4ieh: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4ieh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4IEH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4IEH FirstGlance]. <br>
<table><tr><td colspan='2'>[[4ieh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4IEH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4IEH FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1E9:N-(6-{4-[(4-CHLOROBIPHENYL-2-YL)METHYL]PIPERAZIN-1-YL}-1,1-DIOXIDO-1,2-BENZOTHIAZOL-3-YL)-4-{[(2R)-4-(DIMETHYLAMINO)-1-(PHENYLSULFANYL)BUTAN-2-YL]AMINO}-3-NITROBENZENESULFONAMIDE'>1E9</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1E9:N-(6-{4-[(4-CHLOROBIPHENYL-2-YL)METHYL]PIPERAZIN-1-YL}-1,1-DIOXIDO-1,2-BENZOTHIAZOL-3-YL)-4-{[(2R)-4-(DIMETHYLAMINO)-1-(PHENYLSULFANYL)BUTAN-2-YL]AMINO}-3-NITROBENZENESULFONAMIDE'>1E9</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4ieh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ieh OCA], [https://pdbe.org/4ieh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ieh RCSB], [https://www.ebi.ac.uk/pdbsum/4ieh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ieh ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4ieh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ieh OCA], [https://pdbe.org/4ieh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ieh RCSB], [https://www.ebi.ac.uk/pdbsum/4ieh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ieh ProSAT]</span></td></tr>
</table>
</table>
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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/B2CL1_HUMAN B2CL1_HUMAN] Potent inhibitor of cell death. Inhibits activation of caspases (By similarity). Appears to regulate cell death by blocking the voltage-dependent anion channel (VDAC) by binding to it and preventing the release of the caspase activator, CYC1, from the mitochondrial membrane. Also acts as a regulator of G2 checkpoint and progression to cytokinesis during mitosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref>  Isoform Bcl-X(S) promotes apoptosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref> [https://www.uniprot.org/uniprot/BCL2_HUMAN BCL2_HUMAN] Suppresses apoptosis in a variety of cell systems including factor-dependent lymphohematopoietic and neural cells. Regulates cell death by controlling the mitochondrial membrane permeability. Appears to function in a feedback loop system with caspases. Inhibits caspase activity either by preventing the release of cytochrome c from the mitochondria and/or by binding to the apoptosis-activating factor (APAF-1).<ref>PMID:18570871</ref>  
[https://www.uniprot.org/uniprot/B2CL1_HUMAN B2CL1_HUMAN] Potent inhibitor of cell death. Inhibits activation of caspases (By similarity). Appears to regulate cell death by blocking the voltage-dependent anion channel (VDAC) by binding to it and preventing the release of the caspase activator, CYC1, from the mitochondrial membrane. Also acts as a regulator of G2 checkpoint and progression to cytokinesis during mitosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref>  Isoform Bcl-X(S) promotes apoptosis.<ref>PMID:19917720</ref> <ref>PMID:21840391</ref> [https://www.uniprot.org/uniprot/BCL2_HUMAN BCL2_HUMAN] Suppresses apoptosis in a variety of cell systems including factor-dependent lymphohematopoietic and neural cells. Regulates cell death by controlling the mitochondrial membrane permeability. Appears to function in a feedback loop system with caspases. Inhibits caspase activity either by preventing the release of cytochrome c from the mitochondria and/or by binding to the apoptosis-activating factor (APAF-1).<ref>PMID:18570871</ref>  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Overexpression of the antiapoptotic members of the Bcl-2 family of proteins is commonly associated with cancer cell survival and resistance to chemotherapeutics. Here, we describe the structure-based optimization of a series of N-heteroaryl sulfonamides that demonstrate potent mechanism-based cell death. The role of the acidic nature of the sulfonamide moiety as it relates to potency, solubility, and clearance is examined. This has led to the discovery of novel heterocyclic replacements for the acylsulfonamide core of ABT-737 and ABT-263.
The role of the acidity of N-heteroaryl sulfonamides as inhibitors of bcl-2 family protein-protein interactions.,Toure BB, Miller-Moslin K, Yusuff N, Perez L, Dore M, Joud C, Michael W, DiPietro L, van der Plas S, McEwan M, Lenoir F, Hoe M, Karki R, Springer C, Sullivan J, Levine K, Fiorilla C, Xie X, Kulathila R, Herlihy K, Porter D, Visser M ACS Med Chem Lett. 2013 Jan 4;4(2):186-90. doi: 10.1021/ml300321d. eCollection, 2013 Feb 14. PMID:24900652<ref>PMID:24900652</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4ieh" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
Retrieved from "https://proteopedia.org/4ieh"