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3oze

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==Crystal Structure of human 5'-deoxy-5'-methyladenosine phosphorylase==
==Crystal Structure of human 5'-deoxy-5'-methyladenosine phosphorylase==
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<StructureSection load='3oze' size='340' side='right' caption='[[3oze]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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<StructureSection load='3oze' size='340' side='right'caption='[[3oze]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3oze]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OZE OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3OZE FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3oze]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3OZE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3OZE FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3ozc|3ozc]], [[3ozd|3ozd]]</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=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MTAP, MSAP ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3oze FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3oze OCA], [https://pdbe.org/3oze PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3oze RCSB], [https://www.ebi.ac.uk/pdbsum/3oze PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3oze ProSAT]</span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/S-methyl-5'-thioadenosine_phosphorylase S-methyl-5'-thioadenosine phosphorylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.28 2.4.2.28] </span></td></tr>
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<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=3oze FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3oze OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3oze RCSB], [http://www.ebi.ac.uk/pdbsum/3oze PDBsum]</span></td></tr>
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</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/MTAP_HUMAN MTAP_HUMAN]] Defects in MTAP are the cause of diaphyseal medullary stenosis with malignant fibrous histiocytoma (DMSMFH) [MIM:[http://omim.org/entry/112250 112250]]. An autosomal dominant bone dysplasia characterized by pathologic fractures due to abnormal cortical growth and diaphyseal medullary stenosis. The fractures heal poorly, and there is progressive bowing of the lower extremities. Some patients show a limb-girdle myopathy, with muscle weakness and atrophy. Approximately 35% of affected individuals develop an aggressive form of bone sarcoma consistent with malignant fibrous histiocytoma or osteosarcoma. Note=DMSMFH causing mutations found in MTAP exon 9 result in exon skipping and dysregulated alternative splicing of all MTAP isoforms (PubMed:22464254).<ref>PMID:22464254</ref> Note=Loss of MTAP activity may play a role in human cancer. MTAP loss has been reported in a number of cancers, including osteosarcoma, malignant melanoma and gastric cancer.[HAMAP-Rule:MF_03155]
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[https://www.uniprot.org/uniprot/MTAP_HUMAN MTAP_HUMAN] Defects in MTAP are the cause of diaphyseal medullary stenosis with malignant fibrous histiocytoma (DMSMFH) [MIM:[https://omim.org/entry/112250 112250]. An autosomal dominant bone dysplasia characterized by pathologic fractures due to abnormal cortical growth and diaphyseal medullary stenosis. The fractures heal poorly, and there is progressive bowing of the lower extremities. Some patients show a limb-girdle myopathy, with muscle weakness and atrophy. Approximately 35% of affected individuals develop an aggressive form of bone sarcoma consistent with malignant fibrous histiocytoma or osteosarcoma. Note=DMSMFH causing mutations found in MTAP exon 9 result in exon skipping and dysregulated alternative splicing of all MTAP isoforms (PubMed:22464254).<ref>PMID:22464254</ref> Note=Loss of MTAP activity may play a role in human cancer. MTAP loss has been reported in a number of cancers, including osteosarcoma, malignant melanoma and gastric cancer.[HAMAP-Rule:MF_03155]
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MTAP_HUMAN MTAP_HUMAN]] Catalyzes the reversible phosphorylation of S-methyl-5'-thioadenosine (MTA) to adenine and 5-methylthioribose-1-phosphate. Involved in the breakdown of MTA, a major by-product of polyamine biosynthesis. Responsible for the first step in the methionine salvage pathway after MTA has been generated from S-adenosylmethionine. Has broad substrate specificity with 6-aminopurine nucleosides as preferred substrates.<ref>PMID:3091600</ref>
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[https://www.uniprot.org/uniprot/MTAP_HUMAN MTAP_HUMAN] Catalyzes the reversible phosphorylation of S-methyl-5'-thioadenosine (MTA) to adenine and 5-methylthioribose-1-phosphate. Involved in the breakdown of MTA, a major by-product of polyamine biosynthesis. Responsible for the first step in the methionine salvage pathway after MTA has been generated from S-adenosylmethionine. Has broad substrate specificity with 6-aminopurine nucleosides as preferred substrates.<ref>PMID:3091600</ref>
==See Also==
==See Also==
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*[[5'-deoxy-5'-methylthioadenosine phosphorylase|5'-deoxy-5'-methylthioadenosine phosphorylase]]
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*[[5'-deoxy-5'-methylthioadenosine phosphorylase 3D structures|5'-deoxy-5'-methylthioadenosine phosphorylase 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: S-methyl-5'-thioadenosine phosphorylase]]
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[[Category: Large Structures]]
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[[Category: Almo, S C]]
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[[Category: Almo SC]]
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[[Category: Guan, R]]
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[[Category: Guan R]]
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[[Category: Ho, M]]
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[[Category: Ho M]]
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[[Category: Schramm, V L]]
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[[Category: Schramm VL]]
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[[Category: 5'-methylthioadenosine]]
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[[Category: Mtap]]
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[[Category: Phosphorylase]]
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[[Category: Transferase]]
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Current revision

Crystal Structure of human 5'-deoxy-5'-methyladenosine phosphorylase

PDB ID 3oze

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