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2i3i

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==Structure of an ML-IAP/XIAP chimera bound to a peptidomimetic==
==Structure of an ML-IAP/XIAP chimera bound to a peptidomimetic==
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<StructureSection load='2i3i' size='340' side='right' caption='[[2i3i]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
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<StructureSection load='2i3i' size='340' side='right'caption='[[2i3i]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2i3i]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I3I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I3I FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2i3i]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I3I OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2I3I FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=618:(3R,6R,9AR)-2,2-DIMETHYL-6-[(N-METHYL-L-ALANYL)AMINO]-N-(3-METHYL-1-PHENYL-1H-PYRAZOL-5-YL)-5-OXO-2,3,5,6,9,9A-HEXAHYDRO[1,3]THIAZOLO[3,2-A]AZEPINE-3-CARBOXAMIDE'>618</scene>, <scene name='pdbligand=BTB:2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>BTB</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=LI:LITHIUM+ION'>LI</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=618:(3R,6R,9AR)-2,2-DIMETHYL-6-[(N-METHYL-L-ALANYL)AMINO]-N-(3-METHYL-1-PHENYL-1H-PYRAZOL-5-YL)-5-OXO-2,3,5,6,9,9A-HEXAHYDRO[1,3]THIAZOLO[3,2-A]AZEPINE-3-CARBOXAMIDE'>618</scene>, <scene name='pdbligand=BTB:2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>BTB</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=LI:LITHIUM+ION'>LI</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1tw6|1tw6]], [[1oxn|1oxn]], [[1oxq|1oxq]], [[1oy7|1oy7]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1tw6|1tw6]], [[1oxn|1oxn]], [[1oxq|1oxq]], [[1oy7|1oy7]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BIRC7 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BIRC7 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2i3i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i3i OCA], [http://pdbe.org/2i3i PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2i3i RCSB], [http://www.ebi.ac.uk/pdbsum/2i3i PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2i3i ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2i3i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i3i OCA], [https://pdbe.org/2i3i PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2i3i RCSB], [https://www.ebi.ac.uk/pdbsum/2i3i PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2i3i ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/BIRC7_HUMAN BIRC7_HUMAN]] Apoptotic regulator capable of exerting proapoptotic and anti-apoptotic activities and plays crucial roles in apoptosis, cell proliferation, and cell cycle control. Its anti-apoptotic activity is mediated through the inhibition of CASP3, CASP7 and CASP9, as well as by its E3 ubiquitin-protein ligase activity. As it is a weak caspase inhibitor, its anti-apoptotic activity is thought to be due to its ability to ubiquitinate DIABLO/SMAC targeting it for degradation thereby promoting cell survival. May contribute to caspase inhibition, by blocking the ability of DIABLO/SMAC to disrupt XIAP/BIRC4-caspase interactions. Protects against apoptosis induced by TNF or by chemical agents such as adriamycin, etoposide or staurosporine. Suppression of apoptosis is mediated by activation of MAPK8/JNK1, and possibly also of MAPK9/JNK2. This activation depends on TAB1 and NR2C2/TAK1. In vitro, inhibits CASP3 and proteolytic activation of pro-CASP9. Isoform 1 blocks staurosporine-induced apoptosis. Isoform 2 blocks etoposide-induced apoptosis. Isoform 2 protects against natural killer (NK) cell killing whereas isoform 1 augments killing.<ref>PMID:11084335</ref> <ref>PMID:16729033</ref> <ref>PMID:17294084</ref> <ref>PMID:18034418</ref>
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[[https://www.uniprot.org/uniprot/BIRC7_HUMAN BIRC7_HUMAN]] Apoptotic regulator capable of exerting proapoptotic and anti-apoptotic activities and plays crucial roles in apoptosis, cell proliferation, and cell cycle control. Its anti-apoptotic activity is mediated through the inhibition of CASP3, CASP7 and CASP9, as well as by its E3 ubiquitin-protein ligase activity. As it is a weak caspase inhibitor, its anti-apoptotic activity is thought to be due to its ability to ubiquitinate DIABLO/SMAC targeting it for degradation thereby promoting cell survival. May contribute to caspase inhibition, by blocking the ability of DIABLO/SMAC to disrupt XIAP/BIRC4-caspase interactions. Protects against apoptosis induced by TNF or by chemical agents such as adriamycin, etoposide or staurosporine. Suppression of apoptosis is mediated by activation of MAPK8/JNK1, and possibly also of MAPK9/JNK2. This activation depends on TAB1 and NR2C2/TAK1. In vitro, inhibits CASP3 and proteolytic activation of pro-CASP9. Isoform 1 blocks staurosporine-induced apoptosis. Isoform 2 blocks etoposide-induced apoptosis. Isoform 2 protects against natural killer (NK) cell killing whereas isoform 1 augments killing.<ref>PMID:11084335</ref> <ref>PMID:16729033</ref> <ref>PMID:17294084</ref> <ref>PMID:18034418</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
<jmolCheckbox>
<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i3/2i3i_consurf.spt"</scriptWhenChecked>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i3/2i3i_consurf.spt"</scriptWhenChecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
<text>to colour the structure by Evolutionary Conservation</text>
<text>to colour the structure by Evolutionary Conservation</text>
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</div>
</div>
<div class="pdbe-citations 2i3i" style="background-color:#fffaf0;"></div>
<div class="pdbe-citations 2i3i" style="background-color:#fffaf0;"></div>
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==See Also==
 
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*[[Baculoviral IAP repeat-containing protein|Baculoviral IAP repeat-containing protein]]
 
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Human]]
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[[Category: Large Structures]]
[[Category: Fairbrother, W J]]
[[Category: Fairbrother, W J]]
[[Category: Franklin, M C]]
[[Category: Franklin, M C]]

Revision as of 07:27, 24 March 2021

Structure of an ML-IAP/XIAP chimera bound to a peptidomimetic

PDB ID 2i3i

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