NZM3 Q9Z0R6 RefSeq (mRNA) NM_147152 NM_006277 NM_019595 NM_001198968 NM_001198969 NM_011365 RefSeq (protein) NP_006268 NP_062541 NP_671494 NP_001335110 NP_001335111 NP_001335112 NP_001335113 NP_001335114 NP_001335115 n/a Location (UCSC) n/a Chr 12: 4.64 – 4.76 Mb PubMed search
Wikidata
View/Edit Human View/Edit Mouse

This gene encodes a cytoplasmic protein which contains SH3 domains. This protein is a member of a family of proteins involved in clathrin-mediated endocytosis. Intersectin 2 is thought to regulate the formation of clathrin-coated vesicles and also may function in the induction of T cell antigen receptor (TCR) endocytosis. Alternatively spliced transcript variants have been found for this gene that encode three distinct isoforms. Additional variants have been found but their full length nature has not been determined.

Interactions

ITSN2 has been shown to interact with Wiskott-Aldrich syndrome protein.

Further reading

• Andersson B, Wentland MA, Ricafrente JY, et al. (1996). "A "double adaptor" method for improved shotgun library construction". Anal. Biochem. 236 (1): 107–13. doi:10.1006/abio.1996.0138. PMID 8619474.
• Yu W, Andersson B, Worley KC, et al. (1997). "Large-scale concatenation cDNA sequencing". Genome Res. 7 (4): 353–8. doi:10.1101/gr.7.4.353. PMC 139146. PMID 9110174.
• Sparks AB, Hoffman NG, McConnell SJ, et al. (1998). "Cloning of ligand targets: systematic isolation of SH3 domain-containing proteins". Nat. Biotechnol. 14 (6): 741–4. doi:10.1038/nbt0696-741. PMID 9630982. S2CID 11166026.
• Nagase T, Ishikawa K, Kikuno R, et al. (2000). "Prediction of the coding sequences of unidentified human genes. XV. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro". DNA Res. 6 (5): 337–45. doi:10.1093/dnares/6.5.337. PMID 10574462.
• Pucharcos C, Casas C, Nadal M, et al. (2001). "The human intersectin genes and their spliced variants are differentially expressed". Biochim. Biophys. Acta. 1521 (1–3): 1–11. doi:10.1016/s0167-4781(01)00276-7. PMID 11690630.
• Nakayama M, Kikuno R, Ohara O (2003). "Protein-protein interactions between large proteins: two-hybrid screening using a functionally classified library composed of long cDNAs". Genome Res. 12 (11): 1773–84. doi:10.1101/gr.406902. PMC 187542. PMID 12421765.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Chini CC, Chen J (2003). "Human claspin is required for replication checkpoint control". J. Biol. Chem. 278 (32): 30057–62. doi:10.1074/jbc.M301136200. PMID 12766152.
• Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
• Brill LM, Salomon AR, Ficarro SB, et al. (2004). "Robust phosphoproteomic profiling of tyrosine phosphorylation sites from human T cells using immobilized metal affinity chromatography and tandem mass spectrometry". Anal. Chem. 76 (10): 2763–72. doi:10.1021/ac035352d. PMID 15144186.
• Lehner B, Sanderson CM (2004). "A protein interaction framework for human mRNA degradation". Genome Res. 14 (7): 1315–23. doi:10.1101/gr.2122004. PMC 442147. PMID 15231747.
• Rush J, Moritz A, Lee KA, et al. (2005). "Immunoaffinity profiling of tyrosine phosphorylation in cancer cells". Nat. Biotechnol. 23 (1): 94–101. doi:10.1038/nbt1046. PMID 15592455. S2CID 7200157.
• Zhang Y, Wolf-Yadlin A, Ross PL, et al. (2005). "Time-resolved mass spectrometry of tyrosine phosphorylation sites in the epidermal growth factor receptor signaling network reveals dynamic modules". Mol. Cell. Proteomics. 4 (9): 1240–50. doi:10.1074/mcp.M500089-MCP200. PMID 15951569.
• Nishimura T, Yamaguchi T, Tokunaga A, et al. (2006). "Role of numb in dendritic spine development with a Cdc42 GEF intersectin and EphB2". Mol. Biol. Cell. 17 (3): 1273–85. doi:10.1091/mbc.E05-07-0700. PMC 1382316. PMID 16394100.
• Seifert M, Ampofo C, Mehraein Y, et al. (2007). "Expression analysis of human intersectin 2 gene (ITSN2) minor splice variants showing differential expression in normal human brain". Oncol. Rep. 17 (5): 1207–11. doi:10.3892/or.17.5.1207. PMID 17390067.
• Lim CS, Seet BT, Ingham RJ, et al. (2007). "The K15 protein of Kaposi's sarcoma-associated herpesvirus recruits the endocytic regulator intersectin 2 through a selective SH3 domain interaction". Biochemistry. 46 (35): 9874–85. doi:10.1021/bi700357s. PMID 17696407.