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Based on this oncogenic role of GIG47, we then embarked on determining the high-resolution structure of GIG47. We have applied multidimensional heteronuclear NMR methods to GIG47.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>GIG47 was over-expressed in primary breast tumors as well as other human tumors including carcinomas of the uterine cervix, malignant lymphoma, colon, lung, skin, and leukemia. To establish its role in the pathogenesis of breast cancer in humans, we generated stable transfectants of MCF7 cells. The ectopic expression of GIG47 in MCF7 cells promoted the invasiveness in the presence of 50% serum. In addition, it also resulted in the increased tumorigenicity in <jats:italic>in vivo<\/jats:italic> tumor formation assay. The tumorigenesis mechanism involving GIG47 might be mediated by the activation of MAPK and PI3K pathways. These results indicate that GIG47 plays a role in the breast tumorigenesis, thus representing a novel target for the treatment of breast cancer. To facilitate the development of GIG47-targeted therapeutics, we determined the structural configuration of GIG47. The high-resolution structure of GIG47 was obtained by combination of NMR and homology modeling. The overall structure of GIG47 has four <jats:italic>\u03b1<\/jats:italic>-helices and 6 <jats:italic>\u03b2<\/jats:italic>-strands, arranged in a <jats:italic>\u03b2<\/jats:italic>1-<jats:italic>\u03b1<\/jats:italic>1-<jats:italic>\u03b2<\/jats:italic>2-<jats:italic>\u03b2<\/jats:italic>3-<jats:italic>\u03b1<\/jats:italic>2-<jats:italic>\u03b2<\/jats:italic>4-<jats:italic>\u03b1<\/jats:italic>3-<jats:italic>\u03b1<\/jats:italic>4-<jats:italic>\u03b2<\/jats:italic>5-<jats:italic>\u03b2<\/jats:italic>6 topology. There is a potential heme\/steroid binding pocket formed between two helices <jats:italic>\u03b1<\/jats:italic>2 and <jats:italic>\u03b1<\/jats:italic>3.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>The determined three-dimensional structure of GIG47 may facilitate the development of potential anti-cancer agents.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1471-2407-12-274","type":"journal-article","created":{"date-parts":[[2012,7,2]],"date-time":"2012-07-02T14:14:50Z","timestamp":1341238490000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["The functional and structural characterization of a novel oncogene GIG47 involved in the breast tumorigenesis"],"prefix":"10.1186","volume":"12","author":[{"given":"Kyou-Hoon","family":"Han","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Si-Hyung","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seon-Ah","family":"Ha","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun Kee","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"CheWook","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Do-Hyoung","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kee Hwan","family":"Gong","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JinAh","family":"Yoo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sanghee","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin Woo","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2012,7,2]]},"reference":[{"key":"3203_CR1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1007\/978-0-387-74039-3_1","volume":"608","author":"AM Gonzalez-Angulo","year":"2007","unstructured":"Gonzalez-Angulo AM, Morales-Vasquez F, Hortobagyi GN: Overview of resistance to systemic therapy in patients with breast cancer. 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