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==Structure of an extracellular giant hemoglobin of the gutless beard worm Oligobrachia mashikoi==
==Structure of an extracellular giant hemoglobin of the gutless beard worm Oligobrachia mashikoi==
<StructureSection load='2d2m' size='340' side='right' caption='[[2d2m]], [[Resolution|resolution]] 2.85&Aring;' scene=''>
<StructureSection load='2d2m' size='340' side='right'caption='[[2d2m]], [[Resolution|resolution]] 2.85&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2d2m]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Oligobrachia_mashikoi Oligobrachia mashikoi]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2D2M OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2D2M FirstGlance]. <br>
<table><tr><td colspan='2'>[[2d2m]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Oligobrachia_mashikoi Oligobrachia mashikoi]. The March 2013 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Erythrocruorin''  by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2013_3 10.2210/rcsb_pdb/mom_2013_3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2D2M OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2D2M FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=OXY:OXYGEN+MOLECULE'>OXY</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.85&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2d2n|2d2n]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=OXY:OXYGEN+MOLECULE'>OXY</scene></td></tr>
<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=2d2m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2d2m OCA], [http://pdbe.org/2d2m PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2d2m RCSB], [http://www.ebi.ac.uk/pdbsum/2d2m PDBsum]</span></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=2d2m FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2d2m OCA], [https://pdbe.org/2d2m PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2d2m RCSB], [https://www.ebi.ac.uk/pdbsum/2d2m PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2d2m ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/GLBB1_OLIMA GLBB1_OLIMA]] The extracellular giant hemoglobin is able to bind and transport oxygen and sulfide simultaneously and reversibly at two different sites. [[http://www.uniprot.org/uniprot/GLBA1_OLIMA GLBA1_OLIMA]] The extracellular giant hemoglobin is able to bind and transport oxygen and hydrosulfide simultaneously and reversibly at two different sites. [[http://www.uniprot.org/uniprot/GLBB2_OLIMA GLBB2_OLIMA]] The extracellular giant hemoglobin is able to bind and transport oxygen and hydrosulfide simultaneously and reversibly at two different sites. [[http://www.uniprot.org/uniprot/GLBA2_OLIMA GLBA2_OLIMA]] The extracellular giant hemoglobin is able to bind and transport oxygen and hydrosulfide simultaneously and reversibly at two different sites.  
[https://www.uniprot.org/uniprot/GLBA1_OLIMA GLBA1_OLIMA] The extracellular giant hemoglobin is able to bind and transport oxygen and hydrosulfide simultaneously and reversibly at two different sites.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d2/2d2m_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d2/2d2m_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </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/chain_selection.php?pdb_ID=2ata ConSurf].
</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=2d2m ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
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==See Also==
==See Also==
*[[Carbonic anhydrase 3D structures|Carbonic anhydrase 3D structures]]
*[[Hemoglobin 3D structures|Hemoglobin 3D structures]]
*[[Hemoglobin 3D structures|Hemoglobin 3D structures]]
== References ==
== References ==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Erythrocruorin]]
[[Category: Large Structures]]
[[Category: Oligobrachia mashikoi]]
[[Category: Oligobrachia mashikoi]]
[[Category: Fukumori, Y]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: Kita, A]]
[[Category: Fukumori Y]]
[[Category: Miki, K]]
[[Category: Kita A]]
[[Category: Nakagawa, T]]
[[Category: Miki K]]
[[Category: Numoto, N]]
[[Category: Nakagawa T]]
[[Category: Sasayama, Y]]
[[Category: Numoto N]]
[[Category: Giant hemoglobin]]
[[Category: Sasayama Y]]
[[Category: Invertebrate]]
[[Category: Oxygen storage-transport complex]]
[[Category: Pogonophora]]
[[Category: Sulfide binding]]
Retrieved from "https://proteopedia.org/2d2m"