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==Crystal structure of cytosolic 5'-nucleotidase IIIB (cN-IIIB) bound to 7-methylguanosine==
==Crystal structure of cytosolic 5'-nucleotidase IIIB (cN-IIIB) bound to 7-methylguanosine==
<StructureSection load='4nv0' size='340' side='right' caption='[[4nv0]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
<StructureSection load='4nv0' size='340' side='right'caption='[[4nv0]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4nv0]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Drome Drome]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4NV0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4NV0 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4nv0]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4NV0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4NV0 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MG7:7-METHYLGUANOSINE'>MG7</scene>, <scene name='pdbligand=MGF:TRIFLUOROMAGNESATE'>MGF</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene></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]] 1.65&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4nwi|4nwi]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MG7:7-METHYLGUANOSINE'>MG7</scene>, <scene name='pdbligand=MGF:TRIFLUOROMAGNESATE'>MGF</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CG3362 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=7227 DROME])</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=4nv0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4nv0 OCA], [https://pdbe.org/4nv0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4nv0 RCSB], [https://www.ebi.ac.uk/pdbsum/4nv0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4nv0 ProSAT]</span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/5'-nucleotidase 5'-nucleotidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.5 3.1.3.5] </span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4nv0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4nv0 OCA], [http://pdbe.org/4nv0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4nv0 RCSB], [http://www.ebi.ac.uk/pdbsum/4nv0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4nv0 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/5NT3B_DROME 5NT3B_DROME]] Specifically hydrolyzes 7-methylguanosine monophosphate (m(7)GMP) to 7-methylguanosine and inorganic phosphate. Also able to mediate hydrolysis of diphosphate (m(7)GDP) to 7-methylguanosine and 2 inorganic phosphate with lower activity. The specific activity for m(7)GMP may protect cells against undesired salvage of m(7)GMP and its incorporation into nucleic acids. Also has weak activity for CMP. UMP and purine nucleotides are poor substrates.  
[https://www.uniprot.org/uniprot/5NT3B_DROME 5NT3B_DROME] Specifically hydrolyzes 7-methylguanosine monophosphate (m(7)GMP) to 7-methylguanosine and inorganic phosphate. Also able to mediate hydrolysis of diphosphate (m(7)GDP) to 7-methylguanosine and 2 inorganic phosphate with lower activity. The specific activity for m(7)GMP may protect cells against undesired salvage of m(7)GMP and its incorporation into nucleic acids. Also has weak activity for CMP. UMP and purine nucleotides are poor substrates.
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: 5'-nucleotidase]]
[[Category: Drosophila melanogaster]]
[[Category: Drome]]
[[Category: Large Structures]]
[[Category: Ficner, R]]
[[Category: Ficner R]]
[[Category: Monecke, T]]
[[Category: Monecke T]]
[[Category: Neumann, P]]
[[Category: Neumann P]]
[[Category: Hydrolase]]
[[Category: Rossmannoid fold]]
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