<emd emdb_id="EMD-2867" 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>2015-01-27</deposition>
            <header_release>2015-04-01</header_release>
            <map_release>2015-04-29</map_release>
            <update>2015-05-27</update>
        </key_dates>
        <title>Structure of the helical Measles virus nucleocapsid</title>
        <authors_list>
            <author>Gutsche I</author>
            <author>Desfosses A</author>
            <author>Effantin G</author>
            <author>Ling WL</author>
            <author>Haupt M</author>
            <author>Ruigrok RWH</author>
            <author>Sachse C</author>
            <author>Schoehn G</author>
        </authors_list>
        <keywords>Measles virus Nucleocapsid, Transcription and Replication template</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Gutsche I</author>
                    <author order="2">Desfosses A</author>
                    <author order="3">Effantin G</author>
                    <author order="4">Ling WL</author>
                    <author order="5">Haupt M</author>
                    <author order="6">Ruigrok RW</author>
                    <author order="7">Sachse C</author>
                    <author order="8">Schoehn G</author>
                    <title>Near-atomic cryo-EM structure of the helical measles virus nucleocapsid.</title>
                    <journal>SCIENCE</journal>
                    <volume>348</volume>
                    <first_page>704</first_page>
                    <last_page>707</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">25883315</external_references>
                    <external_references type="DOI">doi:10.1126/science.aaa5137</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>4uft</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Recombinant truncated Measles Virus Nucleocapsid (Ncore-RNA helix)</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Recombinant truncated Measles Virus Nucleocapsid (Ncore-RNA helix)</name>
                <oligomeric_state>Helical</oligomeric_state>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Nucleoprotein</name>
                <natural_source database="NCBI">
                    <organism ncbi="11234">Measles virus</organism>
                    <strain>Halle</strain>
                    <synonym_organism>Measles</synonym_organism>
                </natural_source>
                <details>Nucleoprotein was partially digested with trypsin</details>
                <oligomeric_state>Helical</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                    <recombinant_cell>Sf21</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>helicalArray</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                        <details>in 20 mM TriHCl pH 7.5, 150 mM NaCl</details>
                    </buffer>
                    <grid>
                        <details>glow-discharged quantifoil grids 400 mesh 1.2/1.3</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <method>sample was applied to glow-discharged quantifoil grids 400 mesh 1.2/1.3, excess solution was blotted during 2 s with a Vitrobot Mark IV (FEI) and the grid frozen in liquid ethane</method>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</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_defocus_min units="&#181;m">0.0008</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">0.0035</nominal_defocus_max>
                    <nominal_magnification>59000.0</nominal_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <details>Special care was taken to perform a coma-free alignment of the microscope</details>
                    <date>2013-07-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>ZEISS SCAI</scanner>
                                <sampling_interval units="&#181;m">7</sampling_interval>
                            </digitization_details>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>Final reconstruction obtained with SPRING</details>
                <ctf_correction>
                    <details>Each Particle</details>
                </ctf_correction>
                <final_reconstruction>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="&#8491;">4.015</delta_z>
                            <delta_phi units="deg">29.173</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">4.3</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>SPRING</name>
                        </software>
                    </software_list>
                    <number_images_used>228165</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="43068">
        <file>emd_2867.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>210</col>
            <row>210</row>
            <sec>250</sec>
        </dimensions>
        <origin>
            <col>-105</col>
            <row>-105</row>
            <sec>-125</sec>
        </origin>
        <spacing>
            <x>210</x>
            <y>210</y>
            <z>250</z>
        </spacing>
        <cell>
            <a units="&#8491;">249.06</a>
            <b units="&#8491;">249.06</b>
            <c units="&#8491;">296.5</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>-3.13157797</minimum>
            <maximum>5.22336817</maximum>
            <average>0.04398164</average>
            <std>0.70481217</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.186</x>
            <y units="&#8491;">1.186</y>
            <z units="&#8491;">1.186</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>1.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Reconstruction of trypsin digested Measles virus nucleocapsid</annotation_details>
        <details>::::EMDATABANK.org::::EMD-2867::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>2WJ8</access_code>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>Modeller, Chimera, Phenix, Coot</name>
                    </software>
                </software_list>
                <details>See paper supplementary information.</details>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>