7s6n

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<StructureSection load='7s6n' size='340' side='right'caption='[[7s6n]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
<StructureSection load='7s6n' size='340' side='right'caption='[[7s6n]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[7s6n]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7S6N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7S6N FirstGlance]. <br>
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<table><tr><td colspan='2'>[[7s6n]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Danio_rerio Danio rerio]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7S6N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7S6N FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.7&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></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=7s6n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7s6n OCA], [https://pdbe.org/7s6n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7s6n RCSB], [https://www.ebi.ac.uk/pdbsum/7s6n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7s6n 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=7s6n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7s6n OCA], [https://pdbe.org/7s6n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7s6n RCSB], [https://www.ebi.ac.uk/pdbsum/7s6n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7s6n ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q54MP1_DICDI Q54MP1_DICDI] [https://www.uniprot.org/uniprot/GNPTA_DANRE GNPTA_DANRE] Catalyzes the formation of mannose 6-phosphate (M6P) markers on high mannose type oligosaccharides in the Golgi apparatus. M6P residues are required to bind to the M6P receptors (MPR), which mediate the vesicular transport of lysosomal enzymes to the endosomal/prelysosomal compartment.[UniProtKB:Q3T906]
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The mannose-6-phosphate (M6P) pathway is responsible for the transport of hydrolytic enzymes to lysosomes. N-acetylglucosamine-1-phosphotransferase (GNPT) catalyzes the first step of tagging these hydrolases with M6P, which when recognized by receptors in the Golgi diverts them to lysosomes. Genetic defects in the GNPT subunits, GNPTAB and GNPTG, cause the lysosomal storage diseases mucolipidosis types II and III. To better understand its function, we determined partial three-dimensional structures of the GNPT complex. The catalytic domain contains a deep cavity for binding of uridine diphosphate-N-acetylglucosamine, and the surrounding residues point to a one-step transfer mechanism. An isolated structure of the gamma subunit of GNPT reveals that it can bind to mannose-containing glycans in different configurations, suggesting that it may play a role in directing glycans into the active site. These findings may facilitate the development of therapies for lysosomal storage diseases.
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Structures of the mannose-6-phosphate pathway enzyme, GlcNAc-1-phosphotransferase.,Gorelik A, Illes K, Bui KH, Nagar B Proc Natl Acad Sci U S A. 2022 Aug 16;119(33):e2203518119. doi:, 10.1073/pnas.2203518119. Epub 2022 Aug 8. PMID:35939698<ref>PMID:35939698</ref>
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==See Also==
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*[[Phosphotransferase 3D structures|Phosphotransferase 3D structures]]
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 7s6n" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Danio rerio]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Gorelik, A]]
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[[Category: Gorelik A]]
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[[Category: Illes, K]]
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[[Category: Illes K]]
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[[Category: Nagar, B]]
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[[Category: Nagar B]]
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[[Category: Gnpt]]
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[[Category: Lysosome]]
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[[Category: Mannose 6-phosphate]]
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[[Category: Mucolipidosis]]
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[[Category: Transferase]]
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Revision as of 07:20, 3 April 2024

N-acetylglucosamine-1-phosphotransferase (GNPT) alpha and beta subunits (GNPTAB) catalytic domain, from zebrafish

PDB ID 7s6n

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