1ndp: Difference between revisions

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[[Image:1ndp.jpg|left|200px]]


<!--
==ADENOSINE 5'-DIPHOSPHATE BINDING AND THE ACTIVE SITE OF NUCLEOSIDE DIPHOSPHATE KINASE==
The line below this paragraph, containing "STRUCTURE_1ndp", creates the "Structure Box" on the page.
<StructureSection load='1ndp' size='340' side='right'caption='[[1ndp]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1ndp]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Dictyostelium_discoideum Dictyostelium discoideum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NDP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1NDP FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.2&#8491;</td></tr>
-->
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
{{STRUCTURE_1ndp|  PDB=1ndp |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1ndp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ndp OCA], [https://pdbe.org/1ndp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ndp RCSB], [https://www.ebi.ac.uk/pdbsum/1ndp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ndp ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/NDKC_DICDI NDKC_DICDI]
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nd/1ndp_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1ndp ConSurf].
<div style="clear:both"></div>


'''ADENOSINE 5'-DIPHOSPHATE BINDING AND THE ACTIVE SITE OF NUCLEOSIDE DIPHOSPHATE KINASE'''
==See Also==
 
*[[Nucleoside diphosphate kinase 3D structures|Nucleoside diphosphate kinase 3D structures]]
 
__TOC__
==Overview==
</StructureSection>
The X-ray structure of nucleoside diphosphate kinase (NDP kinase) from the slime mold Dictyostelium discoideum has been determined to 2.2-A resolution and refined to an R-factor of 0.19 with and without bound ADP-Mg2+. The nucleotide binds near His 122, a residue which becomes phosphorylated during the catalytic cycle. The mode of binding is different from that observed in other phosphokinases, and it involves no glycine-rich sequence. The adenine base makes only nonpolar contacts with the protein. It points outside, explaining the lack of specificity of NDP kinase toward the base. The ribose 2'- and 3'-hydroxyls and the pyrophosphate moiety are H-bonded to polar side chains. A Mg2+ ion bridges the alpha- to the beta-phosphate which approaches the imidazole group of His 122 from the N delta side. The geometry at the active site in the ADP-Mg2+ complex suggests a mechanism for catalysis whereby the gamma-phosphate of a nucleoside triphosphate can be transferred onto His 122 with a minimum of atomic motion.
 
==About this Structure==
1NDP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Dictyostelium_discoideum Dictyostelium discoideum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NDP OCA].
 
==Reference==
Adenosine 5'-diphosphate binding and the active site of nucleoside diphosphate kinase., Morera S, Lascu I, Dumas C, LeBras G, Briozzo P, Veron M, Janin J, Biochemistry. 1994 Jan 18;33(2):459-67. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8286376 8286376]
[[Category: Dictyostelium discoideum]]
[[Category: Dictyostelium discoideum]]
[[Category: Nucleoside-diphosphate kinase]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Dumas C]]
[[Category: Dumas, C.]]
[[Category: Janin J]]
[[Category: Janin, J.]]
[[Category: Lascu I]]
[[Category: Lascu, I.]]
[[Category: Lebras G]]
[[Category: Lebras, G.]]
[[Category: Morera S]]
[[Category: Morera, S.]]
[[Category: Veron M]]
[[Category: Veron, M.]]
[[Category: Phosphotransferase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 02:24:43 2008''

Latest revision as of 07:55, 14 February 2024

ADENOSINE 5'-DIPHOSPHATE BINDING AND THE ACTIVE SITE OF NUCLEOSIDE DIPHOSPHATE KINASE

1ndp, resolution 2.20Å

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