<?xml version="1.0" encoding="UTF-8"?>
<emdEntry accessCode="2449" version="1.9.6">
    <admin>
        <lastUpdate>2015-01-14</lastUpdate>
    </admin>
    <deposition>
        <status prior="HPUB">OBS</status>
        <depositionDate>2013-09-05</depositionDate>
        <depositionSite>PDBe</depositionSite>
        <processingSite>PDBe</processingSite>
        <headerReleaseDate>2013-10-09</headerReleaseDate>
        <obsoletedDate>2015-01-14</obsoletedDate>
        <details>hold period expired.</details>
        <title>Electron microscopy of the complex formed by chaperones TBCE and TBCB and alpha-tubulin</title>
        <authors>Serna M, Carranza G, Martin-Benito J, Janowsk R, Canals A, Coll M, Zabala JC, Valpuesta JM</authors>
        <keywords>chaperones, protein folding, protein degradation, tubulin proteostasis</keywords>
        <primaryReference published="false">
            <journalArticle>
                <authors>Serna M, Carranza G, Martin-Benito J, Janowski R, Canals A, Coll M, Zabala JC, Valpuesta JM</authors>
                <articleTitle>The structure of the complex formed by chaperones TBCE and TBCB and alpha-tubulin reveals a mechanically driven dissociation of the tubulin dimer</articleTitle>
                <journal>To Be Published</journal>
                <volume/>
                <firstPage/>
                <lastPage/>
                <year/>
            </journalArticle>
        </primaryReference>
    </deposition>
    <map>
        <file format="CCP4" sizeKb="55" type="map">emd_2449.map.gz</file>
        <dataType>Image stored as Reals</dataType>
        <dimensions>
            <numColumns>24</numColumns>
            <numRows>24</numRows>
            <numSections>24</numSections>
        </dimensions>
        <origin>
            <originCol>0</originCol>
            <originRow>0</originRow>
            <originSec>0</originSec>
        </origin>
        <limit>
            <limitCol>23</limitCol>
            <limitRow>23</limitRow>
            <limitSec>23</limitSec>
        </limit>
        <spacing>
            <spacingCol>24</spacingCol>
            <spacingRow>24</spacingRow>
            <spacingSec>24</spacingSec>
        </spacing>
        <cell>
            <cellA units="A">111.84</cellA>
            <cellB units="A">111.84</cellB>
            <cellC units="A">111.84</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>-0.06966436</minimum>
            <maximum>0.16886918</maximum>
            <average>0.00422765</average>
            <std>0.02536990</std>
        </statistics>
        <spaceGroupNumber>1</spaceGroupNumber>
        <details>::::EMDATABANK.org::::EMD-2449::::</details>
        <pixelSpacing>
            <pixelX units="A">4.66</pixelX>
            <pixelY units="A">4.66</pixelY>
            <pixelZ units="A">4.66</pixelZ>
        </pixelSpacing>
        <contourLevel source="author">0.051</contourLevel>
        <annotationDetails>Reconstruction of the human and wildtype TBCE</annotationDetails>
    </map>
    <supplement>
        <maskSet/>
        <sliceSet/>
        <figureSet/>
        <fscSet/>
    </supplement>
    <sample>
        <numComponents>1</numComponents>
        <name>Human Tubulin Binding Cofactor E</name>
        <compDegree>Monomer</compDegree>
        <molWtTheo units="MDa">0.059</molWtTheo>
        <sampleComponentList>
            <sampleComponent componentID="1">
                <entry>protein</entry>
                <sciName>Tubulin binding cofactor E</sciName>
                <synName>Tubulin-specific chaperone E</synName>
                <molWtTheo units="MDa">0.059</molWtTheo>
                <protein>
                    <sciSpeciesName ncbiTaxId="9606">Homo sapiens</sciSpeciesName>
                    <recombinantExpFlag>true</recombinantExpFlag>
                    <oligomericDetails>Monomer</oligomericDetails>
                    <synSpeciesName>Human</synSpeciesName>
                    <numCopies>1</numCopies>
                    <externalReferences>
                        <refUniProt>Q15813</refUniProt>
                    </externalReferences>
                    <natSource>
                        <cellLocation>Cytoplasm</cellLocation>
                    </natSource>
                    <engSource>
                        <vector>pFastBac-1</vector>
                        <expSystem ncbiTaxId="7108">Spodoptera frugiperda</expSystem>
                        <expSystemCell>Sf9</expSystemCell>
                    </engSource>
                </protein>
            </sampleComponent>
        </sampleComponentList>
    </sample>
    <experiment>
        <vitrification>
            <cryogenName>NONE</cryogenName>
            <instrument>NONE</instrument>
        </vitrification>
        <imaging>
            <astigmatism>Objective lens astigmatism was corrected at 100,000 times magnification</astigmatism>
            <electronSource>TUNGSTEN HAIRPIN</electronSource>
            <electronDose units="e/A**2">10</electronDose>
            <imagingMode>BRIGHT FIELD</imagingMode>
            <nominalDefocusMin units="nm">1000</nominalDefocusMin>
            <nominalDefocusMax units="nm">1500</nominalDefocusMax>
            <illuminationMode>FLOOD BEAM</illuminationMode>
            <detector>KODAK SO-163 FILM</detector>
            <nominalCs units="mm">5.6</nominalCs>
            <microscope>JEOL 1200EXII</microscope>
            <date>01-FEB-2011</date>
            <specimenHolderModel>JEOL</specimenHolderModel>
            <acceleratingVoltage units="kV">100</acceleratingVoltage>
            <nominalMagnification>60000</nominalMagnification>
        </imaging>
        <imageAcquisition>
            <scanner>ZEISS SCAI</scanner>
            <numDigitalImages>68</numDigitalImages>
            <samplingSize units="microns">14</samplingSize>
        </imageAcquisition>
        <fitting/>
        <specimenPreparation>
            <staining>Grids with adsorbed protein floated on 2% w/v uranyl acetate for 1 min.</staining>
            <specimenState>particle</specimenState>
            <specimenConc units="mg/ml">0.01</specimenConc>
            <specimenSupportDetails>300 mesh copper grid with thin carbon support, glow discharged in air atmosphere</specimenSupportDetails>
            <buffer>
                <details>100mM MES-NaOH, 25mM KCl, 1mM MgCl2, 1mM EGTA</details>
                <ph>6.7</ph>
            </buffer>
        </specimenPreparation>
    </experiment>
    <processing>
        <method>singleParticle</method>
        <reconstruction>
            <algorithm>Iterative angular refinement, projection matching</algorithm>
            <software>EMAN, Spider, XMIPP</software>
            <ctfCorrection>N. Grigorieff CTFFIND3</ctfCorrection>
            <details>Individual particles were manually selected using XMIPP software package.</details>
            <resolutionByAuthor>17</resolutionByAuthor>
            <resolutionMethod>FSC 0.333</resolutionMethod>
        </reconstruction>
        <singleParticle>
            <appliedSymmetry>C1</appliedSymmetry>
            <numProjections>12000</numProjections>
            <details>The particles were manually selected using the XMIPP program</details>
        </singleParticle>
    </processing>
</emdEntry>
