<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_7/emdb.xsd" emdb_id="EMD-20063" version="3.0.1.7">
    <admin>
        <current_status>
            <date>2019-12-25</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-04-05</deposition>
            <header_release>2019-05-01</header_release>
            <map_release>2019-07-10</map_release>
            <update>2019-12-25</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, United States)</funding_body>
                <code>MCB1330760</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Fractal-like assemblies of designed AtzA and AtzC proteins</title>
        <authors_list>
            <author>Dai W</author>
            <author>Chen M</author>
            <author>Khare S</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Hernandez NE</author>
                    <author order="2">Hansen WA</author>
                    <author order="3">Zhu D</author>
                    <author order="4">Shea ME</author>
                    <author order="5">Khalid M</author>
                    <author order="6">Manichev V</author>
                    <author order="7">Putnins M</author>
                    <author order="8">Chen M</author>
                    <author order="9">Dodge AG</author>
                    <author order="10">Yang L</author>
                    <author order="11">Marrero-Berrios I</author>
                    <author order="12">Banal M</author>
                    <author order="13">Rechani P</author>
                    <author order="14">Gustafsson T</author>
                    <author order="15">Feldman LC</author>
                    <author order="16">Lee SH</author>
                    <author order="17">Wackett LP</author>
                    <author order="18">Dai W</author>
                    <author order="19">Khare SD</author>
                    <title>Stimulus-responsive self-assembly of protein-based fractals by computational design.</title>
                    <journal_abbreviation>Nat.Chem.</journal_abbreviation>
                    <country>UK</country>
                    <volume>11</volume>
                    <first_page>605</first_page>
                    <last_page>614</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31209296</external_references>
                    <external_references type="DOI">doi:10.1038/s41557-019-0277-y</external_references>
                    <external_references type="ISSN">1755-4349</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-20063</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Designed proteins AtzA-pY:AtzC-SH2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Designed proteins AtzA-pY:AtzC-SH2</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="306">Pseudomonas sp.</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>tomography</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <tomography_preparation preparation_id="1">
                    <buffer>
                        <ph>7</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>LEICA EM GP</instrument>
                        <details></details>
                    </vitrification>
                    <fiducial_markers_list>
                        <fiducial_marker>
                            <manufacturer>EMS</manufacturer>
                            <diameter units="nanometer">10</diameter>
                        </fiducial_marker>
                    </fiducial_markers_list>
                    <sectioning>
                        <other_sectioning>NO SECTIONING</other_sectioning>
                    </sectioning>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_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">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">4.0</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">4.0</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">6.0</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">6.0</calibrated_defocus_max>
                    <nominal_magnification>39000.0</nominal_magnification>
                    <calibrated_magnification>39000.0</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">93.0</temperature_min>
                        <temperature_max units="K">110.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <basic/>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 QUANTUM (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <average_exposure_time units="s">2.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">1.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </tomography_microscopy>
            </microscopy_list>
            <tomography_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <algorithm>BACK PROJECTION</algorithm>
                    <software_list>
                        <software>
                            <name>EMAN2</name>
                        </software>
                    </software_list>
                    <number_images_used>60</number_images_used>
                </final_reconstruction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="18801">
        <file>emd_20063.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>170</row>
            <sec>108</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>170</y>
            <z>108</z>
        </spacing>
        <cell>
            <a units="Å">7142.4</a>
            <b units="Å">4743.0</b>
            <c units="Å">3013.2</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>-3.9731262</minimum>
            <maximum>3.9711313</maximum>
            <average>-0.00027300356</average>
            <std>0.71553123</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">27.9</x>
            <y units="Å">27.9</y>
            <z units="Å">27.9</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-20063::::</label>
        <annotation_details>Subtomogram of a large AtzA-AtzC assembly.</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
