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[[Image:2g18.jpg|left|200px]]


{{Structure
==Crystal Structure of Nostoc sp. 7120 phycocyanobilin:ferredoxin oxidoreductase (PcyA) Apoprotein==
|PDB= 2g18 |SIZE=350|CAPTION= <scene name='initialview01'>2g18</scene>, resolution 2.50&Aring;
<StructureSection load='2g18' size='340' side='right'caption='[[2g18]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
|SITE=  
== Structural highlights ==
|LIGAND= <scene name='pdbligand=CA:CALCIUM ION'>CA</scene>
<table><tr><td colspan='2'>[[2g18]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Anabaena_sp. Anabaena sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G18 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2G18 FirstGlance]. <br>
|ACTIVITY= [http://en.wikipedia.org/wiki/Phycocyanobilin:ferredoxin_oxidoreductase Phycocyanobilin:ferredoxin oxidoreductase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.7.5 1.3.7.5]  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.5&#8491;</td></tr>
|GENE= pcyA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1167 Anabaena sp.])
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
}}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2g18 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2g18 OCA], [https://pdbe.org/2g18 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2g18 RCSB], [https://www.ebi.ac.uk/pdbsum/2g18 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2g18 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PCYA_NOSS1 PCYA_NOSS1] Catalyzes the four-electron reduction of biliverdin IX-alpha (2-electron reduction at both the A and D rings); the reaction proceeds via an isolatable 2-electron intermediate, 181,182-dihydrobiliverdin. Upon overexpression in E.coli with PCB:ferredoxin oxidoreductase, CpeS and either CpcB or PecB permits synthesis of phycocyanin-coupled CpcB or PecB.<ref>PMID:16452471</ref>
== 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/g1/2g18_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=2g18 ConSurf].
<div style="clear:both"></div>


'''Crystal Structure of Nostoc sp. 7120 phycocyanobilin:ferredoxin oxidoreductase (PcyA) Apoprotein'''
==See Also==
 
*[[Phycocyanobilin:ferredoxin oxidoreductase|Phycocyanobilin:ferredoxin oxidoreductase]]
 
== References ==
==About this Structure==
<references/>
2G18 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Anabaena_sp. Anabaena sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2G18 OCA].
__TOC__
[[Category: Anabaena sp.]]
</StructureSection>
[[Category: Phycocyanobilin:ferredoxin oxidoreductase]]
[[Category: Anabaena sp]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Fisher, A J.]]
[[Category: Fisher AJ]]
[[Category: Lagarias, J C.]]
[[Category: Lagarias JC]]
[[Category: Tu, S L.]]
[[Category: Tu S-L]]
[[Category: CA]]
[[Category: alpha-beta-alpha sandwich]]
 
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Retrieved from "https://proteopedia.org/2g18"