1sm2

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|SITE=
|SITE=
|LIGAND= <scene name='pdbligand=STU:STAUROSPORINE'>STU</scene>
|LIGAND= <scene name='pdbligand=STU:STAUROSPORINE'>STU</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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|ACTIVITY= <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>
|GENE= ITK, LYK, EMT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|GENE= ITK, LYK, EMT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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|DOMAIN=
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1sm2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sm2 OCA], [http://www.ebi.ac.uk/pdbsum/1sm2 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1sm2 RCSB]</span>
}}
}}
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==Overview==
==Overview==
Interleukin-2 tyrosine kinase, Itk, is an important member of the Tec family of non-receptor tyrosine kinases that play a central role in signaling through antigen receptors such as the T-cell receptor, B-cell receptor, and Fcepsilon. Selective inhibition of Itk may be an important way of modulating many diseases involving heightened or inappropriate activation of the immune system. In addition to an unliganded nonphophorylated Itk catalytic kinase domain, we determined the crystal structures of the phosphorylated and nonphosphorylated kinase domain bound to staurosporine, a potent broad-spectrum kinase inhibitor. These structures are useful for the design of novel, highly potent and selective Itk inhibitors and provide insight into the influence of inhibitor binding and phosphorylation on the conformation of Itk.
Interleukin-2 tyrosine kinase, Itk, is an important member of the Tec family of non-receptor tyrosine kinases that play a central role in signaling through antigen receptors such as the T-cell receptor, B-cell receptor, and Fcepsilon. Selective inhibition of Itk may be an important way of modulating many diseases involving heightened or inappropriate activation of the immune system. In addition to an unliganded nonphophorylated Itk catalytic kinase domain, we determined the crystal structures of the phosphorylated and nonphosphorylated kinase domain bound to staurosporine, a potent broad-spectrum kinase inhibitor. These structures are useful for the design of novel, highly potent and selective Itk inhibitors and provide insight into the influence of inhibitor binding and phosphorylation on the conformation of Itk.
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==Disease==
 
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Known disease associated with this structure: Polyhydramnios, megalencephaly, and symptomatic epilepsy OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=608626 608626]]
 
==About this Structure==
==About this Structure==
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[[Category: Tanner, A J.]]
[[Category: Tanner, A J.]]
[[Category: Vial, S C.M.]]
[[Category: Vial, S C.M.]]
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[[Category: STU]]
 
[[Category: immunology]]
[[Category: immunology]]
[[Category: protein kinase]]
[[Category: protein kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:06:46 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:43:56 2008''

Revision as of 20:43, 30 March 2008


PDB ID 1sm2

Drag the structure with the mouse to rotate
, resolution 2.3Å
Ligands:
Gene: ITK, LYK, EMT (Homo sapiens)
Activity: Transferase, with EC number and 2.7.10.2 2.7.10.1 and 2.7.10.2
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal structure of the phosphorylated Interleukin-2 tyrosine kinase catalytic domain


Overview

Interleukin-2 tyrosine kinase, Itk, is an important member of the Tec family of non-receptor tyrosine kinases that play a central role in signaling through antigen receptors such as the T-cell receptor, B-cell receptor, and Fcepsilon. Selective inhibition of Itk may be an important way of modulating many diseases involving heightened or inappropriate activation of the immune system. In addition to an unliganded nonphophorylated Itk catalytic kinase domain, we determined the crystal structures of the phosphorylated and nonphosphorylated kinase domain bound to staurosporine, a potent broad-spectrum kinase inhibitor. These structures are useful for the design of novel, highly potent and selective Itk inhibitors and provide insight into the influence of inhibitor binding and phosphorylation on the conformation of Itk.

About this Structure

1SM2 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structures of interleukin-2 tyrosine kinase and their implications for the design of selective inhibitors., Brown K, Long JM, Vial SC, Dedi N, Dunster NJ, Renwick SB, Tanner AJ, Frantz JD, Fleming MA, Cheetham GM, J Biol Chem. 2004 Apr 30;279(18):18727-32. Epub 2004 Feb 6. PMID:14766749

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