3mup
From Proteopedia
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===cIAP1-BIR3 domain in complex with the Smac-mimetic compound Smac037=== | ===cIAP1-BIR3 domain in complex with the Smac-mimetic compound Smac037=== | ||
| + | {{ABSTRACT_PUBMED_20954235}} | ||
| - | + | ==Function== | |
| - | + | [[http://www.uniprot.org/uniprot/BIRC2_HUMAN BIRC2_HUMAN]] Multi-functional protein which regulates not only caspases and apoptosis, but also modulates inflammatory signaling and immunity, mitogenic kinase signaling, and cell proliferation, as well as cell invasion and metastasis. Acts as an E3 ubiquitin-protein ligase regulating NF-kappa-B signaling and regulates both canonical and non-canonical NF-kappa-B signaling by acting in opposite directions: acts as a positive regulator of the canonical pathway and suppresses constitutive activation of non-canonical NF-kappa-B signaling. The target proteins for its E3 ubiquitin-protein ligase activity include: RIPK1, RIPK2, RIPK3, RIPK4, CASP3, CASP7, CASP8, TRAF2, DIABLO/SMAC, MAP3K14/NIK, MAP3K5/ASK1, IKBKG/NEMO and MXD1/MAD1. Can also function as an E3 ubiquitin-protein ligase of the NEDD8 conjugation pathway, targeting effector caspases for neddylation and inactivation. Acts as an important regulator of innate immune signaling via regulation of Toll-like receptors (TLRs), Nodlike receptors (NLRs) and RIG-I like receptors (RLRs), collectively referred to as pattern recognition receptors (PRRs). Protects cells from spontaneous formation of the ripoptosome, a large multi-protein complex that has the capability to kill cancer cells in a caspase-dependent and caspase-independent manner. Suppresses ripoptosome formation by ubiquitinating RIPK1 and CASP8. Can stimulate the transcriptional activity of E2F1. Plays a role in the modulation of the cell cycle.<ref>PMID:15665297</ref> <ref>PMID:18082613</ref> <ref>PMID:21145488</ref> <ref>PMID:21653699</ref> <ref>PMID:21931591</ref> | |
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==About this Structure== | ==About this Structure== | ||
| - | + | [[3mup]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MUP OCA]. | |
==Reference== | ==Reference== | ||
| - | <ref group="xtra">PMID: | + | <ref group="xtra">PMID:020954235</ref><references group="xtra"/><references/> |
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Canevari, G.]] | [[Category: Canevari, G.]] | ||
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[[Category: Apoptosis inhibitor]] | [[Category: Apoptosis inhibitor]] | ||
[[Category: Zinc-finger motif]] | [[Category: Zinc-finger motif]] | ||
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| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Nov 24 14:15:41 2010'' | ||
Revision as of 20:44, 17 April 2013
Contents |
cIAP1-BIR3 domain in complex with the Smac-mimetic compound Smac037
Template:ABSTRACT PUBMED 20954235
Function
[BIRC2_HUMAN] Multi-functional protein which regulates not only caspases and apoptosis, but also modulates inflammatory signaling and immunity, mitogenic kinase signaling, and cell proliferation, as well as cell invasion and metastasis. Acts as an E3 ubiquitin-protein ligase regulating NF-kappa-B signaling and regulates both canonical and non-canonical NF-kappa-B signaling by acting in opposite directions: acts as a positive regulator of the canonical pathway and suppresses constitutive activation of non-canonical NF-kappa-B signaling. The target proteins for its E3 ubiquitin-protein ligase activity include: RIPK1, RIPK2, RIPK3, RIPK4, CASP3, CASP7, CASP8, TRAF2, DIABLO/SMAC, MAP3K14/NIK, MAP3K5/ASK1, IKBKG/NEMO and MXD1/MAD1. Can also function as an E3 ubiquitin-protein ligase of the NEDD8 conjugation pathway, targeting effector caspases for neddylation and inactivation. Acts as an important regulator of innate immune signaling via regulation of Toll-like receptors (TLRs), Nodlike receptors (NLRs) and RIG-I like receptors (RLRs), collectively referred to as pattern recognition receptors (PRRs). Protects cells from spontaneous formation of the ripoptosome, a large multi-protein complex that has the capability to kill cancer cells in a caspase-dependent and caspase-independent manner. Suppresses ripoptosome formation by ubiquitinating RIPK1 and CASP8. Can stimulate the transcriptional activity of E2F1. Plays a role in the modulation of the cell cycle.[1] [2] [3] [4] [5]
About this Structure
3mup is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
- Cossu F, Malvezzi F, Canevari G, Mastrangelo E, Lecis D, Delia D, Seneci P, Scolastico C, Bolognesi M, Milani M. Recognition of Smac-mimetic compounds by the BIR3 domain of cIAP1. Protein Sci. 2010 Oct 15. PMID:20954235 doi:10.1002/pro.523
- ↑ Samuel T, Okada K, Hyer M, Welsh K, Zapata JM, Reed JC. cIAP1 Localizes to the nuclear compartment and modulates the cell cycle. Cancer Res. 2005 Jan 1;65(1):210-8. PMID:15665297
- ↑ Xu L, Zhu J, Hu X, Zhu H, Kim HT, LaBaer J, Goldberg A, Yuan J. c-IAP1 cooperates with Myc by acting as a ubiquitin ligase for Mad1. Mol Cell. 2007 Dec 14;28(5):914-22. PMID:18082613 doi:10.1016/j.molcel.2007.10.027
- ↑ Broemer M, Tenev T, Rigbolt KT, Hempel S, Blagoev B, Silke J, Ditzel M, Meier P. Systematic in vivo RNAi analysis identifies IAPs as NEDD8-E3 ligases. Mol Cell. 2010 Dec 10;40(5):810-22. doi: 10.1016/j.molcel.2010.11.011. PMID:21145488 doi:10.1016/j.molcel.2010.11.011
- ↑ Cartier J, Berthelet J, Marivin A, Gemble S, Edmond V, Plenchette S, Lagrange B, Hammann A, Dupoux A, Delva L, Eymin B, Solary E, Dubrez L. Cellular inhibitor of apoptosis protein-1 (cIAP1) can regulate E2F1 transcription factor-mediated control of cyclin transcription. J Biol Chem. 2011 Jul 29;286(30):26406-17. doi: 10.1074/jbc.M110.191239. Epub, 2011 Jun 8. PMID:21653699 doi:10.1074/jbc.M110.191239
- ↑ Bertrand MJ, Lippens S, Staes A, Gilbert B, Roelandt R, De Medts J, Gevaert K, Declercq W, Vandenabeele P. cIAP1/2 are direct E3 ligases conjugating diverse types of ubiquitin chains to receptor interacting proteins kinases 1 to 4 (RIP1-4). PLoS One. 2011;6(9):e22356. doi: 10.1371/journal.pone.0022356. Epub 2011 Sep 12. PMID:21931591 doi:10.1371/journal.pone.0022356
