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        <sites>
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        <key_dates>
            <deposition>2017-03-20</deposition>
            <header_release>2017-05-10</header_release>
            <map_release>2017-08-16</map_release>
            <update>2025-06-04</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01GM052586</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of ERAD-associated E3 ubiquitin-protein ligase component HRD3</title>
        <authors_list>
            <author>Mi W</author>
            <author>Schoebel S</author>
        </authors_list>
        <keywords>Hrd3 ERAD, PROTEIN TRANSPORT</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Schoebel S</author>
                    <author order="2">Mi W</author>
                    <author order="3">Stein A</author>
                    <author order="4">Ovchinnikov S</author>
                    <author order="5">Pavlovicz R</author>
                    <author order="6">DiMaio F</author>
                    <author order="7">Baker D</author>
                    <author order="8">Chambers MG</author>
                    <author order="9">Su H</author>
                    <author order="10">Li D</author>
                    <author order="11">Rapoport TA</author>
                    <author order="12">Liao M</author>
                    <title>Cryo-EM structure of the protein-conducting ERAD channel Hrd1 in complex with Hrd3.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>548</volume>
                    <first_page>352</first_page>
                    <last_page>355</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28682307</external_references>
                    <external_references type="DOI">doi:10.1038/nature23314</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-8637</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>CryoEM structure of the ERAD-associated E3 ubiquitin-protein ligase HRD1</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-8638</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Cryo-EM map of the ERAD components Hrd1/Hrd3 dimer</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-8639</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>CryoEM map of Hrd1 dimer with one Hrd3 molecule</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5v7v</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Hrd1/Hrd3 complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Hrd1/Hrd3 complex</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="559292">Saccharomyces cerevisiae S288c</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>ERAD-associated E3 ubiquitin-protein ligase component HRD3</name>
                <natural_source database="NCBI">
                    <organism ncbi="559292">Saccharomyces cerevisiae (strain ATCC 204508 / S288c)</organism>
                    <strain>ATCC 204508 / S288c</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.093759156</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="4932">Saccharomyces cerevisiae</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MITLLLYLCVICNAIVLIRADSIADPWPEARHLLNTIAKSRDPMKEAAMEPNADEFVGFYVPMDYSPRNEEKNYQSIWQN
EITDSQRHIYELLVQSSEQFNNSEATYTLSQIHLWSQYNFPHNMTLAHKYLEKFNDLTHFTNHSAIFDLAVMYATGGCAS
GNDQTVIPQDSAKALLYYQRAAQLGNLKAKQVLAYKYYSGFNVPRNFHKSLVLYRDIAEQLRKSYSRDEWDIVFPYWESY
NVRISDFESGLLGKGLNSVPSSTVRKRTTRPDIGSPFIAQVNGVQMTLQIEPMGRFAFNGNDGNINGDEDDEDASERRII
RIYYAALNDYKGTYSQSRNCERAKNLLELTYKEFQPHVDNLDPLQVFYYVRCLQLLGHMYFTGEGSSKPNIHMAEEILTT
SLEISRRAQGPIGRACIDLGLINQYITNNISQAISYYMKAMKTQANNGIVEFQLSKLATSFPEEKIGDPFNLMETAYLNG
FIPAIYEFAVMIESGMNSKSSVENTAYLFKTFVDKNEAIMAPKLRTAFAALINDRSEVALWAYSQLAEQGYETAQVSAAY
LMYQLPYEFEDPPRTTDQRKTLAISYYTRAFKQGNIDAGVVAGDIYFQMQNYSKAMALYQGAALKYSIQAIWNLGYMHEH
GLGVNRDFHLAKRYYDQVSEHDHRFYLASKLSVLKLHLKSWLTWITREKVNYWKPSSPLNPNEDTQHSKTSWYKQLTKIL
QRMRHKEDSDKAAEDSHKHRTVVQNGANHRGDDQEEASEILGFQMEDGGGENLYFQSGGGMDEKTTGWRGGHVVEGLAGE
LEQLRARLEHHPQGQREP</string>
                    <external_references type="UNIPROTKB">Q05787</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000221208</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>NAG</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">0.8</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</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>
                    <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>SUPER-RESOLUTION</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">82.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
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                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
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                <startup_model type_of_model="OTHER">
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                </startup_model>
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                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.9</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
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                    <number_images_used>204578</number_images_used>
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                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
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                </initial_angle_assignment>
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                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <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>
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            <row>-192</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>192</x>
            <y>192</y>
            <z>192</z>
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        <cell>
            <a units="Å">259.2</a>
            <b units="Å">259.2</b>
            <c units="Å">259.2</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
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            <y units="Å">1.35</y>
            <z units="Å">1.35</z>
        </pixel_spacing>
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                <level>0.074</level>
                <source>AUTHOR</source>
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        <label>::::EMDATABANK.org::::EMD-8642::::</label>
        <annotation_details>CryoEM map of Hrd3 filtering to 3.9A and applied with -180 b-factor</annotation_details>
    </map>
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                <dimensions>
                    <col>192</col>
                    <row>192</row>
                    <sec>192</sec>
                </dimensions>
                <origin>
                    <col>-192</col>
                    <row>-192</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>192</x>
                    <y>192</y>
                    <z>192</z>
                </spacing>
                <cell>
                    <a units="Å">259.2</a>
                    <b units="Å">259.2</b>
                    <c units="Å">259.2</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>
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                    <minimum>-0.04934124</minimum>
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                <pixel_spacing>
                    <x units="Å">1.35</x>
                    <y units="Å">1.35</y>
                    <z units="Å">1.35</z>
                </pixel_spacing>
                <contour_list>
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                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-8642::::</label>
                <annotation_details>CryoEM map of Hrd3 without filtering or amplitude modification</annotation_details>
            </additional_map>
        </additional_map_list>
    </interpretation>
</emd>
