<emd emdb_id="EMD-1622" 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>2009-05-26</deposition>
            <header_release>2009-05-28</header_release>
            <map_release>2009-12-01</map_release>
            <update>2012-08-29</update>
        </key_dates>
        <title>Helical reconstruction of Respiratory Syncytial Virus N-RNA helices</title>
        <authors_list>
            <author>MacLellan K</author>
            <author>Yeo RP</author>
            <author>Bhella D</author>
        </authors_list>
        <keywords>paramyxovirus, virus, nucleocapsid, RNP, nucleoprotein</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Tawar RG</author>
                    <author order="2">Duquerroy S</author>
                    <author order="3">Vonrhein C</author>
                    <author order="4">Varela PF</author>
                    <author order="5">Damier-Piolle L</author>
                    <author order="6">Castagne N</author>
                    <author order="7">MacLellan K</author>
                    <author order="8">Bedouelle H</author>
                    <author order="9">Bricogne G</author>
                    <author order="10">Bhella D</author>
                    <author order="11">Eleouet J</author>
                    <author order="12">Rey FA</author>
                    <title>Crystal structure of a nucleocapsid-like nucleoprotein-RNA complex of respiratory syncytial virus.</title>
                    <journal>SCIENCE</journal>
                    <volume>326</volume>
                    <first_page>1279</first_page>
                    <last_page>1283</last_page>
                    <year>2009</year>
                    <external_references type="PUBMED">19965480</external_references>
                    <external_references type="DOI">doi:10.1126/science.1177634</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Respiratory Syncytial Virus Nucleoprotein-RNA</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Respiratory Syncytial Virus Nucleoprotein-RNA</name>
                <details>Nucleoprotein was expressed in insect cells</details>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="nucleoprotein">Nucleocapsid protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="12814">Respiratory syncytial virus</organism>
                    <synonym_organism>RSV</synonym_organism>
                    <cell>SF21</cell>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">43</theoretical>
                </molecular_weight>
                <oligomeric_state>helical</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <sequence />
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>filament</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <concentration units="mg/mL">0.1</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>Phosphate buffered saline</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>Cryo-negative staining 5 ul of protein suspension at an approximate concentration of 0.2 mg/ml was loaded onto a freshly glow-discharged Quantifoil holey carbon support film for approximately 10 seconds. The grid was then transferred to a droplet of 20% (w/v) ammonium molybdate solution (pH 7.4) for approximately 10 seconds, blotted for 2-3 seconds and plunged into a bath of liquid nitrogen cooled ethane slush</details>
                    </staining>
                    <grid>
                        <details>400 mesh quantifoil</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>OTHER</instrument>
                        <method>blot for 2 seconds, wait for 2 seconds plunge</method>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_microscopy microscopy_id="1">
                    <microscope>JEOL 1200EXII</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_cs units="mm">3.4</nominal_cs>
                    <nominal_magnification>30000.0</nominal_magnification>
                    <calibrated_magnification>29200.0</calibrated_magnification>
                    <specimen_holder_model>OTHER</specimen_holder_model>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>objective astigmatism corrected at 200k x</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>NIKON COOLSCAN</scanner>
                                <sampling_interval units="&#181;m">2.18</sampling_interval>
                            </digitization_details>
                            <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                            <bits_per_pixel>16.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>side entry</specimen_holder>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <final_reconstruction>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="&#8491;">7</delta_z>
                            <delta_phi units="deg">36.8</delta_phi>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">26.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER, HELICALS, HELICALI</name>
                        </software>
                    </software_list>
                </final_reconstruction>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="16901">
        <file>emd_1622.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>130</col>
            <row>130</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>130</x>
            <y>130</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="&#8491;">283.4</a>
            <b units="&#8491;">283.4</b>
            <c units="&#8491;">558.08</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>0.0</minimum>
            <maximum>551.369000000000028</maximum>
            <average>41.552199999999999</average>
            <std>99.010900000000007</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">2.18</x>
            <y units="&#8491;">2.18</y>
            <z units="&#8491;">2.18</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>140.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Helical reconstruction of Respiratory Syncytial Virus N-RNA nucleocapsid-like structure. (Related to PDB entry 2wj8)</annotation_details>
        <details>::::EMDATABANK.org::::EMD-1622::::</details>
    </map>
    <interpretation>
        <figure_list>
            <figure>
                <file>emd_1622.png</file>
            </figure>
        </figure_list>
    </interpretation>
</emd>