<emd emdb_id="EMD-5856" 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>2014-01-06</deposition>
            <header_release>2014-02-12</header_release>
            <map_release>2014-03-19</map_release>
            <update>2014-05-07</update>
        </key_dates>
        <title>Negative stain reconstruction of HIV envelope glycoprotein BG505 SOSIP.664 in complex with CAP256-VRC26.09 Fab</title>
        <authors_list>
            <author>Ward AB</author>
            <author>Kim HJ</author>
        </authors_list>
        <keywords>HIV, envelope glycoprotein trimer, CAP256, VRC.26, V1/V2 directed antibody</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Doria-Rose NA</author>
                    <author order="2">Schramm CA</author>
                    <author order="3">Gorman J</author>
                    <author order="4">Moore PL</author>
                    <author order="5">Bhiman JN</author>
                    <author order="6">Dekosky BJ</author>
                    <author order="7">Ernandes MJ</author>
                    <author order="8">Georgiev IS</author>
                    <author order="9">Kim HJ</author>
                    <author order="10">Pancera M</author>
                    <author order="11">Staupe RP</author>
                    <author order="12">Altae-Tran HR</author>
                    <author order="13">Bailer RT</author>
                    <author order="14">Crooks ET</author>
                    <author order="15">Cupo A</author>
                    <author order="16">Druz A</author>
                    <author order="17">Garrett NJ</author>
                    <author order="18">Hoi KH</author>
                    <author order="19">Kong R</author>
                    <author order="20">Louder MK</author>
                    <author order="21">Longo NS</author>
                    <author order="22">McKee K</author>
                    <author order="23">Nonyane M</author>
                    <author order="24">O'Dell S</author>
                    <author order="25">Roark RS</author>
                    <author order="26">Rudicell RS</author>
                    <author order="27">Schmidt SD</author>
                    <author order="28">Sheward DJ</author>
                    <author order="29">Soto C</author>
                    <author order="30">Wibmer CK</author>
                    <author order="31">Yang Y</author>
                    <author order="32">Zhang Z</author>
                    <author order="33">Comparative Sequencing NISC</author>
                    <author order="34">Mullikin JC</author>
                    <author order="35">Binley JM</author>
                    <author order="36">Sanders RW</author>
                    <author order="37">Wilson IA</author>
                    <author order="38">Moore JP</author>
                    <author order="39">Ward AB</author>
                    <author order="40">Georgiou G</author>
                    <author order="41">Williamson C</author>
                    <author order="42">Abdool Karim SS</author>
                    <author order="43">Morris L</author>
                    <author order="44">Kwong PD</author>
                    <author order="45">Shapiro L</author>
                    <author order="46">Mascola JR</author>
                    <title>Developmental pathway for potent V1V2-directed HIV-neutralizing antibodies.</title>
                    <journal>NATURE</journal>
                    <volume>509</volume>
                    <first_page>55</first_page>
                    <last_page>62</last_page>
                    <year>2014</year>
                    <external_references type="PUBMED">24590074</external_references>
                    <external_references type="DOI">doi:10.1038/nature13036</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>HIV-1 BG505 SOSIP.664 in complex with CAP256-VRC26.09 Fab</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>HIV-1 BG505 SOSIP.664 in complex with CAP256-VRC26.09 Fab</name>
                <details>Sample was monodisperse</details>
                <oligomeric_state>One HIV trimer binds one Fab</oligomeric_state>
                <number_unique_components>2</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">0.41</theoretical>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>envelope glycoprotein BG505 SOSIP.664</name>
                <natural_source database="NCBI">
                    <organism ncbi="11676">Human immunodeficiency virus 1</organism>
                    <synonym_organism>HIV-1</synonym_organism>
                    <cellular_location>Membrane</cellular_location>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.36</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="9606">Homo sapiens</recombinant_organism>
                    <recombinant_cell>HEK 293S</recombinant_cell>
                    <recombinant_plasmid>pPI4</recombinant_plasmid>
                </recombinant_expression>
                <sequence />
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>CAP256-VRC26.09 Fab</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>Human</synonym_organism>
                    <cell>B cells</cell>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>heterodimer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                    <recombinant_cell>HEK 293F</recombinant_cell>
                    <recombinant_plasmid>IgG1, kappa, lambda</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">0.08</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>50 mM Tris, 150 mM NaCl</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>Grids were adsorbed with protein, blotted, and stained with 2% uranyl formate for 20 seconds.</details>
                    </staining>
                    <grid>
                        <details>400 Cu mesh grid with thin carbon support, glow discharged in natural atmosphere</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">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">1.0</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_min units="K">292</temperature_min>
                        <temperature_max units="K">294</temperature_max>
                        <temperature_average units="K">293</temperature_average>
                    </temperature>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>Objective lens astigmatism was corrected at 100,000 times magnification</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>FEI</name>
                        </energy_filter>
                    </specialist_optics>
                    <date>2013-10-18</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>174</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">25</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                    <tilt_angle_min>0</tilt_angle_min>
                    <tilt_angle_max>50</tilt_angle_max>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>The particles were picked using the automated DoG Picker and put into a stack using the Appion software package. Initial reference free 2D class averages were calculated using particles binned by 2 via Xmipp Clustering 2D Alignment and sorted into classes. A template stack of 44 class averages was used to generate an ab initio model, which was refined using EMAN.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">28.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>EMAN, EMAN2, Xmipp, IMAGIC</name>
                        </software>
                    </software_list>
                    <details>Map was calculated from a single dataset.</details>
                    <number_images_used>6763</number_images_used>
                </final_reconstruction>
                <final_two_d_classification>
                    <number_classes>64</number_classes>
                </final_two_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="16001">
        <file>emd_5856.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>160</col>
            <row>160</row>
            <sec>160</sec>
        </dimensions>
        <origin>
            <col>-39</col>
            <row>-39</row>
            <sec>-39</sec>
        </origin>
        <spacing>
            <x>160</x>
            <y>160</y>
            <z>160</z>
        </spacing>
        <cell>
            <a units="&#8491;">328.0</a>
            <b units="&#8491;">328.0</b>
            <c units="&#8491;">328.0</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>-2.4231379</minimum>
            <maximum>13.975288389999999</maximum>
            <average>0.0</average>
            <std>0.8505826</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">2.05</x>
            <y units="&#8491;">2.05</y>
            <z units="&#8491;">2.05</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>2.33</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Negative stain reconstruction of HIV-1 BG505 SOSIP.664 in complex with CAP256-VRC26.09 Fab</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5856::::</details>
    </map>
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