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| | <StructureSection load='3biz' size='340' side='right'caption='[[3biz]], [[Resolution|resolution]] 2.20Å' scene=''> | | <StructureSection load='3biz' size='340' side='right'caption='[[3biz]], [[Resolution|resolution]] 2.20Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[3biz]] is a 1 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=3BIZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BIZ FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[3biz]] 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=3BIZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BIZ FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=61E:4-(2-CHLOROPHENYL)-8-[3-(DIMETHYLAMINO)PROPOXY]-9-HYDROXY-6-METHYLPYRROLO[3,4-C]CARBAZOLE-1,3(2H,6H)-DIONE'>61E</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</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]] 2.2Å</td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1x8b|1x8b]]</div></td></tr>
| + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=61E:4-(2-CHLOROPHENYL)-8-[3-(DIMETHYLAMINO)PROPOXY]-9-HYDROXY-6-METHYLPYRROLO[3,4-C]CARBAZOLE-1,3(2H,6H)-DIONE'>61E</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">WEE1 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
| + | |
| - | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Non-specific_protein-tyrosine_kinase Non-specific protein-tyrosine kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.10.2 2.7.10.2] </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=3biz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3biz OCA], [https://pdbe.org/3biz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3biz RCSB], [https://www.ebi.ac.uk/pdbsum/3biz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3biz 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=3biz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3biz OCA], [https://pdbe.org/3biz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3biz RCSB], [https://www.ebi.ac.uk/pdbsum/3biz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3biz ProSAT]</span></td></tr> |
| | </table> | | </table> |
| | == Function == | | == Function == |
| - | [[https://www.uniprot.org/uniprot/WEE1_HUMAN WEE1_HUMAN]] Acts as a negative regulator of entry into mitosis (G2 to M transition) by protecting the nucleus from cytoplasmically activated cyclin B1-complexed CDK1 before the onset of mitosis by mediating phosphorylation of CDK1 on 'Tyr-15'. Specifically phosphorylates and inactivates cyclin B1-complexed CDK1 reaching a maximum during G2 phase and a minimum as cells enter M phase. Phosphorylation of cyclin B1-CDK1 occurs exclusively on 'Tyr-15' and phosphorylation of monomeric CDK1 does not occur. Its activity increases during S and G2 phases and decreases at M phase when it is hyperphosphorylated. A correlated decrease in protein level occurs at M/G1 phase, probably due to its degradation.
| + | [https://www.uniprot.org/uniprot/WEE1_HUMAN WEE1_HUMAN] Acts as a negative regulator of entry into mitosis (G2 to M transition) by protecting the nucleus from cytoplasmically activated cyclin B1-complexed CDK1 before the onset of mitosis by mediating phosphorylation of CDK1 on 'Tyr-15'. Specifically phosphorylates and inactivates cyclin B1-complexed CDK1 reaching a maximum during G2 phase and a minimum as cells enter M phase. Phosphorylation of cyclin B1-CDK1 occurs exclusively on 'Tyr-15' and phosphorylation of monomeric CDK1 does not occur. Its activity increases during S and G2 phases and decreases at M phase when it is hyperphosphorylated. A correlated decrease in protein level occurs at M/G1 phase, probably due to its degradation. |
| | == Evolutionary Conservation == | | == Evolutionary Conservation == |
| | [[Image:Consurf_key_small.gif|200px|right]] | | [[Image:Consurf_key_small.gif|200px|right]] |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Human]] | + | [[Category: Homo sapiens]] |
| | [[Category: Large Structures]] | | [[Category: Large Structures]] |
| - | [[Category: Non-specific protein-tyrosine kinase]]
| + | [[Category: Baker EN]] |
| - | [[Category: Baker, E N]] | + | [[Category: Dickson JM]] |
| - | [[Category: Dickson, J M]] | + | [[Category: Ivanovic I]] |
| - | [[Category: Ivanovic, I]] | + | [[Category: Squire CJ]] |
| - | [[Category: Squire, C J]] | + | |
| - | [[Category: Atp-binding]]
| + | |
| - | [[Category: Cell cycle]]
| + | |
| - | [[Category: Cell division]]
| + | |
| - | [[Category: Inhibitor complex]]
| + | |
| - | [[Category: Kinase domain]]
| + | |
| - | [[Category: Magnesium]]
| + | |
| - | [[Category: Metal-binding]]
| + | |
| - | [[Category: Mitosis]]
| + | |
| - | [[Category: Nucleotide-binding]]
| + | |
| - | [[Category: Nucleus]]
| + | |
| - | [[Category: Phosphoprotein]]
| + | |
| - | [[Category: Transferase]]
| + | |
| - | [[Category: Tyrosine-protein kinase]]
| + | |
| Structural highlights
Function
WEE1_HUMAN Acts as a negative regulator of entry into mitosis (G2 to M transition) by protecting the nucleus from cytoplasmically activated cyclin B1-complexed CDK1 before the onset of mitosis by mediating phosphorylation of CDK1 on 'Tyr-15'. Specifically phosphorylates and inactivates cyclin B1-complexed CDK1 reaching a maximum during G2 phase and a minimum as cells enter M phase. Phosphorylation of cyclin B1-CDK1 occurs exclusively on 'Tyr-15' and phosphorylation of monomeric CDK1 does not occur. Its activity increases during S and G2 phases and decreases at M phase when it is hyperphosphorylated. A correlated decrease in protein level occurs at M/G1 phase, probably due to its degradation.
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
Pyrrolo[3,4-c]carbazoles bearing solubilising basic side chains at the 8-position retain potent Wee1 and Chk1 inhibitory properties in isolated enzyme assays, and evidence of G2/M checkpoint abrogation in several cellular assays. Co-crystal structure studies confirm that the primary binding to the Wee1 enzyme is as described previously, with the C-8 side chains residing in an area of bulk tolerance.
Synthesis and structure-activity relationships of soluble 8-substituted 4-(2-chlorophenyl)-9-hydroxypyrrolo[3,4-c]carbazole-1,3(2H,6H)-diones as inhibitors of the Wee1 and Chk1 checkpoint kinases.,Smaill JB, Lee HH, Palmer BD, Thompson AM, Squire CJ, Baker EN, Booth RJ, Kraker A, Hook K, Denny WA Bioorg Med Chem Lett. 2008 Feb 1;18(3):929-33. Epub 2008 Jan 11. PMID:18191399[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Smaill JB, Lee HH, Palmer BD, Thompson AM, Squire CJ, Baker EN, Booth RJ, Kraker A, Hook K, Denny WA. Synthesis and structure-activity relationships of soluble 8-substituted 4-(2-chlorophenyl)-9-hydroxypyrrolo[3,4-c]carbazole-1,3(2H,6H)-diones as inhibitors of the Wee1 and Chk1 checkpoint kinases. Bioorg Med Chem Lett. 2008 Feb 1;18(3):929-33. Epub 2008 Jan 11. PMID:18191399 doi:10.1016/j.bmcl.2007.12.046
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