2p39

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{{STRUCTURE_2p39| PDB=2p39 | SCENE= }}
{{STRUCTURE_2p39| PDB=2p39 | SCENE= }}
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'''Crystal structure of human FGF23'''
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===Crystal structure of human FGF23===
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==Overview==
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Unique among fibroblast growth factors (FGFs), FGF19, -21, and -23 act in an endocrine fashion to regulate energy, bile acid, glucose, lipid, phosphate, and vitamin D homeostasis. These FGFs require the presence of Klotho/betaKlotho in their target tissues. Here, we present the crystal structures of FGF19 alone and FGF23 in complex with sucrose octasulfate, a disaccharide chemically related to heparin. The conformation of the heparin-binding region between beta strands 10 and 12 in FGF19 and FGF23 diverges completely from the common conformation adopted by paracrine-acting FGFs. A cleft between this region and the beta1-beta2 loop, the other heparin-binding region, precludes direct interaction between heparin/heparan sulfate and backbone atoms of FGF19/23. This reduces the heparin-binding affinity of these ligands and confers endocrine function. Klotho/betaKlotho have evolved as a compensatory mechanism for the poor ability of heparin/heparan sulfate to promote binding of FGF19, -21, and -23 to their cognate receptors.
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(as it appears on PubMed at http://www.pubmed.gov), where 17339340 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17339340}}
==About this Structure==
==About this Structure==
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[[Category: Mohammadi, M.]]
[[Category: Mohammadi, M.]]
[[Category: Atypical beta-trefoil fold]]
[[Category: Atypical beta-trefoil fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 12:15:07 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 18:23:08 2008''

Revision as of 15:23, 27 July 2008

Image:2p39.png

Template:STRUCTURE 2p39

Crystal structure of human FGF23

Template:ABSTRACT PUBMED 17339340

About this Structure

2P39 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Molecular insights into the klotho-dependent, endocrine mode of action of fibroblast growth factor 19 subfamily members., Goetz R, Beenken A, Ibrahimi OA, Kalinina J, Olsen SK, Eliseenkova AV, Xu C, Neubert TA, Zhang F, Linhardt RJ, Yu X, White KE, Inagaki T, Kliewer SA, Yamamoto M, Kurosu H, Ogawa Y, Kuro-o M, Lanske B, Razzaque MS, Mohammadi M, Mol Cell Biol. 2007 May;27(9):3417-28. Epub 2007 Mar 5. PMID:17339340

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