<?xml version="1.0" encoding="UTF-8"?>
<emdEntry accessCode="2371" version="1.9.6">
    <admin>
        <lastUpdate>2014-05-21</lastUpdate>
    </admin>
    <deposition>
        <status prior="HPUB">OBS</status>
        <depositionDate>2013-05-08</depositionDate>
        <depositionSite>PDBe</depositionSite>
        <processingSite>PDBe</processingSite>
        <headerReleaseDate>2013-06-05</headerReleaseDate>
        <obsoletedDate>2014-05-21</obsoletedDate>
        <details>updated map in EMD-5954</details>
        <title>Electron cryo-microscopy of marine virus Syn.</title>
        <authors>Gipson P, Baker ML, Liu X, Raytcheva D, Haase C, Piret J, King J, Chiu W</authors>
        <keywords>Syn5, marine virus, Synechococcus, cyanophage, cyanobacteria, outer capsid protein, maturation</keywords>
        <fittedPDBEntryIdList>
            <fittedPDBEntryId>4bml</fittedPDBEntryId>
        </fittedPDBEntryIdList>
        <primaryReference published="false">
            <journalArticle>
                <authors>Gipson P, Baker ML, Liu X, Raytcheva D, Haase C, Piret J, King J, Chiu W</authors>
                <articleTitle>A distinct structural arrangement obtained by an ancient marine virus during maturation</articleTitle>
                <journal>To Be Published</journal>
                <volume/>
                <firstPage/>
                <lastPage/>
                <year/>
            </journalArticle>
        </primaryReference>
    </deposition>
    <map>
        <file format="CCP4" sizeKb="628865" type="map">emd_2371.map.gz</file>
        <dataType>Image stored as Reals</dataType>
        <dimensions>
            <numColumns>544</numColumns>
            <numRows>544</numRows>
            <numSections>544</numSections>
        </dimensions>
        <origin>
            <originCol>-272</originCol>
            <originRow>-272</originRow>
            <originSec>-272</originSec>
        </origin>
        <limit>
            <limitCol>271</limitCol>
            <limitRow>271</limitRow>
            <limitSec>271</limitSec>
        </limit>
        <spacing>
            <spacingCol>544</spacingCol>
            <spacingRow>544</spacingRow>
            <spacingSec>544</spacingSec>
        </spacing>
        <cell>
            <cellA units="A">718.08</cellA>
            <cellB units="A">718.08</cellB>
            <cellC units="A">718.08</cellC>
            <cellAlpha units="degrees">90.0</cellAlpha>
            <cellBeta units="degrees">90.0</cellBeta>
            <cellGamma units="degrees">90.0</cellGamma>
        </cell>
        <axisOrder>
            <axisOrderFast>X</axisOrderFast>
            <axisOrderMedium>Y</axisOrderMedium>
            <axisOrderSlow>Z</axisOrderSlow>
        </axisOrder>
        <statistics>
            <minimum>-0.70279670</minimum>
            <maximum>1.06672800</maximum>
            <average>0.01083561</average>
            <std>0.06751607</std>
        </statistics>
        <spaceGroupNumber>1</spaceGroupNumber>
        <details>::::EMDATABANK.org::::EMD-2371::::</details>
        <pixelSpacing>
            <pixelX units="A">1.32</pixelX>
            <pixelY units="A">1.32</pixelY>
            <pixelZ units="A">1.32</pixelZ>
        </pixelSpacing>
        <contourLevel source="author">0.26</contourLevel>
        <annotationDetails>Reconstruction of icosahedral symmetric map of marine virus Syn5</annotationDetails>
    </map>
    <supplement>
        <maskSet/>
        <sliceSet/>
        <figureSet>
            <figure>
                <file>emd_2371.png</file>
            </figure>
            <figure>
                <file>emd_2371_1.png</file>
            </figure>
        </figureSet>
        <fscSet/>
    </supplement>
    <sample>
        <numComponents>1</numComponents>
        <name>Mature capsid of marine virus Syn5</name>
        <sampleComponentList>
            <sampleComponent componentID="1">
                <entry>virus</entry>
                <sciName>Synechococcus phage Syn5</sciName>
                <synName>horned virus</synName>
                <virus>
                    <sciSpeciesName ncbiTaxId="438482">Synechococcus phage Syn5</sciSpeciesName>
                    <synSpeciesName>horned virus</synSpeciesName>
                    <empty>false</empty>
                    <enveloped>false</enveloped>
                    <isolate>SPECIES</isolate>
                    <class>VIRION</class>
                    <externalReferences/>
                    <natSource>
                        <hostSpeciesStrain>WH 8109</hostSpeciesStrain>
                        <hostSpecies ncbiTaxId="166314">Synechococcus sp. WH 8109</hostSpecies>
                        <hostCategory>BACTERIA(EUBACTERIA)</hostCategory>
                    </natSource>
                    <engSource/>
                    <shell id="1">
                        <diameter units="A">640</diameter>
                        <tNumber>7</tNumber>
                    </shell>
                </virus>
            </sampleComponent>
        </sampleComponentList>
    </sample>
    <experiment>
        <vitrification>
            <method>Blot for 1 second before plunging.</method>
            <cryogenName>ETHANE</cryogenName>
            <humidity>90</humidity>
            <instrument>FEI VITROBOT MARK IV</instrument>
        </vitrification>
        <imaging>
            <electronSource>FIELD EMISSION GUN</electronSource>
            <electronDose units="e/A**2">23</electronDose>
            <energyFilter>Omega</energyFilter>
            <imagingMode>BRIGHT FIELD</imagingMode>
            <nominalDefocusMin units="nm">0.7</nominalDefocusMin>
            <nominalDefocusMax units="nm">3.5</nominalDefocusMax>
            <illuminationMode>FLOOD BEAM</illuminationMode>
            <detector>GATAN ULTRASCAN 10000 (10k x 10k)</detector>
            <nominalCs units="mm">4.1</nominalCs>
            <microscope>JEOL 3200FSC</microscope>
            <date>28-AUG-2010</date>
            <specimenHolderModel>JEOL 3200FSC CRYOHOLDER</specimenHolderModel>
            <acceleratingVoltage units="kV">300</acceleratingVoltage>
            <nominalMagnification>80000</nominalMagnification>
            <energyWindow units="eV">0-25</energyWindow>
        </imaging>
        <imageAcquisition>
            <numDigitalImages>1000</numDigitalImages>
        </imageAcquisition>
        <fitting/>
        <specimenPreparation>
            <specimenState>particle</specimenState>
            <specimenSupportDetails>400 mesh Cu grid R1.2/1.3 grids</specimenSupportDetails>
        </specimenPreparation>
    </experiment>
    <processing>
        <method>singleParticle</method>
        <reconstruction>
            <algorithm>Cross-common lines</algorithm>
            <software>Multi-path, Simulated, Annealing, (MPSA)</software>
            <ctfCorrection>each frame</ctfCorrection>
            <resolutionByAuthor>5.7</resolutionByAuthor>
            <resolutionMethod>1) FSC at 0.5 cut-off between conventional even and odd maps
2) FSC between subunits of an asymmetric unit at FSC=0.33</resolutionMethod>
        </reconstruction>
        <singleParticle>
            <appliedSymmetry>I</appliedSymmetry>
            <numProjections>9700</numProjections>
            <details>The particles were selected using EMAN2, while 3D reconstruction was performed by multi-path simulated annealing (MPSA) program.</details>
        </singleParticle>
    </processing>
</emdEntry>
