<?xml version="1.0" encoding="UTF-8"?>
<emdEntry accessCode="3042" version="1.9.6">
    <admin>
        <lastUpdate>2016-08-24</lastUpdate>
    </admin>
    <deposition>
        <status prior="HPUB">OBS</status>
        <depositionDate>2015-06-09</depositionDate>
        <depositionSite>PDBe</depositionSite>
        <processingSite>PDBe</processingSite>
        <headerReleaseDate>2015-07-15</headerReleaseDate>
        <obsoletedDate>2016-08-24</obsoletedDate>
        <details>Map recalculated using direct electron detector</details>
        <title>RNC-Ski238-complex in the "tethered" state</title>
        <authors>Schmidt C, Kowalinski E, Shanmuganathan V, Defenouillere Q, Braunger K, Pech M, Berninghausen O, Fromont-Racine M, Jacquier A, Conti E, Becker T, Beckmann R</authors>
        <keywords>3'-5' mRNA decay, non-stop mRNA decay, ribosome stalling</keywords>
        <primaryReference published="false">
            <journalArticle>
                <authors>Schmidt C, Kowalinski E, Shanmuganathan V, Defenouillere Q, Braunger K, Pech M, Berninghausen O, Fromont-Racine M, Jacquier A, Conti E, Becker T, Beckmann R</authors>
                <articleTitle>he Ski complex binds 80S ribosomes for 3- to 5- decay of mRNA</articleTitle>
                <journal>To Be Published</journal>
                <volume/>
                <firstPage/>
                <lastPage/>
                <year/>
            </journalArticle>
        </primaryReference>
    </deposition>
    <map>
        <file format="CCP4" sizeKb="197865" type="map">emd_3042.map.gz</file>
        <dataType>Image stored as Reals</dataType>
        <dimensions>
            <numColumns>370</numColumns>
            <numRows>370</numRows>
            <numSections>370</numSections>
        </dimensions>
        <origin>
            <originCol>-185</originCol>
            <originRow>-185</originRow>
            <originSec>-184</originSec>
        </origin>
        <limit>
            <limitCol>184</limitCol>
            <limitRow>184</limitRow>
            <limitSec>185</limitSec>
        </limit>
        <spacing>
            <spacingCol>370</spacingCol>
            <spacingRow>370</spacingRow>
            <spacingSec>370</spacingSec>
        </spacing>
        <cell>
            <cellA units="A">492.1</cellA>
            <cellB units="A">492.1</cellB>
            <cellC units="A">492.1</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>-0.74449033</minimum>
            <maximum>1.84592807</maximum>
            <average>-0.00238067</average>
            <std>0.15111394</std>
        </statistics>
        <spaceGroupNumber>1</spaceGroupNumber>
        <details>::::EMDATABANK.org::::EMD-3042::::</details>
        <pixelSpacing>
            <pixelX units="A">1.33</pixelX>
            <pixelY units="A">1.33</pixelY>
            <pixelZ units="A">1.33</pixelZ>
        </pixelSpacing>
        <contourLevel source="author">0.252</contourLevel>
        <annotationDetails>RNC-Ski238 complex in the "tethered" state</annotationDetails>
    </map>
    <supplement>
        <maskSet/>
        <sliceSet/>
        <figureSet/>
        <fscSet/>
    </supplement>
    <sample>
        <numComponents>4</numComponents>
        <name>RNC-Ski238-complex in the "tethered" state</name>
        <compDegree>One ribosome binds to one Ski complex (consisting of Ski2, Ski3 and two copies of Ski8)</compDegree>
        <molWtTheo units="MDa">3.4</molWtTheo>
        <sampleComponentList>
            <sampleComponent componentID="1">
                <entry>ribosome-eukaryote</entry>
                <sciName>80S ribosome</sciName>
                <ribosome-eukaryote>
                    <eukaryote>ALL</eukaryote>
                    <sciSpeciesName ncbiTaxId="4932">Saccharomyces cerevisiae</sciSpeciesName>
                    <synSpeciesName>Baker's Yeast</synSpeciesName>
                    <recombinantExpFlag>false</recombinantExpFlag>
                    <externalReferences/>
                    <natSource/>
                    <engSource/>
                </ribosome-eukaryote>
            </sampleComponent>
            <sampleComponent componentID="2">
                <entry>protein</entry>
                <sciName>Antiviral helicase SKI2</sciName>
                <synName>Ski2</synName>
                <molWtTheo units="MDa">0.146</molWtTheo>
                <protein>
                    <recombinantExpFlag>true</recombinantExpFlag>
                    <sciSpeciesName ncbiTaxId="4932">Saccharomyces cerevisiae</sciSpeciesName>
                    <oligomericDetails>Monomer</oligomericDetails>
                    <numCopies>1</numCopies>
                    <synSpeciesName>Baker's Yeast</synSpeciesName>
                    <externalReferences>
                        <refUniProt>P35207</refUniProt>
                    </externalReferences>
                    <natSource/>
                    <engSource>
                        <expSystem ncbiTaxId="7111">Trichoplusia ni</expSystem>
                        <expSystemCell>High five</expSystemCell>
                        <vector>pFastBac</vector>
                    </engSource>
                </protein>
            </sampleComponent>
            <sampleComponent componentID="3">
                <entry>protein</entry>
                <sciName>Superkiller protein 3</sciName>
                <synName>Ski3</synName>
                <molWtTheo units="MDa">0.164</molWtTheo>
                <protein>
                    <sciSpeciesName ncbiTaxId="4932">Saccharomyces cerevisiae</sciSpeciesName>
                    <numCopies>1</numCopies>
                    <synSpeciesName>Baker's Yeast</synSpeciesName>
                    <oligomericDetails>monomer</oligomericDetails>
                    <recombinantExpFlag>true</recombinantExpFlag>
                    <externalReferences>
                        <refUniProt>P17883</refUniProt>
                    </externalReferences>
                    <natSource/>
                    <engSource>
                        <vector>pFastBac</vector>
                        <expSystem ncbiTaxId="7111">Trichoplusia ni</expSystem>
                        <expSystemCell>High five</expSystemCell>
                    </engSource>
                </protein>
            </sampleComponent>
            <sampleComponent componentID="4">
                <entry>protein</entry>
                <sciName>Antiviral protein SKI8</sciName>
                <synName>Ski8</synName>
                <molWtTheo units="MDa">0.044</molWtTheo>
                <protein>
                    <recombinantExpFlag>true</recombinantExpFlag>
                    <oligomericDetails>Dimer</oligomericDetails>
                    <numCopies>2</numCopies>
                    <sciSpeciesName ncbiTaxId="4932">Saccharomyces cerevisiae</sciSpeciesName>
                    <synSpeciesName>Baker's Yeast</synSpeciesName>
                    <externalReferences>
                        <refUniProt>Q02793</refUniProt>
                    </externalReferences>
                    <natSource/>
                    <engSource>
                        <expSystemCell>high five</expSystemCell>
                        <vector>pFastBac</vector>
                        <expSystem ncbiTaxId="7111">Trichoplusia ni</expSystem>
                    </engSource>
                </protein>
            </sampleComponent>
        </sampleComponentList>
    </sample>
    <experiment>
        <vitrification>
            <method>Blot for 3 seconds before plunging</method>
            <cryogenName>ETHANE</cryogenName>
            <humidity>100</humidity>
            <instrument>FEI VITROBOT MARK IV</instrument>
        </vitrification>
        <imaging>
            <electronSource>FIELD EMISSION GUN</electronSource>
            <electronDose units="e/A**2">25</electronDose>
            <imagingMode>BRIGHT FIELD</imagingMode>
            <nominalDefocusMin units="nm">910</nominalDefocusMin>
            <nominalDefocusMax units="nm">4330</nominalDefocusMax>
            <illuminationMode>FLOOD BEAM</illuminationMode>
            <detector>TVIPS TEMCAM-F816 (8k x 8k)</detector>
            <nominalCs units="mm">2.7</nominalCs>
            <microscope>FEI TITAN KRIOS</microscope>
            <date>30-JUN-2014</date>
            <specimenHolderModel>FEI TITAN KRIOS AUTOGRID HOLDER</specimenHolderModel>
            <acceleratingVoltage units="kV">300</acceleratingVoltage>
        </imaging>
        <imageAcquisition>
            <numDigitalImages>8425</numDigitalImages>
            <quantBitNumber>16</quantBitNumber>
        </imageAcquisition>
        <fitting/>
        <specimenPreparation>
            <staining>Cryo-EM</staining>
            <specimenState>particle</specimenState>
            <specimenSupportDetails>Quantifoil Grids with 2 nm carbon on top</specimenSupportDetails>
            <buffer>
                <details>20 mM Tris pH 7.0, 150 mM potassium acetate (KOAc), 10 mM magnesium acetate (Mg(OAc)2), 1 mM dithiothreitol (DTT) and 0.01 mg/ml cycloheximide.</details>
                <ph>7.0</ph>
            </buffer>
        </specimenPreparation>
    </experiment>
    <processing>
        <method>singleParticle</method>
        <reconstruction>
            <algorithm>projectionj matching (SPIDER</algorithm>
            <software>SPIDER</software>
            <ctfCorrection>on volumes (SPIDER)</ctfCorrection>
            <resolutionByAuthor>8.54</resolutionByAuthor>
            <resolutionMethod>FSC 0.5, semi-independent</resolutionMethod>
        </reconstruction>
        <singleParticle>
            <appliedSymmetry>C1</appliedSymmetry>
            <numProjections>30508</numProjections>
            <details>This is a data subset after computational sorting with SPIDER</details>
        </singleParticle>
    </processing>
</emdEntry>
