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4qhv

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'''Unreleased structure'''
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==Crystal structure of human dihydrofolate reductase as complex with pyridopyrimidine 22 (N~6~-METHYL-N~6~-[4-(PROPAN-2-YL)PHENYL]PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE)==
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<StructureSection load='4qhv' size='340' side='right' caption='[[4qhv]], [[Resolution|resolution]] 1.61&Aring;' scene=''>
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The entry 4qhv is ON HOLD until Paper Publication
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4qhv]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4QHV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4QHV FirstGlance]. <br>
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Authors: Cody, V.
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=IXF:N~6~-METHYL-N~6~-[4-(PROPAN-2-YL)PHENYL]PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE'>IXF</scene>, <scene name='pdbligand=NDP:NADPH+DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE+PHOSPHATE'>NDP</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4ixf|4ixf]], [[4qjz|4qjz]], [[4qjc|4qjc]]</td></tr>
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Description: Crystal structure of human dihydrofolate reductase as complex with pyridopyrimidine 22 (N~6~-METHYL-N~6~-[4-(PROPAN-2-YL)PHENYL]PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE)
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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/Dihydrofolate_reductase Dihydrofolate reductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.5.1.3 1.5.1.3] </span></td></tr>
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[[Category: Unreleased Structures]]
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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=4qhv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4qhv OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4qhv RCSB], [http://www.ebi.ac.uk/pdbsum/4qhv PDBsum]</span></td></tr>
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</table>
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== Disease ==
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[[http://www.uniprot.org/uniprot/DYR_HUMAN DYR_HUMAN]] Defects in DHFR are the cause of megaloblastic anemia due to dihydrofolate reductase deficiency (DHFRD) [MIM:[http://omim.org/entry/613839 613839]]. DHFRD is an inborn error of metabolism, characterized by megaloblastic anemia and/or pancytopenia, severe cerebral folate deficiency, and cerebral tetrahydrobiopterin deficiency. Clinical features include variable neurologic symptoms, ranging from severe developmental delay and generalized seizures in infancy, to childhood absence epilepsy with learning difficulties, to lack of symptoms.<ref>PMID:21310276</ref> <ref>PMID:21310277</ref>
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== Function ==
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[[http://www.uniprot.org/uniprot/DYR_HUMAN DYR_HUMAN]] Key enzyme in folate metabolism. Contributes to the de novo mitochondrial thymidylate biosynthesis pathway. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. Binds its own mRNA and that of DHFRL1.<ref>PMID:21876188</ref> <ref>PMID:12096917</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Dihydrofolate reductase]]
[[Category: Cody, V]]
[[Category: Cody, V]]
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[[Category: Cofactor nadph]]
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[[Category: Hydrolase]]
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[[Category: Inhibitor]]
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[[Category: Inhibitor binding]]
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[[Category: Oxidoreductase-oxidoreductase inhibitor complex]]
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[[Category: Rossmann fold]]

Revision as of 14:05, 10 June 2015

Crystal structure of human dihydrofolate reductase as complex with pyridopyrimidine 22 (N~6~-METHYL-N~6~-[4-(PROPAN-2-YL)PHENYL]PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE)

4qhv, resolution 1.61Å

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