1u4d

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[[Image:1u4d.gif|left|200px]]<br /><applet load="1u4d" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:1u4d.gif|left|200px]]
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caption="1u4d, resolution 2.10&Aring;" />
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'''Structure of the ACK1 Kinase Domain bound to Debromohymenialdisine'''<br />
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{{Structure
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|PDB= 1u4d |SIZE=350|CAPTION= <scene name='initialview01'>1u4d</scene>, resolution 2.10&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene> and <scene name='pdbligand=DBQ:DEBROMOHYMENIALDISINE'>DBQ</scene>
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|ACTIVITY= [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]
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|GENE= ACK1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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}}
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'''Structure of the ACK1 Kinase Domain bound to Debromohymenialdisine'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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1U4D is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with <scene name='pdbligand=CL:'>CL</scene> and <scene name='pdbligand=DBQ:'>DBQ</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [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] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U4D OCA].
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1U4D is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U4D OCA].
==Reference==
==Reference==
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Crystal structures of the phosphorylated and unphosphorylated kinase domains of the Cdc42-associated tyrosine kinase ACK1., Lougheed JC, Chen RH, Mak P, Stout TJ, J Biol Chem. 2004 Oct 15;279(42):44039-45. Epub 2004 Aug 11. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15308621 15308621]
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Crystal structures of the phosphorylated and unphosphorylated kinase domains of the Cdc42-associated tyrosine kinase ACK1., Lougheed JC, Chen RH, Mak P, Stout TJ, J Biol Chem. 2004 Oct 15;279(42):44039-45. Epub 2004 Aug 11. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15308621 15308621]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: tyrosine kinase]]
[[Category: tyrosine kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:20:29 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:27:11 2008''

Revision as of 12:27, 20 March 2008

Image:1u4d.gif


PDB ID 1u4d

Drag the structure with the mouse to rotate
, resolution 2.10Å
Ligands: and
Gene: ACK1 (Homo sapiens)
Activity: Transferase, with EC number and 2.7.10.2 2.7.10.1 and 2.7.10.2
Coordinates: save as pdb, mmCIF, xml



Structure of the ACK1 Kinase Domain bound to Debromohymenialdisine


Overview

ACK1 is a multidomain non-receptor tyrosine kinase that is an effector of the Cdc42 GTPase. Members of the ACK family have a unique domain ordering and are the only tyrosine kinases known to interact with Cdc42. In contrast with many protein kinases, ACK1 has only a modest increase in activity upon phosphorylation. We have solved the crystal structures of the human ACK1 kinase domain in both the unphosphorylated and phosphorylated states. Comparison of these structures reveals that ACK1 adopts an activated conformation independent of phosphorylation. Furthermore, the unphosphorylated activation loop is structured, and its conformation resembles that seen in activated tyrosine kinases. In addition to the apo structure, complexes are also presented with a non-hydrolyzable nucleotide analog (adenosine 5'-(beta,gamma-methylenetriphosphate)) and with the natural product debromohymenialdisine, a general inhibitor of many protein kinases. Analysis of these structures reveals a typical kinase fold, a pre-organization into the activated conformation, and an unusual substrate-binding cleft.

About this Structure

1U4D is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structures of the phosphorylated and unphosphorylated kinase domains of the Cdc42-associated tyrosine kinase ACK1., Lougheed JC, Chen RH, Mak P, Stout TJ, J Biol Chem. 2004 Oct 15;279(42):44039-45. Epub 2004 Aug 11. PMID:15308621

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