<emd emdb_id="EMD-5733" 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>2013-07-29</deposition>
            <header_release>2013-08-28</header_release>
            <map_release>2013-09-25</map_release>
            <update>2013-10-30</update>
        </key_dates>
        <title>Antibody Recognition of the Pandemic H1N1 Influenza Hemagglutinin Receptor Binding Site</title>
        <authors_list>
            <author>Hong M</author>
            <author>Lee PS</author>
            <author>Hoffman RMB</author>
            <author>Zhu X</author>
            <author>Krause JC</author>
            <author>Laursen NS</author>
            <author>Yoon S</author>
            <author>Song L</author>
            <author>Tussey L</author>
            <author>Crowe Jr JE</author>
            <author>Ward AB</author>
            <author>Wilson IA</author>
        </authors_list>
        <keywords>influenza, hemagglutinin, antibody, neutralizing, Fab</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Hong M</author>
                    <author order="2">Lee PS</author>
                    <author order="3">Hoffman RM</author>
                    <author order="4">Zhu X</author>
                    <author order="5">Krause JC</author>
                    <author order="6">Laursen NS</author>
                    <author order="7">Yoon SI</author>
                    <author order="8">Song L</author>
                    <author order="9">Tussey L</author>
                    <author order="10">Crowe JE</author>
                    <author order="11">Ward AB</author>
                    <author order="12">Wilson IA</author>
                    <title>Antibody Recognition of the Pandemic H1N1 Influenza Virus Hemagglutinin Receptor Binding Site.</title>
                    <journal>J.VIROL.</journal>
                    <volume>87</volume>
                    <first_page>12471</first_page>
                    <last_page>12480</last_page>
                    <year>2013</year>
                    <external_references type="PUBMED">24027321</external_references>
                    <external_references type="DOI">doi:10.1128/JVI.01388-13</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Influenza hemagglutinin (A/California/4/2009, H1N1) bound to neutralizing antibody (Fab 5J8)</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Influenza hemagglutinin (A/California/4/2009, H1N1) bound to neutralizing antibody (Fab 5J8)</name>
                <oligomeric_state>One HA trimer bound to three Fabs</oligomeric_state>
                <number_unique_components>2</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">0.289</theoretical>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>5J8 Fab fragment</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>Human</synonym_organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.046</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                    <recombinant_cell>High Five</recombinant_cell>
                    <recombinant_plasmid>pFastBac Dual</recombinant_plasmid>
                </recombinant_expression>
                <sequence />
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Influenza A/Singapore/6/1986 (H1N1) hemagglutinin</name>
                <natural_source database="NCBI">
                    <organism ncbi="11320">Influenza A virus</organism>
                    <strain>A/California/4/2009 (H1N1)</strain>
                    <synonym_organism>Flu</synonym_organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.151</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>trimer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                    <recombinant_plasmid>pET24a</recombinant_plasmid>
                </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">0.02</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>150 mM NaCl, 50 mM Tris</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>two cycles of "Nano-W" (2% methylamine tungstate) applied for 20 seconds</details>
                    </staining>
                    <grid>
                        <details>400 mesh copper grids coated in nitrocellulose and thin carbon, glow discharged in argon/oxygen</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>NONE</cryogen_name>
                        <instrument>OTHER</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI 12</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">120</acceleration_voltage>
                    <nominal_defocus_min units="&#181;m">1.3</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">1.3</nominal_defocus_max>
                    <nominal_magnification>52000.0</nominal_magnification>
                    <calibrated_magnification>52000.0</calibrated_magnification>
                    <specimen_holder_model>SIDE ENTRY, EUCENTRIC</specimen_holder_model>
                    <temperature>
                        <temperature_average units="K">298</temperature_average>
                    </temperature>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>Objective lens astigmatism corrected at 100,000 times magnification.</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <date>2013-02-14</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">TVIPS TEMCAM-F416 (4k x 4k)</film_or_detector_model>
                            <number_real_images>462</number_real_images>
                            <details>Tilt series varying from 0-55 degrees, alternating low and high tilts on similarly stained regions</details>
                        </image_recording>
                    </image_recording_list>
                    <tilt_angle_min>0</tilt_angle_min>
                    <tilt_angle_max>55</tilt_angle_max>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>Particles were selected using automatic (difference-of-Gaussians) picking followed by reference-free classification to eliminate noisy picks or non-target aggregation states.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">23.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>Appion, Spider, Xmipp, Eman1</name>
                        </software>
                    </software_list>
                    <number_images_used>5106</number_images_used>
                </final_reconstruction>
                <final_angle_assignment>
                    <details>Eman1: 5 degrees</details>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_5733.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
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            <col>128</col>
            <row>128</row>
            <sec>128</sec>
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            <y>128</y>
            <z>128</z>
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        <cell>
            <a units="&#8491;">339.2</a>
            <b units="&#8491;">339.2</b>
            <c units="&#8491;">335.36</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>-9.43807316</minimum>
            <maximum>16.238319400000002</maximum>
            <average>0.0</average>
            <std>0.87717199</std>
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            <x units="&#8491;">2.65</x>
            <y units="&#8491;">2.65</y>
            <z units="&#8491;">2.62</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>3.02</level>
                <source>AUTHOR</source>
            </contour>
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        <annotation_details>Influenza hemagglutinin (A/California/4/2009, H1N1) bound to neutralizing antibody (Fab 5J8)</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5733::::</details>
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