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    <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>2014-10-06</deposition>
            <header_release>2014-10-15</header_release>
            <map_release>2015-02-11</map_release>
            <update>2015-05-27</update>
        </key_dates>
        <title>Helical nanotube formed from a 29-residue peptide</title>
        <authors_list>
            <author>Egelman EH</author>
            <author>Xu C</author>
            <author>DiMaio F</author>
            <author>Magnotti E</author>
            <author>Modlin C</author>
            <author>Yu X</author>
            <author>Wright E</author>
            <author>Baker D</author>
            <author>Conticello VP</author>
        </authors_list>
        <keywords>IHRSR, polymorphism, coiled-coils</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Egelman EH</author>
                    <author order="2">Xu C</author>
                    <author order="3">DiMaio F</author>
                    <author order="4">Magnotti E</author>
                    <author order="5">Modlin C</author>
                    <author order="6">Yu X</author>
                    <author order="7">Wright E</author>
                    <author order="8">Baker D</author>
                    <author order="9">Conticello VP</author>
                    <title>Structural Plasticity of Helical Nanotubes Based on Coiled-Coil Assemblies.</title>
                    <journal>STRUCTURE</journal>
                    <volume>23</volume>
                    <first_page>280</first_page>
                    <last_page>289</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">25620001</external_references>
                    <external_references type="DOI">doi:10.1016/j.str.2014.12.008</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3j89</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>synthetic peptide</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>synthetic peptide</name>
                <oligomeric_state>polymer</oligomeric_state>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>synthetic peptide</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <details>QARILEADAEILRAYARILEAHAEILRAQ</details>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <sequence />
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>filament</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <instrument>FEI VITROBOT MARK IV</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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">1.4</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">4.4</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <date>2013-08-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">FEI FALCON II (4k x 4k)</film_or_detector_model>
                            <number_real_images>260</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <details>IHRSR</details>
                <final_reconstruction>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="&#8491;">2.2</delta_z>
                            <delta_phi units="deg">87.1</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
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                    </applied_symmetry>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">3.6</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>Spider</name>
                        </software>
                    </software_list>
                </final_reconstruction>
                <ctf_correction>
                    <details>micrographs multiplied by CTF</details>
                </ctf_correction>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
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        <details>::::EMDATABANK.org::::EMD-6123::::</details>
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