<emd emdb_id="EMD-2432" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2013-07-29</deposition>
            <header_release>2013-09-04</header_release>
            <map_release>2013-09-18</map_release>
            <update>2013-11-20</update>
        </key_dates>
        <title>The structure of the COPII coat assembled on membranes</title>
        <authors_list>
            <author>Zanetti G</author>
            <author>Prinz S</author>
            <author>Daum S</author>
            <author>Meister A</author>
            <author>Schekman R</author>
            <author>Bacia K</author>
            <author>Briggs JAG</author>
        </authors_list>
        <keywords>COPII, coat, secretion, trafficking, Sec23, Sec24, Sar1, Sec13, Sec31, membrane, budding</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Zanetti G</author>
                    <author order="2">Prinz S</author>
                    <author order="3">Daum S</author>
                    <author order="4">Meister A</author>
                    <author order="5">Schekman R</author>
                    <author order="6">Bacia K</author>
                    <author order="7">Briggs JA</author>
                    <title>The structure of the COPII transport-vesicle coat assembled on membranes.</title>
                    <journal>ELIFE</journal>
                    <volume>2</volume>
                    <first_page>e00951</first_page>
                    <last_page>e00951</last_page>
                    <year>2013</year>
                    <external_references type="PUBMED">24062940</external_references>
                    <external_references type="DOI">doi:10.7554/eLife.00951</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Cryo-tomogram of COPII-coated membrane</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Cryo-tomogram of COPII-coated membrane</name>
                <number_unique_components>5</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Sar1p</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's yeast</synonym_organism>
                    <cellular_location>cytosol/endoplasmic reticulum</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.021437</experimental>
                    <theoretical units="MDa">0.021437</theoretical>
                </molecular_weight>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                    <recombinant_strain>KBB1012</recombinant_strain>
                    <recombinant_cell>BL21/DE3</recombinant_cell>
                    <recombinant_plasmid>pTY40</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">C8ZIG2</external_references>
                    <external_references type="INTERPRO">IPR001936</external_references>
                    <external_references type="INTERPRO">IPR020859</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Sec23p</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's yeast</synonym_organism>
                    <cellular_location>cytosol/endoplasmic reticulum</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.085437</experimental>
                    <theoretical units="MDa">0.085437</theoretical>
                </molecular_weight>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4932">Saccharomyces cerevisiae</recombinant_organism>
                    <recombinant_strain>RSY3764</recombinant_strain>
                    <recombinant_plasmid>pTKY9</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">E7QAP0</external_references>
                    <external_references type="INTERPRO">IPR006896</external_references>
                    <external_references type="INTERPRO">IPR006900</external_references>
                    <external_references type="INTERPRO">IPR012990</external_references>
                    <external_references type="INTERPRO">IPR006895</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Sec24p</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's yeast</synonym_organism>
                    <cellular_location>cytosol/endoplasmic reticulum</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.103577</experimental>
                    <theoretical units="MDa">0.103577</theoretical>
                </molecular_weight>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4932">Saccharomyces cerevisiae</recombinant_organism>
                    <recombinant_strain>RSY3764</recombinant_strain>
                    <recombinant_plasmid>pLM129</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">C8ZAD6</external_references>
                    <external_references type="INTERPRO">IPR006896</external_references>
                    <external_references type="INTERPRO">IPR012990</external_references>
                    <external_references type="INTERPRO">IPR006900</external_references>
                    <external_references type="INTERPRO">IPR006895</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Sec13p</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's yeast</synonym_organism>
                    <cellular_location>cytosol/endoplasmic reticulum</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.020794</experimental>
                    <theoretical units="MDa">0.020794</theoretical>
                </molecular_weight>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4932">Saccharomyces cerevisiae</recombinant_organism>
                    <recombinant_strain>RSY1112</recombinant_strain>
                    <recombinant_plasmid>pNS3141 (6H31/CK1313)</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">E7Q6Z3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Sec31p</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's yeast</synonym_organism>
                    <cellular_location>cytosol/endoplasmic reticulum</cellular_location>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.138824</experimental>
                    <theoretical units="MDa">0.138824</theoretical>
                </molecular_weight>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4932">Saccharomyces cerevisiae</recombinant_organism>
                    <recombinant_strain>RSY1112</recombinant_strain>
                    <recombinant_plasmid>pNS3141 (6H31/CK1313)</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">E7Q1I6</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <method>tomography</method>
            <aggregation_state>filament</aggregation_state>
            <specimen_preparation_list>
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                    <buffer>
                        <ph>6.8</ph>
                        <details>HEPES, 50 mM KOAc, 1.2 mM MgCl2</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>plunge frozen</details>
                    </staining>
                    <grid>
                        <details>C-flat grids</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>HOMEMADE PLUNGER</instrument>
                    </vitrification>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">2.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">3.2</nominal_defocus_max>
                    <nominal_magnification>19500.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <specialist_optics>
                        <energy_filter>
                            <name>GATAN GIF 2002</name>
                        </energy_filter>
                    </specialist_optics>
                    <date>2012-09-18</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN MULTISCAN</film_or_detector_model>
                            <number_real_images>26</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">80</average_electron_dose_per_image>
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                            <min_angle units="deg">-60</min_angle>
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                            <angle_increment units="deg">3</angle_increment>
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                    </tilt_series>
                </tomography_microscopy>
                <tomography_microscopy microscopy_id="2">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">2.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">3.2</nominal_defocus_max>
                    <nominal_magnification>19500.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <specialist_optics>
                        <energy_filter>
                            <name>GATAN GIF 2002</name>
                        </energy_filter>
                    </specialist_optics>
                    <date>2012-06-19</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN MULTISCAN</film_or_detector_model>
                            <number_real_images>26</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">80</average_electron_dose_per_image>
                            <bits_per_pixel>16.</bits_per_pixel>
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                        <axis1>
                            <min_angle units="deg">-60</min_angle>
                            <max_angle units="deg">60</max_angle>
                            <angle_increment units="deg">3</angle_increment>
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                <details>CTF correction was performed on each projection.
Projections aligned based on gold fiducially</details>
                <final_reconstruction>
                    <software_list>
                        <software>
                            <name>Imod, Raptor</name>
                        </software>
                    </software_list>
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                    <details>each projection</details>
                </ctf_correction>
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