1rgx

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[[Image:1rgx.gif|left|200px]]
[[Image:1rgx.gif|left|200px]]
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{{Structure
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|PDB= 1rgx |SIZE=350|CAPTION= <scene name='initialview01'>1rgx</scene>, resolution 1.787&Aring;
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The line below this paragraph, containing "STRUCTURE_1rgx", creates the "Structure Box" on the page.
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|SITE=
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|GENE= RETN ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10090 Mus musculus])
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|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=pfam06954 Resistin]</span>
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{{STRUCTURE_1rgx| PDB=1rgx | SCENE= }}
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|RELATEDENTRY=[[1rfx|1RFX]], [[1rh7|1RH7]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1rgx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rgx OCA], [http://www.ebi.ac.uk/pdbsum/1rgx PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1rgx RCSB]</span>
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'''Crystal Structure of resisitin'''
'''Crystal Structure of resisitin'''
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[[Category: Scherer, P E.]]
[[Category: Scherer, P E.]]
[[Category: Shapiro, L.]]
[[Category: Shapiro, L.]]
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[[Category: glucose uptake]]
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[[Category: Glucose uptake]]
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[[Category: hormone]]
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[[Category: Hormone]]
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[[Category: new york structural genomix research consortium]]
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[[Category: New york structural genomix research consortium]]
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[[Category: nysgxrc]]
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[[Category: Nysgxrc]]
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[[Category: protein structure initiative]]
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[[Category: Protein structure initiative]]
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[[Category: psi]]
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[[Category: Psi]]
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[[Category: resistin/fizz family]]
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[[Category: Resistin/fizz family]]
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[[Category: structural genomic]]
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[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:28:57 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:27:59 2008''
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Revision as of 04:28, 3 May 2008

Image:1rgx.gif

Template:STRUCTURE 1rgx

Crystal Structure of resisitin


Overview

Resistin, founding member of the resistin-like molecule (RELM) hormone family, is secreted selectively from adipocytes and induces liver-specific antagonism of insulin action, thus providing a potential molecular link between obesity and diabetes. Crystal structures of resistin and RELMbeta reveal an unusual multimeric structure. Each protomer comprises a carboxy-terminal disulfide-rich beta-sandwich "head" domain and an amino-terminal alpha-helical "tail" segment. The alpha-helical segments associate to form three-stranded coiled coils, and surface-exposed interchain disulfide linkages mediate the formation of tail-to-tail hexamers. Analysis of serum samples shows that resistin circulates in two distinct assembly states, likely corresponding to hexamers and trimers. Infusion of a resistin mutant, lacking the intertrimer disulfide bonds, in pancreatic-insulin clamp studies reveals substantially more potent effects on hepatic insulin sensitivity than those observed with wild-type resistin. This result suggests that processing of the intertrimer disulfide bonds may reflect an obligatory step toward activation.

About this Structure

1RGX is a Single protein structure of sequence from Mus musculus. Full crystallographic information is available from OCA.

Reference

Disulfide-dependent multimeric assembly of resistin family hormones., Patel SD, Rajala MW, Rossetti L, Scherer PE, Shapiro L, Science. 2004 May 21;304(5674):1154-8. PMID:15155948 Page seeded by OCA on Sat May 3 07:28:57 2008

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