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<StructureSection load='2vuw' size='340' side='right'caption='[[2vuw]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='2vuw' size='340' side='right'caption='[[2vuw]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2vuw]] 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=2VUW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2VUW FirstGlance]. <br>
<table><tr><td colspan='2'>[[2vuw]] 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=2VUW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2VUW FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=5ID:(2R,3R,4S,5R)-2-(4-AMINO-5-IODO-7H-PYRROLO[2,3-D]PYRIMIDIN-7-YL)-5-(HYDROXYMETHYL)TETRAHYDROFURAN-3,4-DIOL'>5ID</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</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]] 1.8&#8491;</td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=5ID:(2R,3R,4S,5R)-2-(4-AMINO-5-IODO-7H-PYRROLO[2,3-D]PYRIMIDIN-7-YL)-5-(HYDROXYMETHYL)TETRAHYDROFURAN-3,4-DIOL'>5ID</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene></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_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] </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=2vuw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2vuw OCA], [https://pdbe.org/2vuw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2vuw RCSB], [https://www.ebi.ac.uk/pdbsum/2vuw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2vuw 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=2vuw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2vuw OCA], [https://pdbe.org/2vuw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2vuw RCSB], [https://www.ebi.ac.uk/pdbsum/2vuw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2vuw ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/HASP_HUMAN HASP_HUMAN]] Serine/threonine-protein kinase that phosphorylates histone H3 at 'Ser-3' (H3T3ph) during mitosis. This positions and activates AURKB and other components of the chromosomal passenger complex (CPC) at centromeres to ensure proper chromatid cohesion, metaphase alignment and normal progression through the cell cycle.<ref>PMID:11228240</ref> <ref>PMID:15681610</ref> <ref>PMID:17084365</ref> <ref>PMID:20705812</ref> <ref>PMID:20929775</ref>
[https://www.uniprot.org/uniprot/HASP_HUMAN HASP_HUMAN] Serine/threonine-protein kinase that phosphorylates histone H3 at 'Ser-3' (H3T3ph) during mitosis. This positions and activates AURKB and other components of the chromosomal passenger complex (CPC) at centromeres to ensure proper chromatid cohesion, metaphase alignment and normal progression through the cell cycle.<ref>PMID:11228240</ref> <ref>PMID:15681610</ref> <ref>PMID:17084365</ref> <ref>PMID:20705812</ref> <ref>PMID:20929775</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2vuw ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2vuw ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The protein kinase haspin/Gsg2 plays an important role in mitosis, where it specifically phosphorylates Thr-3 in histone H3 (H3T3). Its protein sequence is only weakly homologous to other protein kinases and lacks the highly conserved motifs normally required for kinase activity. Here we report structures of human haspin in complex with ATP and the inhibitor iodotubercidin. These structures reveal a constitutively active kinase conformation, stabilized by haspin-specific inserts. Haspin also has a highly atypical activation segment well adapted for specific recognition of the basic histone tail. Despite the lack of a DFG motif, ATP binding to haspin is similar to that in classical kinases; however, the ATP gamma-phosphate forms hydrogen bonds with the conserved catalytic loop residues Asp-649 and His-651, and a His651Ala haspin mutant is inactive, suggesting a direct role for the catalytic loop in ATP recognition. Enzyme kinetic data show that haspin phosphorylates substrate peptides through a rapid equilibrium random mechanism. A detailed analysis of histone modifications in the neighborhood of H3T3 reveals that increasing methylation at Lys-4 (H3K4) strongly decreases substrate recognition, suggesting a key role of H3K4 methylation in the regulation of haspin activity.
Structure and functional characterization of the atypical human kinase haspin.,Eswaran J, Patnaik D, Filippakopoulos P, Wang F, Stein RL, Murray JW, Higgins JM, Knapp S Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20198-203. Epub 2009 Nov 16. PMID:19918057<ref>PMID:19918057</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2vuw" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Arrowsmith CH]]
[[Category: Arrowsmith, C H]]
[[Category: Bountra C]]
[[Category: Bountra, C]]
[[Category: Bray J]]
[[Category: Bray, J]]
[[Category: Burgess-Brown N]]
[[Category: Burgess-Brown, N]]
[[Category: Edwards AM]]
[[Category: Delft, F von]]
[[Category: Eswaran J]]
[[Category: Edwards, A M]]
[[Category: Fedorov O]]
[[Category: Eswaran, J]]
[[Category: Filippakopoulos P]]
[[Category: Fedorov, O]]
[[Category: Keates T]]
[[Category: Filippakopoulos, P]]
[[Category: King O]]
[[Category: Keates, T]]
[[Category: Knapp S]]
[[Category: King, O]]
[[Category: Murray JW]]
[[Category: Knapp, S]]
[[Category: Picaud S]]
[[Category: Murray, J W]]
[[Category: Pike ACW]]
[[Category: Picaud, S]]
[[Category: Soundararajan M]]
[[Category: Pike, A C.W]]
[[Category: Wickstroem M]]
[[Category: Soundararajan, M]]
[[Category: Von Delft F]]
[[Category: Wickstroem, M]]
[[Category: Casp8]]
[[Category: Cell cycle]]
[[Category: Nucleotide binding]]
[[Category: Transferase]]

Revision as of 07:08, 1 May 2024

Structure of human haspin kinase domain

2vuw, resolution 1.80Å

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