<emd emdb_id="EMD-6488" 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>2015-10-19</deposition>
            <header_release>2015-11-18</header_release>
            <map_release>2015-11-18</map_release>
            <update>2015-12-09</update>
        </key_dates>
        <title>Cryo-electron microscopy structure of RAG PC (C2 symmetry)</title>
        <authors_list>
            <author>Ru H</author>
            <author>Chambers MG</author>
            <author>Fu T</author>
            <author>Tong AB</author>
            <author>Liao M</author>
            <author>Wu H</author>
        </authors_list>
        <keywords>RAG1, RAG2, V(D)J recombination, Paired complex, Antigen receptor recombination, T and B cell development</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Ru H</author>
                    <author order="2">Chambers MG</author>
                    <author order="3">Fu TM</author>
                    <author order="4">Tong AB</author>
                    <author order="5">Liao M</author>
                    <author order="6">Wu H</author>
                    <title>Molecular Mechanism of V(D)J Recombination from Synaptic RAG1-RAG2 Complex Structures.</title>
                    <journal>CELL(CAMBRIDGE,MASS.)</journal>
                    <volume>163</volume>
                    <first_page>1138</first_page>
                    <last_page>1152</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">26548953</external_references>
                    <external_references type="DOI">doi:10.1016/j.cell.2015.10.055</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3jby</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Paired Complex of RAG1-RAG2</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Paired Complex of RAG1-RAG2</name>
                <details>The sample was monodisperse.</details>
                <oligomeric_state>Dimer of RAG1-RAG2 binds to nicked 12-RSS and 23-RSS intermediates with HMGB1</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <experimental units="MDa">0.4</experimental>
                    <theoretical units="MDa">0.4</theoretical>
                    <method>Size exclusion chromatography</method>
                </molecular_weight>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="RAG1 and RAG2">Recombination Activating Gene 1 and 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="7955">Danio rerio</organism>
                    <strain>AB</strain>
                    <synonym_organism>Zebrafish</synonym_organism>
                    <cell>B and T lymphocytes</cell>
                    <organelle>Nucleus</organelle>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.4</experimental>
                    <theoretical units="MDa">0.4</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <oligomeric_state>Dimer of RAG1-RAG2</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                    <recombinant_cell>Sf9</recombinant_cell>
                    <recombinant_plasmid>pFastBac1</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">O13033</external_references>
                    <external_references type="GO">GO:0003677</external_references>
                    <external_references type="GO">GO:0004519</external_references>
                    <external_references type="GO">GO:0004842</external_references>
                    <external_references type="GO">GO:0005515</external_references>
                    <external_references type="GO">GO:0008270</external_references>
                    <external_references type="GO">GO:0003677</external_references>
                    <external_references type="GO">GO:0003682</external_references>
                    <external_references type="GO">GO:0005515</external_references>
                    <external_references type="GO">GO:0005546</external_references>
                    <external_references type="GO">GO:0005547</external_references>
                    <external_references type="INTERPRO">IPR024627</external_references>
                    <external_references type="INTERPRO">IPR023336</external_references>
                    <external_references type="INTERPRO">IPR018957</external_references>
                    <external_references type="INTERPRO">IPR001841</external_references>
                    <external_references type="INTERPRO">IPR013083</external_references>
                    <external_references type="INTERPRO">IPR017907</external_references>
                    <external_references type="INTERPRO">IPR011043</external_references>
                    <external_references type="INTERPRO">IPR015915</external_references>
                    <external_references type="INTERPRO">IPR004321</external_references>
                    <external_references type="INTERPRO">IPR025162</external_references>
                    <external_references type="INTERPRO">IPR011011</external_references>
                </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">0.4</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <details>150 mM NaCl, 20 mM HEPES, 10 mM CaCl2, 1 mM TCEP</details>
                    </buffer>
                    <grid>
                        <details>400 mesh Quantifoil holey carbon grid, glow discharged</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">85</chamber_humidity>
                        <chamber_temperature units="K">120</chamber_temperature>
                        <instrument>GATAN CRYOPLUNGE 3</instrument>
                        <method>Blot for 2.5 seconds before plunging.</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_cs units="mm">2.0</nominal_cs>
                    <nominal_defocus_min units="&#181;m">1.5</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">2.5</nominal_defocus_max>
                    <nominal_magnification>31000.0</nominal_magnification>
                    <calibrated_magnification>40607.0</calibrated_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</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>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>Objective lens astigmatism was corrected at 150,000 times magnification</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <date>2015-03-10</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN K2 (4k x 4k)</film_or_detector_model>
                            <number_real_images>550</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">41</average_electron_dose_per_image>
                            <details>Every image is the average of 30 frames recorded by the direct electron detector.</details>
                            <bits_per_pixel>8.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>Image processing was carried out using SAMUEL and Relion.</details>
                <ctf_correction>
                    <details>Each particle</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">3.7</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER, Relion</name>
                        </software>
                    </software_list>
                    <number_images_used>42486</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="27649">
        <file>emd_6488.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>192</col>
            <row>192</row>
            <sec>192</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>192</x>
            <y>192</y>
            <z>192</z>
        </spacing>
        <cell>
            <a units="&#8491;">236.16</a>
            <b units="&#8491;">236.16</b>
            <c units="&#8491;">236.16</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>Z</fast>
            <medium>Y</medium>
            <slow>X</slow>
        </axis_order>
        <statistics>
            <minimum>-0.0855163</minimum>
            <maximum>0.16841216</maximum>
            <average>-0.00008954</average>
            <std>0.00818593</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.23</x>
            <y units="&#8491;">1.23</y>
            <z units="&#8491;">1.23</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.04</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Reconstruction of RAG PC with C2 symmetry</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6488::::</details>
    </map>
    <interpretation>
        <figure_list>
            <figure>
                <file>emd_6488.png</file>
            </figure>
        </figure_list>
        <segmentation_list>
            <segmentation>
                <file>emd_6488_msk_1.map</file>
                <mask_details format="CCP4" size_kbytes="27649">
                    <file>emd_6488_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>192</col>
                        <row>192</row>
                        <sec>192</sec>
                    </dimensions>
                    <origin>
                        <col>0</col>
                        <row>0</row>
                        <sec>0</sec>
                    </origin>
                    <spacing>
                        <x>192</x>
                        <y>192</y>
                        <z>192</z>
                    </spacing>
                    <cell>
                        <a units="&#8491;">236.16</a>
                        <b units="&#8491;">236.16</b>
                        <c units="&#8491;">236.16</c>
                        <alpha units="deg">90.0</alpha>
                        <beta units="deg">90.0</beta>
                        <gamma units="deg">90.0</gamma>
                    </cell>
                    <axis_order>
                        <fast>Z</fast>
                        <medium>Y</medium>
                        <slow>X</slow>
                    </axis_order>
                    <statistics>
                        <minimum>0.0</minimum>
                        <maximum>1.0</maximum>
                        <average>0.03571241</average>
                        <std>0.17501742</std>
                    </statistics>
                    <pixel_spacing>
                        <x units="&#8491;">1.23</x>
                        <y units="&#8491;">1.23</y>
                        <z units="&#8491;">1.23</z>
                    </pixel_spacing>
                    <annotation_details>This mask represents the whole molecule.</annotation_details>
                    <details>::::EMDATABANK.org::::</details>
                </mask_details>
            </segmentation>
        </segmentation_list>
    </interpretation>
    <validation>
        <fsc_curve>
            <file>emd_6488_fsc.xml</file>
        </fsc_curve>
    </validation>
</emd>
