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{{STRUCTURE_2hck| PDB=2hck |  SCENE=  }}
==SRC FAMILY KINASE HCK-QUERCETIN COMPLEX==
===SRC FAMILY KINASE HCK-QUERCETIN COMPLEX===
<StructureSection load='2hck' size='340' side='right' caption='[[2hck]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
{{ABSTRACT_PUBMED_9024658}}
== Structural highlights ==
<table><tr><td colspan='2'>[[2hck]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The July 2003 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Src Tyrosine Kinase'' by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2003_7 10.2210/rcsb_pdb/mom_2003_7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HCK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HCK FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=QUE:3,5,7,3,4-PENTAHYDROXYFLAVONE'>QUE</scene><br>
<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HUMAN HCK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Transferase Transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.10.1 and 2.7.10.2 2.7.10.1 and 2.7.10.2] </span></td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2hck FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hck OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hck RCSB], [http://www.ebi.ac.uk/pdbsum/2hck PDBsum]</span></td></tr>
<table>
== Disease ==
[[http://www.uniprot.org/uniprot/HCK_HUMAN HCK_HUMAN]] Note=Aberrant activation of HCK by HIV-1 protein Nef enhances HIV-1 replication and contributes to HIV-1 pathogenicity.<ref>PMID:19114024</ref> <ref>PMID:20452982</ref>  Note=Aberrant activation of HCK, e.g. by the BCR-ABL fusion protein, promotes cancer cell proliferation.<ref>PMID:19114024</ref> <ref>PMID:20452982</ref>  
== Function ==
[[http://www.uniprot.org/uniprot/HCK_HUMAN HCK_HUMAN]] Non-receptor tyrosine-protein kinase found in hematopoietic cells that transmits signals from cell surface receptors and plays an important role in the regulation of innate immune responses, including neutrophil, monocyte, macrophage and mast cell functions, phagocytosis, cell survival and proliferation, cell adhesion and migration. Acts downstream of receptors that bind the Fc region of immunoglobulins, such as FCGR1A and FCGR2A, but also CSF3R, PLAUR, the receptors for IFNG, IL2, IL6 and IL8, and integrins, such as ITGB1 and ITGB2. During the phagocytic process, mediates mobilization of secretory lysosomes, degranulation, and activation of NADPH oxidase to bring about the respiratory burst. Plays a role in the release of inflammatory molecules. Promotes reorganization of the actin cytoskeleton and actin polymerization, formation of podosomes and cell protrusions. Inhibits TP73-mediated transcription activation and TP73-mediated apoptosis. Phosphorylates CBL in response to activation of immunoglobulin gamma Fc region receptors. Phosphorylates ADAM15, BCR, ELMO1, FCGR2A, GAB1, GAB2, RAPGEF1, STAT5B, TP73, VAV1 and WAS.<ref>PMID:8132624</ref> <ref>PMID:7535819</ref> <ref>PMID:9406996</ref> <ref>PMID:9407116</ref> <ref>PMID:10092522</ref> <ref>PMID:10779760</ref> <ref>PMID:10973280</ref> <ref>PMID:12411494</ref> <ref>PMID:11741929</ref> <ref>PMID:11904303</ref> <ref>PMID:11896602</ref> <ref>PMID:15010462</ref> <ref>PMID:15952790</ref> <ref>PMID:15998323</ref> <ref>PMID:17535448</ref> <ref>PMID:17310994</ref> <ref>PMID:19114024</ref> <ref>PMID:19903482</ref> <ref>PMID:20452982</ref>  
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hc/2hck_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The crystal structure of the haematopoietic cell kinase Hck has been determined at 2.6/2.9 A resolution. Inhibition of enzymatic activity is a consequence of intramolecular interactions of the enzyme's Src-homology domains SH2 and SH3, with concomitant displacement of elements of the catalytic domain. The conformation of the active site has similarities with that of inactive cyclin-dependent protein kinases.


==Disease==
Crystal structure of the Src family tyrosine kinase Hck.,Sicheri F, Moarefi I, Kuriyan J Nature. 1997 Feb 13;385(6617):602-9. PMID:9024658<ref>PMID:9024658</ref>
[[http://www.uniprot.org/uniprot/HCK_HUMAN HCK_HUMAN]] Note=Aberrant activation of HCK by HIV-1 protein Nef enhances HIV-1 replication and contributes to HIV-1 pathogenicity.<ref>PMID:19114024</ref><ref>PMID:20452982</ref>  Note=Aberrant activation of HCK, e.g. by the BCR-ABL fusion protein, promotes cancer cell proliferation.<ref>PMID:19114024</ref><ref>PMID:20452982</ref>  


==Function==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
[[http://www.uniprot.org/uniprot/HCK_HUMAN HCK_HUMAN]] Non-receptor tyrosine-protein kinase found in hematopoietic cells that transmits signals from cell surface receptors and plays an important role in the regulation of innate immune responses, including neutrophil, monocyte, macrophage and mast cell functions, phagocytosis, cell survival and proliferation, cell adhesion and migration. Acts downstream of receptors that bind the Fc region of immunoglobulins, such as FCGR1A and FCGR2A, but also CSF3R, PLAUR, the receptors for IFNG, IL2, IL6 and IL8, and integrins, such as ITGB1 and ITGB2. During the phagocytic process, mediates mobilization of secretory lysosomes, degranulation, and activation of NADPH oxidase to bring about the respiratory burst. Plays a role in the release of inflammatory molecules. Promotes reorganization of the actin cytoskeleton and actin polymerization, formation of podosomes and cell protrusions. Inhibits TP73-mediated transcription activation and TP73-mediated apoptosis. Phosphorylates CBL in response to activation of immunoglobulin gamma Fc region receptors. Phosphorylates ADAM15, BCR, ELMO1, FCGR2A, GAB1, GAB2, RAPGEF1, STAT5B, TP73, VAV1 and WAS.<ref>PMID:8132624</ref><ref>PMID:7535819</ref><ref>PMID:9406996</ref><ref>PMID:9407116</ref><ref>PMID:10092522</ref><ref>PMID:10779760</ref><ref>PMID:10973280</ref><ref>PMID:12411494</ref><ref>PMID:11741929</ref><ref>PMID:11904303</ref><ref>PMID:11896602</ref><ref>PMID:15010462</ref><ref>PMID:15952790</ref><ref>PMID:15998323</ref><ref>PMID:17535448</ref><ref>PMID:17310994</ref><ref>PMID:19114024</ref><ref>PMID:19903482</ref><ref>PMID:20452982</ref>  
</div>


==About this Structure==
==See Also==
[[2hck]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. The July 2003 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Src Tyrosine Kinase''  by David S. Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2003_7 10.2210/rcsb_pdb/mom_2003_7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HCK OCA].
*[[Tyrosine kinase|Tyrosine kinase]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:009024658</ref><references group="xtra"/><references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]

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