<?xml version="1.0" encoding="UTF-8"?>
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    <admin>
        <current_status>
            <date>2024-03-20</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-02-12</deposition>
            <header_release>2019-05-22</header_release>
            <map_release>2019-05-22</map_release>
            <update>2024-03-20</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Cancer Institute (NIH/NCI)</funding_body>
                <code>R21    AG061697    01</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>human m-AAA protease AFG3L2, substrate-bound</title>
        <authors_list>
            <author>Lander GC</author>
            <author>Puchades C</author>
        </authors_list>
        <keywords>AAA+, ATPase, protease, mitochondria, protein quality control, neurodegeneration, inner membrane, AFG3L2, m/AAA protease, translocase</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Puchades C</author>
                    <author order="2">Ding B</author>
                    <author order="3">Song A</author>
                    <author order="4">Wiseman RL</author>
                    <author order="5">Lander GC</author>
                    <author order="6">Glynn SE</author>
                    <title>Unique Structural Features of the Mitochondrial AAA+ Protease AFG3L2 Reveal the Molecular Basis for Activity in Health and Disease.</title>
                    <journal_abbreviation>Mol.Cell</journal_abbreviation>
                    <country>US</country>
                    <volume>75</volume>
                    <first_page>1073</first_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31327635</external_references>
                    <external_references type="DOI">doi:10.1016/j.molcel.2019.06.016</external_references>
                    <external_references type="ISSN">1097-2765</external_references>
                    <external_references type="CSD">2168</external_references>
                    <external_references type="ASTM">MOCEFL</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6nyy</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>AFG3L2</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>AFG3L2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Soluble domains of the AFG3L2, comprising the AAA+ ATPase and protease domains.</details>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">.360</theoretical>
                </molecular_weight>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>AFG3-like protein 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.058331628999999996</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SNARRGPAGIGRTGRGMGGLFSVGETTAKVLKDEIDVKFKDVAGCEEAKLEIMEFVNFLKNPKQYQDLGAKIPKGAILTG
PPGTGKTLLAKATAGEANVPFITVSGSEFLEMFVGVGPARVRDLFALARKNAPCILFIDQIDAVGRKRGRGNFGGQSEQE
NTLNQLLVEMDGFNTTTNVVILAGTNRPDILDPALLRPGRFDRQIFIGPPDIKGRASIFKVHLRPLKLDSTLEKDKLARK
LASLTPGFSGADVANVCNEAALIAARHLSDSINQKHFEQAIERVIGGLEKKTQVLQPEEKKTVAYHQAGHAVAGWYLEHA
DPLLKVSIIPRGKGLGYAQYLPKEQYLYTKEQLLDRMCMTLGGRVSEEIFFGRITTGAQDDLRKVTQSAYAQIVQFGMNE
KVGQISFDLPRQGDMVLEKPYSEATARLIDDEVRILINDAYKRTVALLTEKKADVEKVALLLLEKEVLDKNDMVELLGPR
PFAEKSTYEEFVEGTGSLDEDTSLPEGLKDWNKEREKEKEEPPGEKVAN</string>
                    <external_references type="UNIPROTKB">Q9Y4W6</external_references>
                </sequence>
                <ec_number>3.4.24.-</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Substrate</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.000799871</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AAAAAAAAAAA</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000506196</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>ANP</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="6">
                <name>ADENOSINE-5'-DIPHOSPHATE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000427201</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>ADP</formula>
            </ligand>
        </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">2</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <name>HEPES</name>
                        </component>
                        <component>
                            <concentration units="mM">100.0</concentration>
                            <formula>KCl</formula>
                            <name>Potassium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>MgCl</formula>
                            <name>Magnesium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>ATP</formula>
                            <name>Adenosine TriPhosphate</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>DTT</formula>
                            <name>Dithiothreitol</name>
                        </component>
                        <details>DTT and ATP were added fresh before sample preparation</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil, UltrAuFoil, R1.2/1.3</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">6</time>
                            <atmosphere>OTHER</atmosphere>
                        </pretreatment>
                        <details>Grids were plasma cleaned using a Solarus plasma cleaner (Gatan, Inc.).</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">278</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                        <details>Sample was blotted for 3 seconds using Whatman No. 1 filter paper immediately prio to plunge-freezing.. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI ARCTICA</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">8.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">18.0</nominal_defocus_max>
                    <nominal_magnification>36000.0</nominal_magnification>
                    <calibrated_magnification>43478.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">100.0</temperature_min>
                        <temperature_max units="K">100.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free>
                            <residual_tilt units="mrad">0.07</residual_tilt>
                        </coma_free>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3710</width>
                                    <height units="pixel">3838</height>
                                </dimensions>
                                <frames_per_image>1-30</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>5</number_grids_imaged>
                            <number_real_images>5707</number_real_images>
                            <average_exposure_time units="s">7.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">40.0</average_electron_dose_per_image>
                            <details>Data collected with Leginon</details>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>4541491</number_selected>
                    <details>Picked with FindEM</details>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-7023</emdb_id>
                    <details>YME1 EMDB-7023 map, low pass filtered to 30A</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                    <details>Multi-body refinement was used to generate 3 different reconstructions that were stitched together</details>
                    <number_images_used>1129437</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                    <details>Multi-body reconstruction</details>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8389">
        <file>emd_0552.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>128</col>
            <row>128</row>
            <sec>128</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="Å">147.2</a>
            <b units="Å">147.2</b>
            <c units="Å">147.2</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>-0.028558984</minimum>
            <maximum>0.46374786</maximum>
            <average>0.009907013</average>
            <std>0.023940364</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.15</x>
            <y units="Å">1.15</y>
            <z units="Å">1.15</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.07</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::D_1000238836::::</label>
        <annotation_details>Composite map containing the stitched maps of the ATPase domains from subunits B-E, the ATPase domains from subunits A &amp; F, and the protease domains</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>6AZ0</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <details>The sequence was threaded onto the PDB ID 6AZ0 and built into the EM density with Coot.</details>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>85.0</overall_bvalue>
            </modelling>
        </modelling_list>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_0552_additional_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">147.2</a>
                    <b units="Å">147.2</b>
                    <c units="Å">147.2</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>-0.03160992</minimum>
                    <maximum>0.08507775</maximum>
                    <average>-0.00028328615</average>
                    <std>0.0050864015</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.15</x>
                    <y units="Å">1.15</y>
                    <z units="Å">1.15</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::D_1000238836::::</label>
                <annotation_details>ATPase domains from subunits B-E half map 1</annotation_details>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_0552_additional_4.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">147.2</a>
                    <b units="Å">147.2</b>
                    <c units="Å">147.2</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>-0.042758726</minimum>
                    <maximum>0.066160984</maximum>
                    <average>0.00017608552</average>
                    <std>0.007353162</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.15</x>
                    <y units="Å">1.15</y>
                    <z units="Å">1.15</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::D_1000238836::::</label>
                <annotation_details>ATPase domains from subunits A &amp; F half map 2</annotation_details>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_0552_additional_3.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
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                    <col>0</col>
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                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">147.2</a>
                    <b units="Å">147.2</b>
                    <c units="Å">147.2</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>-0.043331455</minimum>
                    <maximum>0.07083401</maximum>
                    <average>0.00030837787</average>
                    <std>0.007135252</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.15</x>
                    <y units="Å">1.15</y>
                    <z units="Å">1.15</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::D_1000238836::::</label>
                <annotation_details>ATPase domains from subunits A &amp; F half map 2</annotation_details>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_0552_additional_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
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                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">147.2</a>
                    <b units="Å">147.2</b>
                    <c units="Å">147.2</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>-0.03348142</minimum>
                    <maximum>0.08661199</maximum>
                    <average>-0.0002791577</average>
                    <std>0.005087135</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.15</x>
                    <y units="Å">1.15</y>
                    <z units="Å">1.15</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::D_1000238836::::</label>
                <annotation_details>ATPase domains from subunits B-E half map 2</annotation_details>
            </additional_map>
        </additional_map_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="8389">
                <file>emd_0552_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
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                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
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