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1hbg

From Proteopedia

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[[Image:1hbg.gif|left|200px]]
 
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==GLYCERA DIBRANCHIATA HEMOGLOBIN. STRUCTURE AND REFINEMENT AT 1.5 ANGSTROMS RESOLUTION==
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The line below this paragraph, containing "STRUCTURE_1hbg", creates the "Structure Box" on the page.
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<StructureSection load='1hbg' size='340' side='right'caption='[[1hbg]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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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'>[[1hbg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Glycera_dibranchiata Glycera dibranchiata]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HBG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HBG FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 1.5&#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=CMO:CARBON+MONOXIDE'>CMO</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
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{{STRUCTURE_1hbg| PDB=1hbg | 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=1hbg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hbg OCA], [https://pdbe.org/1hbg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hbg RCSB], [https://www.ebi.ac.uk/pdbsum/1hbg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hbg ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/GLB1_GLYDI GLB1_GLYDI]
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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/hb/1hbg_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=1hbg ConSurf].
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<div style="clear:both"></div>
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'''GLYCERA DIBRANCHIATA HEMOGLOBIN. STRUCTURE AND REFINEMENT AT 1.5 ANGSTROMS RESOLUTION'''
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==See Also==
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*[[Hemoglobin 3D structures|Hemoglobin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The coelomic cells of the common marine bloodworm Glycera dibranchiata contain several hemoglobin monomers and polydisperse polymers. We present the refined structure of one of the Glycera monomers at 1.5 A resolution. The molecular model for protein and ordered solvent for the deoxy form of the Glycera monomer has been refined to a crystallographic R-factor of 12.7% against an X-ray diffraction dataset at 1.5 A resolution. The positions of 1095 protein atoms have been determined with a maximum root-mean-square (r.m.s.) error of 0.13 A, and the r.m.s. deviation from ideal bond lengths is 0.015 A and from ideal bond angles is 1.0 degree. The r.m.s. deviation of planar groups from their least-squares planes is 0.007 A, and the r.m.s. deviation for torsion angles is 1.2 degrees for peptide groups and 16.8 degrees for side-chains. A total of 153 water molecules has been located, and they have been refined to a final average occupancy of 0.80. Multiple conformations have been found for five side-chains, and a change has been suggested for the sequence at five residues. The heme group is present in the "reverse" orientation that differs only in the positions of the vinyl beta-carbons from the "normal" orientation. The doming of the heme towards the proximal side, and the bond distances and angles of the heme and proximal histidine are typical of most deoxy globin structures. The substitution of leucine for the distal histidine residue (E7) creates an unusually hydrophobic heme pocket.
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==About this Structure==
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1HBG is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Glycera_dibranchiata Glycera dibranchiata]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HBG OCA].
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==Reference==
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Glycera dibranchiata hemoglobin. Structure and refinement at 1.5 A resolution., Arents G, Love WE, J Mol Biol. 1989 Nov 5;210(1):149-61. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/2585515 2585515]
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[[Category: Glycera dibranchiata]]
[[Category: Glycera dibranchiata]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Arents, G A.]]
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[[Category: Arents GA]]
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[[Category: Braden, B C.]]
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[[Category: Braden BC]]
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[[Category: Love, W E.]]
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[[Category: Love WE]]
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[[Category: Padlan, E A.]]
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[[Category: Padlan EA]]
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[[Category: Oxygen transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 18:40:02 2008''
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Current revision

GLYCERA DIBRANCHIATA HEMOGLOBIN. STRUCTURE AND REFINEMENT AT 1.5 ANGSTROMS RESOLUTION

PDB ID 1hbg

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