<?xml version="1.0" encoding="UTF-8"?>
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    <admin>
        <current_status>
            <date>2024-04-03</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-06-13</deposition>
            <header_release>2017-07-19</header_release>
            <map_release>2018-02-21</map_release>
            <update>2024-04-03</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, United States)</funding_body>
                <code>MCB 1616265</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>MicroED structure of the segment, DLIIKGISVHI, from the RRM2 of TDP-43, residues 247-257</title>
        <authors_list>
            <author>Guenther EL</author>
            <author>Sawaya MR</author>
        </authors_list>
        <keywords>Amyloid, steric zipper, PROTEIN FIBRIL</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Guenther EL</author>
                    <author order="2">Ge P</author>
                    <author order="3">Trinh H</author>
                    <author order="4">Sawaya MR</author>
                    <author order="5">Cascio D</author>
                    <author order="6">Boyer DR</author>
                    <author order="7">Gonen T</author>
                    <author order="8">Zhou ZH</author>
                    <author order="9">Eisenberg DS</author>
                    <title>Atomic-level evidence for packing and positional amyloid polymorphism by segment from TDP-43 RRM2.</title>
                    <journal_abbreviation>Nat. Struct. Mol. Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>25</volume>
                    <first_page>311</first_page>
                    <last_page>319</last_page>
                    <year>2018</year>
                    <external_references type="PUBMED">29531287</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-018-0045-5</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5w52</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>DLIIKGISVHI fibril</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>DLIIKGISVHI fibril</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>This peptide was synthesized and crystallized.</details>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="kDa/nm">5.03</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>TAR DNA-binding protein 43</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001209479</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DLIIKGISVHI</string>
                    <external_references type="UNIPROTKB">Q13148</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>electronCrystallography</method>
            <aggregation_state>threeDArray</aggregation_state>
            <specimen_preparation_list>
                <crystallography_preparation preparation_id="1">
                    <buffer>
                        <ph>8.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </crystallography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <crystallography_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI 20</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>DIFFRACTION</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>TVIPS TEMCAM-F416 (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">3.4</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                    <camera_length units="mm">1840</camera_length>
                </crystallography_microscopy>
            </microscopy_list>
            <crystallography_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <resolution_method>DIFFRACTION PATTERN/LAYERLINES</resolution_method>
                </final_reconstruction>
                <molecular_replacement>
                    <software_list>
                        <software>
                            <name>Phaser</name>
                        </software>
                    </software_list>
                </molecular_replacement>
                <merging_software_list>
                    <software>
                        <name>XSCALE</name>
                    </software>
                </merging_software_list>
                <crystallography_statistics>
                    <number_intensities_measured>9353</number_intensities_measured>
                    <number_structure_factors>1037</number_structure_factors>
                    <fourier_space_coverage>73.400000000000006</fourier_space_coverage>
                    <r_sym>20.300000000000001</r_sym>
                    <r_merge>20.300000000000001</r_merge>
                    <overall_phase_error>0.001</overall_phase_error>
                    <overall_phase_residual>0.001</overall_phase_residual>
                    <phase_error_rejection_criteria>1</phase_error_rejection_criteria>
                    <high_resolution units="Å">1.4</high_resolution>
                    <shell_list>
                        <shell shell_id="1">
                            <high_resolution units="Å">1.4</high_resolution>
                            <low_resolution units="Å">1.48</low_resolution>
                            <number_structure_factors>139</number_structure_factors>
                            <phase_residual>0.001</phase_residual>
                            <fourier_space_coverage>62.100000000000001</fourier_space_coverage>
                            <multiplicity>6.71</multiplicity>
                        </shell>
                    </shell_list>
                </crystallography_statistics>
            </crystallography_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="1681">
        <file>emd_8765.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>101</col>
            <row>80</row>
            <sec>52</sec>
        </dimensions>
        <origin>
            <col>-84</col>
            <row>-59</row>
            <sec>-19</sec>
        </origin>
        <spacing>
            <x>52</x>
            <y>101</y>
            <z>80</z>
        </spacing>
        <cell>
            <a units="Å">23.036</a>
            <b units="Å">34.138</b>
            <c units="Å">33.36</c>
            <alpha units="deg">80.875</alpha>
            <beta units="deg">86.373</beta>
            <gamma units="deg">89.775</gamma>
        </cell>
        <axis_order>
            <fast>Z</fast>
            <medium>X</medium>
            <slow>Y</slow>
        </axis_order>
        <statistics>
            <minimum>-0.22446074</minimum>
            <maximum>0.7162638</maximum>
            <average>0.0020431273</average>
            <std>0.11619716</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.443</x>
            <y units="Å">0.338</y>
            <z units="Å">0.417</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.14</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8765::::</label>
        <annotation_details>Peptide DLIIKGISVHI from the RRM2 of TDP-43, residues 247-257</annotation_details>
    </map>
</emd>
