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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>2018-01-26</deposition>
            <header_release>2018-02-21</header_release>
            <map_release>2018-03-21</map_release>
            <update>2024-03-13</update>
        </key_dates>
        <title>Single-Particle reconstruction of DARP14 - A designed protein scaffold displaying ~17kDa DARPin proteins</title>
        <authors_list>
            <author>Gonen S</author>
            <author>Liu Y</author>
            <author>Yeates TO</author>
            <author>Gonen T</author>
        </authors_list>
        <keywords>Designed Complex, DARPin, Scaffold, Single-Particle Cryo-EM, DE NOVO PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liu Y</author>
                    <author order="2">Gonen S</author>
                    <author order="3">Gonen T</author>
                    <author order="4">Yeates TO</author>
                    <title>Near-atomic cryo-EM imaging of a small protein displayed on a designed scaffolding system.</title>
                    <journal_abbreviation>Proc. Natl. Acad. Sci. U.S.A.</journal_abbreviation>
                    <country>US</country>
                    <volume>115</volume>
                    <first_page>3362</first_page>
                    <last_page>3367</last_page>
                    <year>2018</year>
                    <external_references type="PUBMED">29507202</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1718825115</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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            <emdb_reference>
                <emdb_id>EMD-7403</emdb_id>
                <relationship>
                    <other>other EM volume</other>
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            <emdb_reference>
                <emdb_id>EMD-7436</emdb_id>
                <relationship>
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    <sample>
        <name>DARP14</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>DARP14</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>DARP14 - Subunit A with DARPin</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>DARP14 - Subunit B</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="208964">Pseudomonas aeruginosa PAO1</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>DARP14 - Subunit A with DARPin</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.03501896499999999</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRITTKVGDKGSTRLFGGEEVWKDSPIIEANGTLDELTSFIGEAKHYVDEEMKGILEEIQNDIYKIMGEIGSKGKIEGIS
EERIAWLLKLILRYMEMVNLKSFVLPGGTLESAKLDVCRTIARRALRKVLTVTREFGIGAEAAAYLLALSDLLFLLARVI
EIELGKKLLEAARAGQDDEVRILMANGADVNAHDDQGSTPLHLAAWIGHPEIVEVLLKHGADVNARDTDGWTPLHLAADN
GHLEIVEVLLKYGADVNAQDAYGLTPLHLAADRGHLEIVEVLLKHGADVNAQDKFGKTAFDISIDNGNEDLAEILQKLN</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>DARP14 - Subunit B</name>
                <natural_source database="NCBI">
                    <organism ncbi="208964">Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)</organism>
                    <strain>ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014346274</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPHLVIEATANLRLETSPGELLEQANKALFASGQFGEADIKSRFVTLEAYRQGTAAVERAYLHACLSILDGRDIATRTLL
GASLCAVLAEAVAGGGEEGVQVSVEVREMERLSYAKRVVARQRLEHHHHHH</string>
                    <external_references type="UNIPROTKB">Q9I2D8</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                    <buffer>
                        <ph>8.0</ph>
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                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
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            <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>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">30.0</average_electron_dose_per_image>
                        </image_recording>
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                        <point_group>T</point_group>
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                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>183753</number_images_used>
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                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
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            <b units="Å">241.04</b>
            <c units="Å">241.04</c>
            <alpha units="deg">90.0</alpha>
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        <annotation_details>Single-Particle reconstruction of DARP14 - A designed protein scaffold displaying ~17kDa DARPin proteins</annotation_details>
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