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[[Image:1h5a.gif|left|200px]]


{{Structure
==STRUCTURE OF FERRIC HORSERADISH PEROXIDASE C1A IN COMPLEX WITH ACETATE==
|PDB= 1h5a |SIZE=350|CAPTION= <scene name='initialview01'>1h5a</scene>, resolution 1.60&Aring;
<StructureSection load='1h5a' size='340' side='right'caption='[[1h5a]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
|SITE= <scene name='pdbsite=CAA:Hem+Binding+Site+For+Chain+A'>CAA</scene>
== Structural highlights ==
|LIGAND= <scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>
<table><tr><td colspan='2'>[[1h5a]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Armoracia_rusticana Armoracia rusticana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H5A OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1H5A FirstGlance]. <br>
|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Peroxidase Peroxidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.11.1.7 1.11.1.7] </span>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
|GENE=
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
|DOMAIN=
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1h5a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h5a OCA], [https://pdbe.org/1h5a PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1h5a RCSB], [https://www.ebi.ac.uk/pdbsum/1h5a PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1h5a ProSAT]</span></td></tr>
|RELATEDENTRY=
</table>
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1h5a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h5a OCA], [http://www.ebi.ac.uk/pdbsum/1h5a PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1h5a RCSB]</span>
== Function ==
}}
[https://www.uniprot.org/uniprot/PER1A_ARMRU PER1A_ARMRU] Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/h5/1h5a_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1h5a ConSurf].
<div style="clear:both"></div>


'''STRUCTURE OF FERRIC HORSERADISH PEROXIDASE C1A IN COMPLEX WITH ACETATE'''
==See Also==
 
*[[Horseradish peroxidase|Horseradish peroxidase]]
 
__TOC__
==Overview==
</StructureSection>
A molecular description of oxygen and peroxide activation in biological systems is difficult, because electrons liberated during X-ray data collection reduce the active centres of redox enzymes catalysing these reactions. Here we describe an effective strategy to obtain crystal structures for high-valency redox intermediates and present a three-dimensional movie of the X-ray-driven catalytic reduction of a bound dioxygen species in horseradish peroxidase (HRP). We also describe separate experiments in which high-resolution structures could be obtained for all five oxidation states of HRP, showing such structures with preserved redox states for the first time.
 
==About this Structure==
1H5A is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Armoracia_rusticana Armoracia rusticana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H5A OCA].
 
==Reference==
The catalytic pathway of horseradish peroxidase at high resolution., Berglund GI, Carlsson GH, Smith AT, Szoke H, Henriksen A, Hajdu J, Nature. 2002 May 23;417(6887):463-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12024218 12024218]
[[Category: Armoracia rusticana]]
[[Category: Armoracia rusticana]]
[[Category: Peroxidase]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Berglund GI]]
[[Category: Berglund, G I.]]
[[Category: Carlsson GH]]
[[Category: Carlsson, G H.]]
[[Category: Hajdu J]]
[[Category: Hajdu, J.]]
[[Category: Henriksen A]]
[[Category: Henriksen, A.]]
[[Category: Smith AT]]
[[Category: Smith, A T.]]
[[Category: Szoke H]]
[[Category: Szoke, H.]]
[[Category: acetate ion]]
[[Category: ferric state]]
[[Category: horseradish]]
[[Category: oxidoreductase]]
[[Category: peroxidase]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:57:58 2008''

Latest revision as of 14:28, 27 March 2024

STRUCTURE OF FERRIC HORSERADISH PEROXIDASE C1A IN COMPLEX WITH ACETATESTRUCTURE OF FERRIC HORSERADISH PEROXIDASE C1A IN COMPLEX WITH ACETATE

Structural highlights

1h5a is a 1 chain structure with sequence from Armoracia rusticana. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.6Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

PER1A_ARMRU Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1h5a, resolution 1.60Å

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