This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.

Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.

5a7n

From Proteopedia

(Difference between revisions)

Jump to: navigation, search

Revision as of 20:25, 24 January 2018

Crystal structure of human JMJD2A in complex with compound 43

Structural highlights

5a7n is a 2 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	, , , ,
Related:	5a7o, 5a7p, 5a7q, 5a7s, 5a7w, 5a80
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[KDM4A_HUMAN] Histone demethylase that specifically demethylates 'Lys-9' and 'Lys-36' residues of histone H3, thereby playing a central role in histone code. Does not demethylate histone H3 'Lys-4', H3 'Lys-27' nor H4 'Lys-20'. Demethylates trimethylated H3 'Lys-9' and H3 'Lys-36' residue, while it has no activity on mono- and dimethylated residues. Demethylation of Lys residue generates formaldehyde and succinate. Participates in transcriptional repression of ASCL2 and E2F-responsive promoters via the recruitment of histone deacetylases and NCOR1, respectively.^[1] ^[2] ^[3] Isoform 2: Crucial for muscle differentiation, promotes transcriptional activation of the Myog gene by directing the removal of repressive chromatin marks at its promoter. Lacks the N-terminal demethylase domain.^[4] ^[5] ^[6]

Publication Abstract from PubMed

Development of tool molecules that inhibit Jumonji demethylases allows for the investigation of cancer-associated transcription. While scaffolds such as 2,4-pyridinedicarboxylic acid (2,4-PDCA) are potent inhibitors, they exhibit limited selectivity. To discover new inhibitors for the KDM4 demethylases, enzymes overexpressed in several cancers, we docked a library of 600000 fragments into the high-resolution structure of KDM4A. Among the most interesting chemotypes were the 5-aminosalicylates, which docked in two distinct but overlapping orientations. Docking poses informed the design of covalently linked fragment compounds, which were further derivatized. This combined approach improved affinity by approximately 3 log-orders to yield compound 35 (Ki = 43 nM). Several hybrid inhibitors were selective for KDM4C over the related enzymes FIH, KDM2A, and KDM6B while lacking selectivity against the KDM3 and KDM5 subfamilies. Cocrystal structures corroborated the docking predictions. This study extends the use of structure-based docking from fragment discovery to fragment linking optimization, yielding novel KDM4 inhibitors.

Docking and Linking of Fragments To Discover Jumonji Histone Demethylase Inhibitors.,Korczynska M, Le DD, Younger N, Gregori-Puigjane E, Tumber A, Krojer T, Velupillai S, Gileadi C, Nowak RP, Iwasa E, Pollock SB, Ortiz Torres I, Oppermann U, Shoichet BK, Fujimori DG J Med Chem. 2015 Dec 23. PMID:26699912^[7]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Zhang D, Yoon HG, Wong J. JMJD2A is a novel N-CoR-interacting protein and is involved in repression of the human transcription factor achaete scute-like homologue 2 (ASCL2/Hash2). Mol Cell Biol. 2005 Aug;25(15):6404-14. PMID:16024779 doi:http://dx.doi.org/25/15/6404
↑ Whetstine JR, Nottke A, Lan F, Huarte M, Smolikov S, Chen Z, Spooner E, Li E, Zhang G, Colaiacovo M, Shi Y. Reversal of histone lysine trimethylation by the JMJD2 family of histone demethylases. Cell. 2006 May 5;125(3):467-81. Epub 2006 Apr 6. PMID:16603238 doi:10.1016/j.cell.2006.03.028
↑ Verrier L, Escaffit F, Chailleux C, Trouche D, Vandromme M. A new isoform of the histone demethylase JMJD2A/KDM4A is required for skeletal muscle differentiation. PLoS Genet. 2011 Jun;7(6):e1001390. doi: 10.1371/journal.pgen.1001390. Epub 2011 , Jun 2. PMID:21694756 doi:http://dx.doi.org/10.1371/journal.pgen.1001390
↑ Zhang D, Yoon HG, Wong J. JMJD2A is a novel N-CoR-interacting protein and is involved in repression of the human transcription factor achaete scute-like homologue 2 (ASCL2/Hash2). Mol Cell Biol. 2005 Aug;25(15):6404-14. PMID:16024779 doi:http://dx.doi.org/25/15/6404
↑ Whetstine JR, Nottke A, Lan F, Huarte M, Smolikov S, Chen Z, Spooner E, Li E, Zhang G, Colaiacovo M, Shi Y. Reversal of histone lysine trimethylation by the JMJD2 family of histone demethylases. Cell. 2006 May 5;125(3):467-81. Epub 2006 Apr 6. PMID:16603238 doi:10.1016/j.cell.2006.03.028
↑ Verrier L, Escaffit F, Chailleux C, Trouche D, Vandromme M. A new isoform of the histone demethylase JMJD2A/KDM4A is required for skeletal muscle differentiation. PLoS Genet. 2011 Jun;7(6):e1001390. doi: 10.1371/journal.pgen.1001390. Epub 2011 , Jun 2. PMID:21694756 doi:http://dx.doi.org/10.1371/journal.pgen.1001390
↑ Korczynska M, Le DD, Younger N, Gregori-Puigjane E, Tumber A, Krojer T, Velupillai S, Gileadi C, Nowak RP, Iwasa E, Pollock SB, Ortiz Torres I, Oppermann U, Shoichet BK, Fujimori DG. Docking and Linking of Fragments To Discover Jumonji Histone Demethylase Inhibitors. J Med Chem. 2015 Dec 23. PMID:26699912 doi:http://dx.doi.org/10.1021/acs.jmedchem.5b01527

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/5a7n"

@@ Line 3: / Line 3: @@
 <StructureSection load='5a7n' size='340' side='right' caption='[[5a7n]], [[Resolution|resolution]] 2.39&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[5a7n]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5A7N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5A7N FirstGlance]. <br>
+<table><tr><td colspan='2'>[[5a7n]] 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=5A7N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5A7N FirstGlance]. <br>
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=VAO:2-(5-CYANO-2-OXIDANYL-PHENYL)PYRIDINE-4-CARBOXYLIC+ACID'>VAO</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
 <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5a7o|5a7o]], [[5a7p|5a7p]], [[5a7q|5a7q]], [[5a7s|5a7s]], [[5a7w|5a7w]], [[5a80|5a80]]</td></tr>
-<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=5a7n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5a7n OCA], [http://pdbe.org/5a7n PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5a7n RCSB], [http://www.ebi.ac.uk/pdbsum/5a7n PDBsum]</span></td></tr>
+<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=5a7n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5a7n OCA], [http://pdbe.org/5a7n PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5a7n RCSB], [http://www.ebi.ac.uk/pdbsum/5a7n PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5a7n ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 23: / Line 23: @@
 __TOC__
 </StructureSection>
+[[Category: Human]]
 [[Category: Arrowsmith, C H]]
 [[Category: Bountra, C]]
-[[Category: Delft, F Von]]
+[[Category: Delft, F von]]
 [[Category: Edwards, A]]
 [[Category: Fujimori, D G]]

5a7n

From Proteopedia

Revision as of 20:25, 24 January 2018

Crystal structure of human JMJD2A in complex with compound 43

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox