<?xml version="1.0" encoding="UTF-8"?>
<emdEntry accessCode="1628" version="1.8">
    <admin>
        <lastUpdate>2011-04-26</lastUpdate>
    </admin>
    <deposition>
        <status>REL</status>
        <depositionDate>2009-06-22</depositionDate>
        <headerReleaseDate>2011-04-26</headerReleaseDate>
        <mapReleaseDate>2011-04-26</mapReleaseDate>
        <title>8-A cryoEM structure and molecular model of the myriapod (Scutigera) 6x6mer hemocyanin: understanding a giant oxygen transport protein</title>
        <authors>J.Markl,A.Moeller,A.G.Martin,J.Rheinbay,W.Gebauer,F.Depoix</authors>
        <keywords>hemocyanin, 3D electron microscopy, molecular model, allostery, Myriapoda</keywords>
        <primaryReference published="true">
            <journalArticle>
                <authors>Markl J, Moeller A, Martin AG, Rheinbay J, Gebauer W, Depoix F</authors>
                <articleTitle>10-A cryoEM structure and molecular model of the Myriapod (Scutigera) 6x6mer hemocyanin: understanding a giant oxygen transport protein.</articleTitle>
                <journal>J.MOL.BIOL.</journal>
                <volume>392</volume>
                <firstPage>362</firstPage>
                <lastPage>380</lastPage>
                <year>2009</year>
                <externalReference type="pubmed">19591844</externalReference>
                <externalReference type="doi">doi:10.1016/j.jmb.2009.06.082</externalReference>
            </journalArticle>
        </primaryReference>
    </deposition>
    <map>
        <file format="CCP4" sizeKb="157218" type="map">EMD-1628.map</file>
        <dataType>Image stored as Reals</dataType>
        <dimensions>
            <numColumns>340</numColumns>
            <numRows>340</numRows>
            <numSections>340</numSections>
        </dimensions>
        <origin>
            <originCol>0</originCol>
            <originRow>0</originRow>
            <originSec>0</originSec>
        </origin>
        <limit>
            <limitCol>339</limitCol>
            <limitRow>339</limitRow>
            <limitSec>339</limitSec>
        </limit>
        <spacing>
            <spacingCol>340</spacingCol>
            <spacingRow>340</spacingRow>
            <spacingSec>340</spacingSec>
        </spacing>
        <cell>
            <cellA units="A">340</cellA>
            <cellB units="A">340</cellB>
            <cellC units="A">340</cellC>
            <cellAlpha units="degrees">90</cellAlpha>
            <cellBeta units="degrees">90</cellBeta>
            <cellGamma units="degrees">90</cellGamma>
        </cell>
        <axisOrder>
            <axisOrderFast>X</axisOrderFast>
            <axisOrderMedium>Y</axisOrderMedium>
            <axisOrderSlow>Z</axisOrderSlow>
        </axisOrder>
        <statistics>
            <minimum>-0.0127973</minimum>
            <maximum>0.0186785</maximum>
            <average>0.00013993</average>
            <std>0.00129549</std>
        </statistics>
        <spaceGroupNumber>1</spaceGroupNumber>
        <details>::::EMDATABANK.org::::EMD-1628::::</details>
        <pixelSpacing>
            <pixelX units="A">1</pixelX>
            <pixelY units="A">1</pixelY>
            <pixelZ units="A">1</pixelZ>
        </pixelSpacing>
        <contourLevel source="emdb">0.0012</contourLevel>
        <annotationDetails>Hemocyanin from the myriapod Scutigera</annotationDetails>
    </map>
    <supplement>
        <maskSet/>
        <sliceSet/>
        <figureSet/>
        <fscSet/>
    </supplement>
    <sample>
        <numComponents>1</numComponents>
        <aggregationState>singleParticle</aggregationState>
        <name>Scutigera hemocyanin</name>
        <compDegree>6x6mer</compDegree>
        <molWtTheo units="MDa">2.7</molWtTheo>
        <sampleComponentList>
            <sampleComponent componentID="1">
                <entry>protein</entry>
                <sciName>Scutigera hemocyanin</sciName>
                <synName>ScoHc</synName>
                <molWtExp units="MDa">2.7</molWtExp>
                <protein>
                    <externalReferences/>
                    <sciSpeciesName ncbiTaxId="29022">Scutigera coleoptrata</sciSpeciesName>
                    <recombinantExpFlag>false</recombinantExpFlag>
                    <oligomericDetails>6x6mer</oligomericDetails>
                    <natSource>
                        <tissue>Hemolymph</tissue>
                    </natSource>
                    <engSource/>
                </protein>
            </sampleComponent>
        </sampleComponentList>
    </sample>
    <experiment>
        <vitrification>
            <cryogenName>ETHANE</cryogenName>
            <details>Vitrification instrument: Homebuilt</details>
            <humidity>90</humidity>
            <instrument>HOMEMADE PLUNGER</instrument>
        </vitrification>
        <imaging>
            <electronSource>FIELD EMISSION GUN</electronSource>
            <imagingMode>DARK FIELD</imagingMode>
            <illuminationMode>SPOT SCAN</illuminationMode>
            <specimenHolder>ST cryo holder</specimenHolder>
            <microscope>FEI TECNAI F30</microscope>
            <specimenHolderModel>GATAN LIQUID NITROGEN</specimenHolderModel>
            <acceleratingVoltage units="kV">300</acceleratingVoltage>
        </imaging>
        <imageAcquisition/>
        <fitting/>
        <samplePreparation>
            <buffer>
                <details>50mM Tris/HCl, 150mM NaCl</details>
                <sampleConc units="mg/ml">1</sampleConc>
                <ph>7.4</ph>
            </buffer>
            <staining>cryo EM, no stain</staining>
            <sampleSupportDetails>400 mesh copper</sampleSupportDetails>
        </samplePreparation>
    </experiment>
    <processing>
        <reconstruction>
            <software>IMAGIC-5</software>
            <ctfCorrection>CTFFIND3 and transfer IMAGIC-5</ctfCorrection>
            <resolutionByAuthor>8</resolutionByAuthor>
            <resolutionMethod>FSC-half bit</resolutionMethod>
        </reconstruction>
        <emDataSet>
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                <numProjections>6484</numProjections>
            </singleParticle>
        </emDataSet>
    </processing>
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