E3 ubiquitin-protein ligase SIAH1 is an enzyme that in humans is encoded by the SIAH1 gene.[5][6]
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This gene encodes for a polypeptide structure that is a member of the seven in absentia homolog (SIAH) family. The protein is an E3 ligase and is involved in ubiquitination and proteasome-mediated degradation of specific proteins. The activity of this ubiquitin ligase has been implicated in the development of certain forms of Parkinson's disease, the regulation of the cellular response to hypoxia and induction of apoptosis. Alternative splicing results in several additional transcript variants, some encoding different isoforms and others that have not been fully characterized.[7]
SIAH1 has been shown to interact with:
Susini L, Passer BJ, Amzallag-Elbaz N, Juven-Gershon T, Prieur S, Privat N, Tuynder M, Gendron MC, Israël A, Amson R, Oren M, Telerman A (December 2001). "Siah-1 binds and regulates the function of Numb". Proceedings of the National Academy of Sciences of the United States of America. 98 (26): 15067–72. Bibcode:2001PNAS...9815067S. doi:10.1073/pnas.261571998. PMC 64984. PMID 11752454.
Okabe H, Satoh S, Furukawa Y, Kato T, Hasegawa S, Nakajima Y, Yamaoka Y, Nakamura Y (June 2003). "Involvement of PEG10 in human hepatocellular carcinogenesis through interaction with SIAH1". Cancer Research. 63 (12): 3043–8. PMID 12810624.
Zhou Y, Li L, Liu Q, Xing G, Kuai X, Sun J, Yin X, Wang J, Zhang L, He F (May 2008). "E3 ubiquitin ligase SIAH1 mediates ubiquitination and degradation of TRB3". Cellular Signalling. 20 (5): 942–8. doi:10.1016/j.cellsig.2008.01.010. PMID 18276110.
- Maruyama K, Sugano S (January 1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
- Nemani M, Linares-Cruz G, Bruzzoni-Giovanelli H, Roperch JP, Tuynder M, Bougueleret L, Cherif D, Medhioub M, Pasturaud P, Alvaro V, der Sarkissan H, Cazes L, Le Paslier D, Le Gall I, Israeli D, Dausset J, Sigaux F, Chumakov I, Oren M, Calvo F, Amson RB, Cohen D, Telerman A (August 1996). "Activation of the human homologue of the Drosophila sina gene in apoptosis and tumor suppression". Proceedings of the National Academy of Sciences of the United States of America. 93 (17): 9039–42. Bibcode:1996PNAS...93.9039N. doi:10.1073/pnas.93.17.9039. PMC 38591. PMID 8799150.
- Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, Suyama A, Sugano S (October 1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
- Block KL, Vornlocher HP, Hershey JW (November 1998). "Characterization of cDNAs encoding the p44 and p35 subunits of human translation initiation factor eIF3". The Journal of Biological Chemistry. 273 (48): 31901–8. doi:10.1074/jbc.273.48.31901. PMID 9822659.
- Hu G, Fearon ER (January 1999). "Siah-1 N-terminal RING domain is required for proteolysis function, and C-terminal sequences regulate oligomerization and binding to target proteins". Molecular and Cellular Biology. 19 (1): 724–32. doi:10.1128/mcb.19.1.724. PMC 83929. PMID 9858595.
- Tanikawa J, Ichikawa-Iwata E, Kanei-Ishii C, Nakai A, Matsuzawa S, Reed JC, Ishii S (May 2000). "p53 suppresses the c-Myb-induced activation of heat shock transcription factor 3". The Journal of Biological Chemistry. 275 (20): 15578–85. doi:10.1074/jbc.M000372200. PMID 10747903.
- Medhioub M, Vaury C, Hamelin R, Thomas G (September 2000). "Lack of somatic mutation in the coding sequence of SIAH1 in tumors hemizygous for this candidate tumor suppressor gene". International Journal of Cancer. 87 (6): 794–7. doi:10.1002/1097-0215(20000915)87:6<794::AID-IJC5>3.0.CO;2-B. PMID 10956387.
- Matsuzawa SI, Reed JC (May 2001). "Siah-1, SIP, and Ebi collaborate in a novel pathway for beta-catenin degradation linked to p53 responses". Molecular Cell. 7 (5): 915–26. doi:10.1016/S1097-2765(01)00242-8. PMID 11389839.
- Boehm J, He Y, Greiner A, Staudt L, Wirth T (August 2001). "Regulation of BOB.1/OBF.1 stability by SIAH". The EMBO Journal. 20 (15): 4153–62. doi:10.1093/emboj/20.15.4153. PMC 149152. PMID 11483518.
- Wheeler TC, Chin LS, Li Y, Roudabush FL, Li L (March 2002). "Regulation of synaptophysin degradation by mammalian homologues of seven in absentia". The Journal of Biological Chemistry. 277 (12): 10273–82. doi:10.1074/jbc.M107857200. PMID 11786535.
- Maeda A, Yoshida T, Kusuzaki K, Sakai T (February 2002). "The characterization of the human Siah-1 promoter(1)". FEBS Letters. 512 (1–3): 223–6. doi:10.1016/S0014-5793(02)02265-2. PMID 11852084. S2CID 24436936.
- Jarmuz A, Chester A, Bayliss J, Gisbourne J, Dunham I, Scott J, Navaratnam N (March 2002). "An anthropoid-specific locus of orphan C to U RNA-editing enzymes on chromosome 22". Genomics. 79 (3): 285–96. doi:10.1006/geno.2002.6718. PMID 11863358.