2fhw: Difference between revisions

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[[Image:2fhw.gif|left|200px]]


{{Structure
==Solution structure of human relaxin-3==
|PDB= 2fhw |SIZE=350|CAPTION= <scene name='initialview01'>2fhw</scene>
<StructureSection load='2fhw' size='340' side='right'caption='[[2fhw]]' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND=  
<table><tr><td colspan='2'>[[2fhw]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FHW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FHW FirstGlance]. <br>
|ACTIVITY=  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
|GENE=  
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2fhw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fhw OCA], [https://pdbe.org/2fhw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fhw RCSB], [https://www.ebi.ac.uk/pdbsum/2fhw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fhw ProSAT]</span></td></tr>
}}
</table>
 
== Function ==
'''Solution structure of human relaxin-3'''
[https://www.uniprot.org/uniprot/REL3_HUMAN REL3_HUMAN] May play a role in neuropeptide signaling processes. Ligand for LGR7, relaxin-3 receptor-1 (GPCR135) and relaxin-3 receptor-2 (GPCR142).
 
<div style="background-color:#fffaf0;">
 
== Publication Abstract from PubMed ==
==Overview==
Relaxin-3 is the most recently discovered member of the relaxin family of peptide hormones. In contrast to relaxin-1 and -2, whose main functions are associated with pregnancy, relaxin-3 is involved in neuropeptide signaling in the brain. Here, we report the solution structure of human relaxin-3, the first structure of a relaxin family member to be solved by NMR methods. Overall, relaxin-3 adopts an insulin-like fold, but the structure differs crucially from the crystal structure of human relaxin-2 near the B-chain terminus. In particular, the B-chain C terminus folds back, allowing Trp(B27) to interact with the hydrophobic core. This interaction partly blocks the conserved RXXXRXXI motif identified as a determinant for the interaction with the relaxin receptor LGR7 and may account for the lower affinity of relaxin-3 relative to relaxin for this receptor. This structural feature is likely important for the activation of its endogenous receptor, GPCR135.
Relaxin-3 is the most recently discovered member of the relaxin family of peptide hormones. In contrast to relaxin-1 and -2, whose main functions are associated with pregnancy, relaxin-3 is involved in neuropeptide signaling in the brain. Here, we report the solution structure of human relaxin-3, the first structure of a relaxin family member to be solved by NMR methods. Overall, relaxin-3 adopts an insulin-like fold, but the structure differs crucially from the crystal structure of human relaxin-2 near the B-chain terminus. In particular, the B-chain C terminus folds back, allowing Trp(B27) to interact with the hydrophobic core. This interaction partly blocks the conserved RXXXRXXI motif identified as a determinant for the interaction with the relaxin receptor LGR7 and may account for the lower affinity of relaxin-3 relative to relaxin for this receptor. This structural feature is likely important for the activation of its endogenous receptor, GPCR135.


==About this Structure==
Solution structure and novel insights into the determinants of the receptor specificity of human relaxin-3.,Rosengren KJ, Lin F, Bathgate RA, Tregear GW, Daly NL, Wade JD, Craik DJ J Biol Chem. 2006 Mar 3;281(9):5845-51. Epub 2005 Dec 19. PMID:16365033<ref>PMID:16365033</ref>
2FHW is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/ ]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FHW OCA].
 
==Reference==
Solution structure and novel insights into the determinants of the receptor specificity of human relaxin-3., Rosengren KJ, Lin F, Bathgate RA, Tregear GW, Daly NL, Wade JD, Craik DJ, J Biol Chem. 2006 Mar 3;281(9):5845-51. Epub 2005 Dec 19. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16365033 16365033]
[[Category: Protein complex]]
[[Category: Craik, D J.]]
[[Category: Rosengren, K J.]]
[[Category: insulin/relaxin super-family fold]]


''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 16:52:37 2008''
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2fhw" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Craik DJ]]
[[Category: Rosengren KJ]]
Retrieved from "https://proteopedia.org/2fhw"