3pd6

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[[Image:3pd6.png|left|200px]]
 
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==Crystal structure of mouse mitochondrial aspartate aminotransferase, a newly identified kynurenine aminotransferase-IV==
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The line below this paragraph, containing "STRUCTURE_3pd6", creates the "Structure Box" on the page.
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<StructureSection load='3pd6' size='340' side='right'caption='[[3pd6]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3pd6]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PD6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3PD6 FirstGlance]. <br>
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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]] 2.4&#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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=KYN:(2S)-2-AMINO-4-(2-AMINOPHENYL)-4-OXOBUTANOIC+ACID'>KYN</scene>, <scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene>, <scene name='pdbligand=PMP:4-DEOXY-4-AMINOPYRIDOXAL-5-PHOSPHATE'>PMP</scene></td></tr>
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{{STRUCTURE_3pd6| PDB=3pd6 | SCENE= }}
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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=3pd6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3pd6 OCA], [https://pdbe.org/3pd6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3pd6 RCSB], [https://www.ebi.ac.uk/pdbsum/3pd6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3pd6 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AATM_MOUSE AATM_MOUSE] Catalyzes the irreversible transamination of the L-tryptophan metabolite L-kynurenine to form kynurenic acid (KA). Plays a key role in amino acid metabolism. Important for metabolite exchange between mitochondria and cytosol. Facilitates cellular uptake of long-chain free fatty acids.<ref>PMID:20977429</ref> <ref>PMID:7878064</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Mammalian mitochondrial aspartate aminotransferase (mAspAT) is recently reported to have kynurenine aminotransferase (KAT) activity and plays a role in the biosynthesis of kynurenic acid (KYNA) in rat, mouse and human brains. This study concerns the biochemical and structural characterization of mouse mAspAT. In this study, mouse mAspAT cDNA was amplified from mouse brain first stand cDNA and its recombinant protein was expressed in an Escherichia coli expression system. Sixteen keto acids were tested for the co-substrate specificity of mouse mAspAT and fourteen of them were shown to be capable of serving as co-substrates for the enzyme. Structural analysis of mAspAT by macromolecular crystallography revealed that the cofactor binding residues of mAspAT are similar to those of other KATs. The substrate binding residues of mAspAT are slightly different from those of other KATs. Our data provide a biochemical and structural basis towards understanding the overall physiological role of mAspAT in vivo and insight into controlling the levels of endogenous KYNA through modulation of the enzyme in the mouse brain.
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===Crystal structure of mouse mitochondrial aspartate aminotransferase, a newly identified kynurenine aminotransferase-IV===
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Biochemical and structural characterization of mouse mitochondrial aspartate aminotransferase, a newly identified kynurenine aminotransferase-IV.,Han Q, Robinson H, Cai T, Tagle DA, Li J Biosci Rep. 2010 Oct 26. PMID:20977429<ref>PMID:20977429</ref>
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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 3pd6" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Aspartate aminotransferase 3D structures|Aspartate aminotransferase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 20977429 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_20977429}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[3pd6]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3PD6 OCA].
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==Reference==
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<ref group="xtra">PMID:020977429</ref><references group="xtra"/>
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[[Category: Aspartate transaminase]]
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Cai, T.]]
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[[Category: Cai T]]
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[[Category: Han, Q.]]
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[[Category: Han Q]]
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[[Category: Li, J.]]
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[[Category: Li J]]
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[[Category: Robinson, H.]]
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[[Category: Robinson H]]
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[[Category: Tagle, D A.]]
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[[Category: Tagle DA]]

Current revision

Crystal structure of mouse mitochondrial aspartate aminotransferase, a newly identified kynurenine aminotransferase-IV

PDB ID 3pd6

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