5pah

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[[Image:5pah.gif|left|200px]]<br />
 
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<applet load="5pah" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="5pah, resolution 2.1&Aring;" />
 
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'''HUMAN PHENYLALANINE HYDROXYLASE CATALYTIC DOMAIN DIMER WITH BOUND DOPAMINE INHIBITOR'''<br />
 
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==Overview==
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==HUMAN PHENYLALANINE HYDROXYLASE CATALYTIC DOMAIN DIMER WITH BOUND DOPAMINE INHIBITOR==
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The aromatic amino acid hydroxylases represent a superfamily of, structurally and functionally closely related enzymes, one of those, functions being reversible inhibition by catechol derivatives. Here we, present the crystal structure of the dimeric catalytic domain (residues, 117-424) of human phenylalanine hydroxylase (hPheOH), cocrystallized with, various potent and well-known catechol inhibitors and refined at a, resolution of 2.0 A. The catechols bind by bidentate coordination to each, iron in both subunits of the dimer through the catechol hydroxyl groups, forming a blue-green colored ligand-to-metal charge-transfer complex. In, addition, Glu330 and Tyr325 are identified as determinant residues in the, recognition of the inhibitors. In particular, the interaction with Glu330, ... [[http://ispc.weizmann.ac.il/pmbin/getpm?9843368 (full description)]]
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<StructureSection load='5pah' size='340' side='right'caption='[[5pah]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5pah]] is a 1 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=5PAH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5PAH 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]] 2.1&#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=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=LDP:L-DOPAMINE'>LDP</scene></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=5pah FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5pah OCA], [https://pdbe.org/5pah PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5pah RCSB], [https://www.ebi.ac.uk/pdbsum/5pah PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5pah ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/PH4H_HUMAN PH4H_HUMAN] Defects in PAH are the cause of phenylketonuria (PKU) [MIM:[https://omim.org/entry/261600 261600]. PKU is an autosomal recessive inborn error of phenylalanine metabolism, due to severe phenylalanine hydroxylase deficiency. It is characterized by blood concentrations of phenylalanine persistently above 1200 mumol (normal concentration 100 mumol) which usually causes mental retardation (unless low phenylalanine diet is introduced early in life). They tend to have light pigmentation, rashes similar to eczema, epilepsy, extreme hyperactivity, psychotic states and an unpleasant 'mousy' odor.<ref>PMID:8594560</ref> <ref>PMID:2840952</ref> <ref>PMID:2564729</ref> <ref>PMID:2615649</ref> <ref>PMID:1975559</ref> <ref>PMID:1671810</ref> <ref>PMID:2014802</ref> <ref>PMID:1672294</ref> <ref>PMID:1672290</ref> <ref>PMID:1679030</ref> <ref>PMID:1709636</ref> <ref>PMID:1355066</ref> <ref>PMID:1363837</ref> <ref>PMID:1363838</ref> <ref>PMID:8406445</ref> <ref>PMID:8068076</ref> <ref>PMID:7833954</ref> <ref>PMID:8889583</ref> <ref>PMID:8889590</ref> <ref>PMID:9048935</ref> <ref>PMID:9101291</ref> <ref>PMID:9521426</ref> <ref>PMID:9600453</ref> <ref>PMID:10200057</ref> <ref>PMID:9452061</ref> <ref>PMID:9452062</ref> <ref>PMID:9792407</ref> <ref>PMID:9792411</ref> <ref>PMID:9950317</ref> <ref>PMID:10679941</ref> <ref>PMID:11326337</ref> <ref>PMID:11180595</ref> <ref>PMID:11385716</ref> <ref>PMID:11461196</ref> <ref>PMID:12501224</ref> <ref>PMID:18538294</ref> <ref>PMID:22526846</ref> <ref>PMID:22513348</ref> Defects in PAH are the cause of non-phenylketonuria hyperphenylalaninemia (Non-PKU HPA) [MIM:[https://omim.org/entry/261600 261600]. Non-PKU HPA is a mild form of phenylalanine hydroxylase deficiency characterized by phenylalanine levels persistently below 600 mumol, which allows normal intellectual and behavioral development without treatment. Non-PKU HPA is usually caused by the combined effect of a mild hyperphenylalaninemia mutation and a severe one. Defects in PAH are the cause of hyperphenylalaninemia (HPA) [MIM:[https://omim.org/entry/261600 261600]. HPA is the mildest form of phenylalanine hydroxylase deficiency.<ref>PMID:9521426</ref> <ref>PMID:11385716</ref> <ref>PMID:12501224</ref> <ref>PMID:1358789</ref> <ref>PMID:8098245</ref> <ref>PMID:8088845</ref> <ref>PMID:9852673</ref> <ref>PMID:11935335</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/PH4H_HUMAN PH4H_HUMAN]
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pa/5pah_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=5pah ConSurf].
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<div style="clear:both"></div>
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==About this Structure==
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==See Also==
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5PAH is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]] with FE and LDP as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/Phenylalanine_4-monooxygenase Phenylalanine 4-monooxygenase]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.14.16.1 1.14.16.1]]. Structure known Active Site: NUL. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=5PAH OCA]].
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*[[Hydroxylases 3D structures|Hydroxylases 3D structures]]
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*[[Monooxygenase 3D structures|Monooxygenase 3D structures]]
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==Reference==
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== References ==
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Crystallographic analysis of the human phenylalanine hydroxylase catalytic domain with bound catechol inhibitors at 2.0 A resolution., Erlandsen H, Flatmark T, Stevens RC, Hough E, Biochemistry. 1998 Nov 10;37(45):15638-46. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9843368 9843368]
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Phenylalanine 4-monooxygenase]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Erlandsen H]]
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[[Category: Erlandsen, H.]]
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[[Category: Flatmark T]]
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[[Category: Flatmark, T.]]
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[[Category: Stevens RC]]
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[[Category: Stevens, R.C.]]
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[[Category: FE]]
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[[Category: LDP]]
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[[Category: non-heme iron-containing monooxygenase]]
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[[Category: oxidoreductase]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 17:49:15 2007''
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Current revision

HUMAN PHENYLALANINE HYDROXYLASE CATALYTIC DOMAIN DIMER WITH BOUND DOPAMINE INHIBITOR

PDB ID 5pah

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