3hgf: Difference between revisions

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<StructureSection load='3hgf' size='340' side='right'caption='[[3hgf]], [[Resolution|resolution]] 4.00&Aring;' scene=''>
<StructureSection load='3hgf' size='340' side='right'caption='[[3hgf]], [[Resolution|resolution]] 4.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3hgf]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Playo Playo]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HGF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HGF FirstGlance]. <br>
<table><tr><td colspan='2'>[[3hgf]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Plasmodium_yoelii_yoelii Plasmodium yoelii yoelii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HGF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HGF FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Plasmodium yoelii gene ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=73239 PLAYO])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 4&#8491;</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=3hgf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hgf OCA], [https://pdbe.org/3hgf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hgf RCSB], [https://www.ebi.ac.uk/pdbsum/3hgf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hgf ProSAT]</span></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=3hgf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hgf OCA], [https://pdbe.org/3hgf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hgf RCSB], [https://www.ebi.ac.uk/pdbsum/3hgf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hgf ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Function ==
== Publication Abstract from PubMed ==
[https://www.uniprot.org/uniprot/Q7RPU0_PLAYO Q7RPU0_PLAYO]
BACKGROUND: Invasion of the red blood cells (RBC) by the merozoite of malaria parasites involves a large number of receptor ligand interactions. The reticulocyte binding protein homologue family (RH) plays an important role in erythrocyte recognition as well as virulence. Recently, it has been shown that members of RH in addition to receptor binding may also have a role as ATP/ADP sensor. A 94 kDa region named Nucleotide-Binding Domain 94 (NBD94) of Plasmodium yoelii YM, representative of the putative nucleotide binding region of RH, has been demonstrated to bind ATP and ADP selectively. Binding of ATP or ADP induced nucleotide-dependent structural changes in the C-terminal hinge-region of NBD94, and directly impacted on the RBC binding ability of RH. METHODOLOGY/PRINCIPAL FINDINGS: In order to find the smallest structural unit, able to bind nucleotides, and its coupling module, the hinge region, three truncated domains of NBD94 have been generated, termed NBD94(444-547), NBD94(566-663) and NBD94(674-793), respectively. Using fluorescence correlation spectroscopy NBD94(444-547) has been identified to form the smallest nucleotide binding segment, sensitive for ATP and ADP, which became inhibited by 4-Chloro-7-nitrobenzofurazan. The shape of NBD94(444-547) in solution was calculated from small-angle X-ray scattering data, revealing an elongated molecule, comprised of two globular domains, connected by a spiral segment of about 73.1 A in length. The high quality of the constructs, forming the hinge-region, NBD94(566-663) and NBD94(674-793) enabled to determine the first crystallographic and solution structure, respectively. The crystal structure of NBD94(566-663) consists of two helices with 97.8 A and 48.6 A in length, linked by a loop. By comparison, the low resolution structure of NBD94(674-793) in solution represents a chair-like shape with three architectural segments. CONCLUSIONS: These structures give the first insight into how nucleotide binding impacts on the overall structure of RH and demonstrates the potential use of this region as a novel drug target.
 
Structural determination of functional units of the nucleotide binding domain (NBD94) of the reticulocyte binding protein Py235 of Plasmodium yoelii.,Gruber A, Manimekalai MS, Balakrishna AM, Hunke C, Jeyakanthan J, Preiser PR, Gruber G PLoS One. 2010 Feb 10;5(2):e9146. doi: 10.1371/journal.pone.0009146. PMID:20161776<ref>PMID:20161776</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 3hgf" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Playo]]
[[Category: Plasmodium yoelii yoelii]]
[[Category: Balakrishna, A M]]
[[Category: Balakrishna AM]]
[[Category: Gruber, A]]
[[Category: Gruber A]]
[[Category: Gruber, G]]
[[Category: Gruber G]]
[[Category: Hunke, C]]
[[Category: Hunke C]]
[[Category: Jeyakanthan, J]]
[[Category: Jeyakanthan J]]
[[Category: Manimekalai, M S.S]]
[[Category: Manimekalai MSS]]
[[Category: Preiser, P R]]
[[Category: Preiser PR]]
[[Category: Helix-turn-helix]]
[[Category: Nucleotide binding protein]]

Latest revision as of 08:27, 20 March 2024

Expression, purification, spectroscopical and crystallographical studies of segments of the nucleotide binding domain of the reticulocyte binding protein Py235 of Plasmodium yoelii

3hgf, resolution 4.00Å

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