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==THE SOLUTION STRUCTURE OF HUMAN PARATHYROID HORMONE FRAGMENT 1-34 IN 20% TRIFLUORETHANOL, NMR, 10 STRUCTURES==
==THE SOLUTION STRUCTURE OF HUMAN PARATHYROID HORMONE FRAGMENT 1-34 IN 20% TRIFLUORETHANOL, NMR, 10 STRUCTURES==
<StructureSection load='1hpy' size='340' side='right'caption='[[1hpy]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
<StructureSection load='1hpy' size='340' side='right'caption='[[1hpy]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1hpy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HPY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HPY FirstGlance]. <br>
<table><tr><td colspan='2'>[[1hpy]] is a 1 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=1HPY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HPY FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hpy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hpy OCA], [https://pdbe.org/1hpy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hpy RCSB], [https://www.ebi.ac.uk/pdbsum/1hpy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hpy ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hpy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hpy OCA], [https://pdbe.org/1hpy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hpy RCSB], [https://www.ebi.ac.uk/pdbsum/1hpy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hpy ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[https://www.uniprot.org/uniprot/PTHY_HUMAN PTHY_HUMAN]] Defects in PTH are a cause of familial isolated hypoparathyroidism (FIH) [MIM:[https://omim.org/entry/146200 146200]]; also called autosomal dominant hypoparathyroidism or autosomal dominant hypocalcemia. FIH is characterized by hypocalcemia and hyperphosphatemia due to inadequate secretion of parathyroid hormone. Symptoms are seizures, tetany and cramps. FIH exist both as autosomal dominant and recessive forms of hypoparathyroidism.<ref>PMID:2212001</ref> <ref>PMID:10523031</ref> <ref>PMID:18056632</ref>
[https://www.uniprot.org/uniprot/PTHY_HUMAN PTHY_HUMAN] Defects in PTH are a cause of familial isolated hypoparathyroidism (FIH) [MIM:[https://omim.org/entry/146200 146200]; also called autosomal dominant hypoparathyroidism or autosomal dominant hypocalcemia. FIH is characterized by hypocalcemia and hyperphosphatemia due to inadequate secretion of parathyroid hormone. Symptoms are seizures, tetany and cramps. FIH exist both as autosomal dominant and recessive forms of hypoparathyroidism.<ref>PMID:2212001</ref> <ref>PMID:10523031</ref> <ref>PMID:18056632</ref>  
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/PTHY_HUMAN PTHY_HUMAN]] PTH elevates calcium level by dissolving the salts in bone and preventing their renal excretion. Stimulates [1-14C]-2-deoxy-D-glucose (2DG) transport and glycogen synthesis in osteoblastic cells.<ref>PMID:21076856</ref>
[https://www.uniprot.org/uniprot/PTHY_HUMAN PTHY_HUMAN] PTH elevates calcium level by dissolving the salts in bone and preventing their renal excretion. Stimulates [1-14C]-2-deoxy-D-glucose (2DG) transport and glycogen synthesis in osteoblastic cells.<ref>PMID:21076856</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1hpy ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1hpy ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Parathyroid hormone (PTH) is involved in regulation of the calcium level in blood and has an influence on bone metabolism, thus playing a role in osteoporosis therapy. In this study, the structures of the human PTH fragments (1-34) and (1-39) as well as bovine PTH(1-37) in aqueous buffer solution under near physiological conditions were determined using two-dimensional nuclear magnetic resonance spectroscopy. The overall structure of the first 34 amino acids of these three peptides is virtually identical, exhibiting a short NH(2)-terminal and a longer COOH-terminal helix as well as a defined loop region from His14 to Ser17, stabilized by hydrophobic interactions. bPTH(1-37), which has a higher biological activity, shows a better-defined NH(2)-terminal part. In contrast to NH(2)-terminal truncations, which cause destabilization of helical structure, neither COOH-terminal truncation nor elongation significantly influences the secondary structure. Furthermore, we investigated the structure of hPTH(1-34) in 20% trifluoroethanol solution. In addition to its helix-stabilizing effect, trifluorethanol causes the loss of tertiary hydrophobic interactions.
Solution structures of human parathyroid hormone fragments hPTH(1-34) and hPTH(1-39) and bovine parathyroid hormone fragment bPTH(1-37).,Marx UC, Adermann K, Bayer P, Forssmann WG, Rosch P Biochem Biophys Res Commun. 2000 Jan 7;267(1):213-20. PMID:10623601<ref>PMID:10623601</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1hpy" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Adermann, K]]
[[Category: Adermann K]]
[[Category: Bayer, P]]
[[Category: Bayer P]]
[[Category: Forssmann, W G]]
[[Category: Forssmann W-G]]
[[Category: Marx, U C]]
[[Category: Marx UC]]
[[Category: Roesch, P]]
[[Category: Roesch P]]
[[Category: Human parathyroid hormone]]
[[Category: Peptide hormone]]
[[Category: Solution structure]]
[[Category: Trifluorethanol]]
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