1pkt

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[[Image:1pkt.gif|left|200px]]
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{{Structure
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|PDB= 1pkt |SIZE=350|CAPTION= <scene name='initialview01'>1pkt</scene>
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The line below this paragraph, containing "STRUCTURE_1pkt", creates the "Structure Box" on the page.
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Phosphatidylinositol_3-kinase Phosphatidylinositol 3-kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.137 2.7.1.137] </span>
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{{STRUCTURE_1pkt| PDB=1pkt | SCENE= }}
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|RELATEDENTRY=[[1pks|1PKS]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pkt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pkt OCA], [http://www.ebi.ac.uk/pdbsum/1pkt PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1pkt RCSB]</span>
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'''STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY'''
'''STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY'''
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[[Category: Yu, H.]]
[[Category: Yu, H.]]
[[Category: Zydowsky, L D.]]
[[Category: Zydowsky, L D.]]
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[[Category: phosphotransferase]]
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[[Category: Phosphotransferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:11:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:01:08 2008''
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Revision as of 02:11, 3 May 2008

Image:1pkt.gif

Template:STRUCTURE 1pkt

STRUCTURE OF THE PI3K SH3 DOMAIN AND ANALYSIS OF THE SH3 FAMILY


Overview

Src homology 3 (SH3) domains, which are found in many proteins involved in intracellular signal transduction, mediate specific protein-protein interactions. The three-dimensional structure of the SH3 domain in the p85 subunit of the phosphatidylinositol 3-kinase (PI3K) has been determined by multidimensional NMR methods. The molecule consists of four short helices, two beta turns, and two antiparallel beta sheets. The beta sheets are highly similar to corresponding regions in the SH3 domain of the tyrosine kinase Src, even though the sequence identity of the two domains is low. There is a unique 15 amino acid insert in PI3K that contains three short helices. There are substantial differences in the identity of the amino acids that make up the receptor site of SH3 domains. The results suggest that while the overall structures of the binding sites in the PI3K and Src SH3 domains are similar, their ligand binding properties may differ.

About this Structure

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

Reference

Structure of the PI3K SH3 domain and analysis of the SH3 family., Koyama S, Yu H, Dalgarno DC, Shin TB, Zydowsky LD, Schreiber SL, Cell. 1993 Mar 26;72(6):945-52. PMID:7681364 Page seeded by OCA on Sat May 3 05:11:57 2008

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