2gyr
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(New page: 200px<br /> <applet load="2gyr" size="450" color="white" frame="true" align="right" spinBox="true" caption="2gyr, resolution 2.6Å" /> '''Crystal structure of...)
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Revision as of 20:17, 12 November 2007
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Crystal structure of human artemin
Overview
Artemin (ARTN) is a member of the glial cell line-derived neurotrophic, factor (GDNF) family ligands (GFLs) which regulate the development and, maintenance of many neuronal populations in the mammalian nervous system., Here we report the 1.92 A crystal structure of the complex formed between, ARTN and its receptor GFRalpha3, which is the initiating step in the, formation of a ternary signaling complex containing the shared RET, receptor. It represents a new receptor-ligand interaction mode for the, TGF-beta superfamily that reveals both conserved and, specificity-determining anchor points for all GFL-GFRalpha pairs. In, tandem with the complex structure, cellular studies using receptor, chimeras implicate dyad-symmetric composite interfaces for recruitment and, dimerization of RET, leading to intracellular signaling. These studies, should facilitate the functional dissection of the specific versus, pleiotropic roles of this system in neurobiology, as well as its, exploitation for therapeutic applications.
About this Structure
2GYR is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structure of artemin complexed with its receptor GFRalpha3: convergent recognition of glial cell line-derived neurotrophic factors., Wang X, Baloh RH, Milbrandt J, Garcia KC, Structure. 2006 Jun;14(6):1083-92. PMID:16765900
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