<emd emdb_id="EMD-6332" 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>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2015-05-04</deposition>
            <header_release>2015-05-27</header_release>
            <map_release>2015-08-19</map_release>
            <update>2015-09-16</update>
        </key_dates>
        <title>3D reconstruction of a ferritin-based nanoparticle displaying H1 Hemagglutinin stem epitopes</title>
        <authors_list>
            <author>Gallagher JR</author>
            <author>Harris AK</author>
            <author>Yassine HM</author>
            <author>Boyington JC</author>
            <author>McTamney PM</author>
            <author>Wei CJ</author>
            <author>Masaru M</author>
            <author>Kong WP</author>
            <author>Wang L</author>
            <author>Zhang Y</author>
            <author>Joyce MG</author>
            <author>Lingwood D</author>
            <author>Moin SM</author>
            <author>Andersen H</author>
            <author>Okuno Y</author>
            <author>Rao SS</author>
            <author>Kwong PD</author>
            <author>Mascola JR</author>
            <author>Nabel GJ</author>
            <author>Graham BS</author>
        </authors_list>
        <keywords>nanoparticle, vaccine, epitope display, influenza</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Yassine HM</author>
                    <author order="2">Boyington JC</author>
                    <author order="3">McTamney PM</author>
                    <author order="4">Wei CJ</author>
                    <author order="5">Kanekiyo M</author>
                    <author order="6">Kong WP</author>
                    <author order="7">Gallagher JR</author>
                    <author order="8">Wang L</author>
                    <author order="9">Zhang Y</author>
                    <author order="10">Joyce MG</author>
                    <author order="11">Lingwood D</author>
                    <author order="12">Moin SM</author>
                    <author order="13">Andersen H</author>
                    <author order="14">Okuno Y</author>
                    <author order="15">Rao SS</author>
                    <author order="16">Harris AK</author>
                    <author order="17">Kwong PD</author>
                    <author order="18">Mascola JR</author>
                    <author order="19">Nabel GJ</author>
                    <author order="20">Graham BS</author>
                    <title>Hemagglutinin-stem nanoparticles generate heterosubtypic influenza protection.</title>
                    <journal>NAT.MED. (N.Y.)</journal>
                    <volume>21</volume>
                    <first_page>1065</first_page>
                    <last_page>1070</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">26301691</external_references>
                    <external_references type="DOI">doi:10.1038/nm.3927</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>H. pylori ferritin fusion with engineered H1 hemagglutin stem domain</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>H. pylori ferritin fusion with engineered H1 hemagglutin stem domain</name>
                <oligomeric_state>nanoparticle of 24 subunits</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <experimental units="MDa">1</experimental>
                    <theoretical units="MDa">0.97</theoretical>
                    <method>gel filtration</method>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="HA-stem ferritin nanoparticle">Hemagglutinin stem ferritin nanoparticle</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">1</experimental>
                    <theoretical units="MDa">0.97</theoretical>
                </molecular_weight>
                <number_of_copies>24</number_of_copies>
                <oligomeric_state>nanoparticle of 24 subunits</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                    <recombinant_cell>293F</recombinant_cell>
                </recombinant_expression>
                <sequence />
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">0.8</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>12 mM Na/K phosphate, 137 mM NaCl</details>
                    </buffer>
                    <grid>
                        <details>holey carbon film, Quantifoil</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <chamber_temperature units="K">118</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_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">300</acceleration_voltage>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">3.5</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">7.0</nominal_defocus_max>
                    <nominal_magnification>75000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <temperature>
                        <temperature_min units="K">80</temperature_min>
                        <temperature_max units="K">105</temperature_max>
                        <temperature_average units="K">100</temperature_average>
                    </temperature>
                    <date>2014-10-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN ULTRASCAN 4000 (4k x 4k)</film_or_detector_model>
                            <number_real_images>209</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">15</average_electron_dose_per_image>
                            <bits_per_pixel>16.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>Particles were selected manually.</details>
                <ctf_correction>
                    <details>micrograph</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">16.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>CTFFIND3, RELION</name>
                        </software>
                    </software_list>
                    <details>final reconstruction from 49% of the initial particle set</details>
                    <number_images_used>6540</number_images_used>
                </final_reconstruction>
                <final_two_d_classification>
                    <number_classes>80</number_classes>
                </final_two_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8193">
        <file>emd_6332.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>128</col>
            <row>128</row>
            <sec>128</sec>
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        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
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            <a units="&#8491;">336.64</a>
            <b units="&#8491;">336.64</b>
            <c units="&#8491;">336.64</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-0.04077554</minimum>
            <maximum>0.1163357</maximum>
            <average>0.00035891</average>
            <std>0.01660633</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">2.63</x>
            <y units="&#8491;">2.63</y>
            <z units="&#8491;">2.63</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.024</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>ferritin-hemagglutinin nanoparticle</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6332::::</details>
    </map>
    <interpretation>
        <figure_list>
            <figure>
                <file>emd_6332.png</file>
            </figure>
        </figure_list>
        <segmentation_list>
            <segmentation>
                <file>emd_6332_msk_1.map</file>
                <mask_details format="CCP4" size_kbytes="8193">
                    <file>emd_6332_msk_1.map</file>
                    <symmetry>
                        <space_group>1</space_group>
                    </symmetry>
                    <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                    <dimensions>
                        <col>128</col>
                        <row>128</row>
                        <sec>128</sec>
                    </dimensions>
                    <origin>
                        <col>0</col>
                        <row>0</row>
                        <sec>0</sec>
                    </origin>
                    <spacing>
                        <x>128</x>
                        <y>128</y>
                        <z>128</z>
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                        <a units="&#8491;">336.64</a>
                        <b units="&#8491;">336.64</b>
                        <c units="&#8491;">336.64</c>
                        <alpha units="deg">90.0</alpha>
                        <beta units="deg">90.0</beta>
                        <gamma units="deg">90.0</gamma>
                    </cell>
                    <axis_order>
                        <fast>X</fast>
                        <medium>Y</medium>
                        <slow>Z</slow>
                    </axis_order>
                    <statistics>
                        <minimum>0.0</minimum>
                        <maximum>1.0</maximum>
                        <average>0.19779563</average>
                        <std>0.37291759</std>
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                        <y units="&#8491;">2.63</y>
                        <z units="&#8491;">2.63</z>
                    </pixel_spacing>
                    <annotation_details>relion_postprocess automask: threshold=0.008 extend=4, soft-edge=8,</annotation_details>
                    <details>::::EMDATABANK.org::::</details>
                </mask_details>
            </segmentation>
        </segmentation_list>
    </interpretation>
    <validation>
        <fsc_curve>
            <file>emd_6332_fsc.xml</file>
        </fsc_curve>
    </validation>
</emd>
