2iug

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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2iug FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2iug OCA], [http://www.ebi.ac.uk/pdbsum/2iug PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2iug RCSB]</span>
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[[Category: ubl conjugation]]
[[Category: ubl conjugation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:48:46 2008''

Revision as of 00:48, 31 March 2008

Image:2iug.gif


PDB ID 2iug

Drag the structure with the mouse to rotate
, resolution 1.89Å
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



CRYSTAL STRUCTURE OF THE PI3-KINASE P85 N-TERMINAL SH2 DOMAIN


Overview

Crystal structures of the amino-terminal SH2 domain of the p85alpha subunit of phosphatidylinositol (PI) 3-kinase, alone and in complex with phosphopeptides bearing pTyr-Met/Val-Xaa-Met motifs, show that phosphopeptides bind in the two-pronged manner seen in high-affinity Lck and Src SH2 complexes, with conserved interactions between the domain and the peptide segment from phosphotyrosine to Met+3. Peptide binding requires the rearrangement of a tyrosyl side chain in the BG loop to create the hydrophobic Met+3 binding pocket. The structures suggest a mechanism for the biological specificity exhibited by PI 3-kinase in its interactions with phosphoprotein partners.

About this Structure

2IUG is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structure of the PI 3-kinase p85 amino-terminal SH2 domain and its phosphopeptide complexes., Nolte RT, Eck MJ, Schlessinger J, Shoelson SE, Harrison SC, Nat Struct Biol. 1996 Apr;3(4):364-74. PMID:8599763

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