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    <admin>
        <current_status>
            <date>2024-03-13</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-10-18</deposition>
            <header_release>2018-08-01</header_release>
            <map_release>2019-03-13</map_release>
            <update>2024-03-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>DFG FA 456/15-1</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>DFG SCHM 3276/1</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of human AA amyloid fibril</title>
        <authors_list>
            <author>Rennegarbe M</author>
            <author>Liberta F</author>
            <author>Fandrich M</author>
            <author>Schmidt M</author>
        </authors_list>
        <keywords>AA-amyloidosis, Serum Amyloid A, cross-beta, helical, protein fibril</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liberta F</author>
                    <author ORCID="0000-0002-1731-516X" order="2">Loerch S</author>
                    <author ORCID="0000-0001-8287-6898" order="3">Rennegarbe M</author>
                    <author order="4">Schierhorn A</author>
                    <author ORCID="0000-0002-2756-4995" order="5">Westermark P</author>
                    <author order="6">Westermark GT</author>
                    <author ORCID="0000-0003-1827-0482" order="7">Hazenberg BPC</author>
                    <author ORCID="0000-0002-1506-909X" order="8">Grigorieff N</author>
                    <author order="9">Fandrich M</author>
                    <author order="10">Schmidt M</author>
                    <title>Cryo-EM fibril structures from systemic AA amyloidosis reveal the species complementarity of pathological amyloids.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>10</volume>
                    <first_page>1104</first_page>
                    <last_page>1104</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">30846696</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-019-09033-z</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6mst</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>human AA amyloid fibril</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>human AA amyloid fibril</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <organ>kidney</organ>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Serum amyloid A-1 protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007481154</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SFFSFLGEAFDGARDMWRAYSDMREANYIGSDKYFHARGNYDAAKRGPGGVWAAEAISDARENIQR</string>
                    <external_references type="UNIPROTKB">P0DJI8</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>helicalArray</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <concentration units="mg/mL">0.2</concentration>
                    <buffer>
                        <ph>7.0</ph>
                        <component>
                            <formula>ddH2O</formula>
                        </component>
                    </buffer>
                    <grid>
                        <model>C-flat-1.2/1.3 4C</model>
                        <material>COPPER</material>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">40</time>
                            <atmosphere>OTHER</atmosphere>
                            <pressure units="kPa">0.025</pressure>
                        </pretreatment>
                        <details>15 mA</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">-0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">-2.5</nominal_defocus_max>
                    <nominal_magnification>130000.0</nominal_magnification>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <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/>
                            <average_exposure_time units="s">12.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">40.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
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                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">2.4</delta_z>
                            <delta_phi units="deg">0.79</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">2.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.1</version>
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                    </software_list>
                    <number_images_used>91872</number_images_used>
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                <segment_selection>
                    <number_selected>93025</number_selected>
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                        <software>
                            <name>RELION</name>
                            <version>2.1</version>
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                <startup_model type_of_model="NONE"/>
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                    <type>NOT APPLICABLE</type>
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                            <name>RELION</name>
                            <version>2.1</version>
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        </structure_determination>
    </structure_determination_list>
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        <symmetry>
            <space_group>1</space_group>
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            <row>270</row>
            <sec>270</sec>
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        <spacing>
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            <a units="Å">280.8</a>
            <b units="Å">280.8</b>
            <c units="Å">280.8</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
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            <maximum>0.5025357</maximum>
            <average>0.00038090933</average>
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        <pixel_spacing>
            <x units="Å">1.04</x>
            <y units="Å">1.04</y>
            <z units="Å">1.04</z>
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        <contour_list>
            <contour primary="true">
                <level>0.05</level>
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        <label>::::EMDATABANK.org::::EMD-9232::::</label>
        <annotation_details>Cryo-EM reconstruction of human Serum Amyloid A fibrils, extracted from diseased human kidney. The fibril shows a helical rise of 2.40 A, a helical twist of 180.79 degree and a resolution of 2.7 A.</annotation_details>
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    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
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        <segmentation_list>
            <segmentation>
                <file>emd_9232_msk_1.map</file>
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                <label>::::EMDATABANK.org::::EMD-9232::::</label>
                <annotation_details>One of the two independently refined half maps.</annotation_details>
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                    <a units="Å">280.8</a>
                    <b units="Å">280.8</b>
                    <c units="Å">280.8</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
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                <axis_order>
                    <fast>X</fast>
                    <medium>Y</medium>
                    <slow>Z</slow>
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                <statistics>
                    <minimum>-0.019018821</minimum>
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                    <std>0.005337766</std>
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                <pixel_spacing>
                    <x units="Å">1.04</x>
                    <y units="Å">1.04</y>
                    <z units="Å">1.04</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-9232::::</label>
                <annotation_details>One of the two independently refined half maps.</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
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