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        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2016-11-15</deposition>
            <header_release>2017-01-25</header_release>
            <map_release>2017-05-31</map_release>
            <update>2025-09-03</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI070771</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI103692</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-Electron microscopy structure of species-D human adenovirus 26</title>
        <authors_list>
            <author>Reddy V</author>
            <author>Yu X</author>
        </authors_list>
        <keywords>human adenovirus 26, hexon, penton base, minor proteins, VIRUS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Yu X</author>
                    <author order="2">Veesler D</author>
                    <author order="3">Campbell MG</author>
                    <author order="4">Barry ME</author>
                    <author order="5">Asturias FJ</author>
                    <author order="6">Barry MA</author>
                    <author order="7">Reddy VS</author>
                    <title>Cryo-EM structure of human adenovirus D26 reveals the conservation of structural organization among human adenoviruses.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>3</volume>
                    <first_page>e1602670</first_page>
                    <last_page>e1602670</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28508067</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.1602670</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5tx1</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-8471</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Cryo-Electron microscopy structure of species-D human adenovirus 26</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Human adenovirus 26</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Human adenovirus 26</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <sci_species_name ncbi="46928">Human adenovirus 26</sci_species_name>
                <molecular_weight>
                    <theoretical units="MDa">150</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>Adenovirus</name>
                    <diameter units="Å">950.0</diameter>
                    <triangulation>25</triangulation>
                </virus_shell>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>SPECIES</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Hexon protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.10721870299999998</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATPSMMPQWAYMHIAGQDASEYLSPGLVQFARATDTYFSLGNKFRNPTVAPTHDVTTDRSQRLTLRFVPVDREATTYLY
KARFTLAVGDNRVLDMASTYFDIRGVLDRGPSFKPYSGTAYNSLAPKGAPNPSQWETKEKQGTTGGVQQEKDVTKTFGVA
ATGGINITNQGLLLGTDETAENGKKDIYADKTFQPEPQVGEENWQENEAFYGGRALKKDTKMKPCYGSFARPTNEKGGQA
KFKPVNEGEQPKDLDIDFAYFDVPGGSPPAGGSGEEYKADIILYTENVNLETPDTHVVYKPGTSDNSSEINLVQQSMPNR
PNYIGFRDNFVGLMYYNSTGNMGVLAGQASQLNAVVDLQDRNTELSYQLLLDSLGDRTRYFSMWNSAVDSYDPDVRIIEN
HGVEDELPNYCFPLNGTGTNSTYQGVKITNGNDGAEESEWEKDDAISRQNQICKGNVYAMEINLQANLWKSFLYSNVALY
LPDSYKYTPANVKLPANTNTYEYMNGRVVAPSLVDAYINIGARWSLDPMDNVNPFNHPRNAGLRYRSMLLGNGRYVPFHI
QVPQKFFAIKNLLLLPGSYTYEWNFRKDVNMILQSSLGNDLRVDGASVRFDSVNLYATFFPMAHNTASTLEAMLRNDTHD
QSFNDYLSAANMLYPIPAKATNVPISIPSRNWAAFRGWSFTRLKTKETPSLGSGFDPYFVYSGSIPYLDGTFYLNHTFKK
VSIMFDSSVSWPGNDRLLTPNEFEIKRSVDGEGYNVAQCNMTKDWFLVQMLSHYNIGYQGFHVPEGYKDRMYSFFRNFQP
MSRQVVDEINYKDYKAVTLPFQHNNSGFTGYLAPTMRQGQPYPANFPYPLIGQTAVPSVTQKKFLCDRVMWRIPFSSNFM
SMGALTDLGQNMLYANSAHALDMTFEVDPMDEPTLLYLLFEVFDVVRVHQPHRGVIEAVYLRTPFSAGNATT</string>
                    <external_references type="UNIPROTKB">Q3S8B3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Penton</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.056312038999999994</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>LEVPFVPPRYMAPTEGRNSIRYSELAPQYDTTRVYLVDNKSADIASLNYQNDHSNFLTTVVQNNDFTPAEASTQTINFDE
RSRWGGDLKTILHTNMPNVNEYMFTSKFKARVMVSRKHPEGVVETDLSQDKLEYEWFEFTLPEGNFSETMTIDLMNNAIL
ENYLQVGRQNGVLESDIGVKFDSRNFKLGWDPVTKLVMPGVYTYEAFHPDVVLLPGCGVDFTESRLSNLLGIRKKQPFQE
GFRIMYEDLEGGNIPALLDVPKYLESKKKVEDETKNAAAATADTTTRGDTFATPAQETAADKKVEVLPIEKDESGRSYNL
IQGTHDTLYRSWYLSYTYGDPEKGVQSWTLLTTPDVTCGAEQVYWSLPDLMQDPVTFRSTQQVSNYPVVGAELMPFRAKS
FYNDLAVYSQLIRSYTSLTHVFNRFPDNQILCRPPAPTITTVSENVPALTDHGTLPLRSSIRGVQRVTVTDARRRTCPYV
YKALGIVAPRVLSSRTF</string>
                    <external_references type="UNIPROTKB">A4ZKL2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Fiber</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0022765259999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>AKRLRVEDDFNPVYPYGYA</string>
                    <external_references type="UNIPROTKB">A4ZKM1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>PIIIa</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.043148438</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>QQAPDPAIRAALQSQPSGLASDDWEAAMQRIMALTTRNPESFRQQPQANRLSAILEAVVPSRTNPTHEKVLAIVNALAEN
KAIRPDEAGLVYNALLERVGRYNSTNVQSNLDRLVTDVREAVAQRERFKNEGLGSLVALNAFLATQPANVPRGQDDYTNF
ISALRLMVTEVPQSEVYQSGPDYFFQTSRQGLQTVNLSQAFKNLRGLWGVQAPVGDRSTVSSLLTPNSRLLLLLIAPFTD
SGSVNRNSYLGHLLTLYREAIGQAQVDEQTFQEITSVSRALGQNDTDSLRATLNFLLTNRQQKIPAQYALSAEEERILRY
VQQSVGLFLMQEGATPSAALDMTARNMEPSMYAANRPFINKLMDYLHRAAAMNTDYFTNAILNPHWLP</string>
                    <external_references type="UNIPROTKB">A4ZKL1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>PIX</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013800376999999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNGTGGAFEGGLFSPYLTTRLPGWAGVRQNVMGSTVDGRPVLPANSSTMTYATVGNSSLDSTAAAAAAAAAMTATRLASS
YMPSSGSSPSVPSSIIAEEKLLALLAELEALSRQLAALTQQVSELREQQQQQNK</string>
                    <external_references type="UNIPROTKB">A4ZKK7</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>PVIII</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024633643</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSKEIPTPYMWSYQPQMGLAAGASQDYSTRMNWLSAGPSMISRVNGVRSHRNQILLEQAAVTSTPRAKLNPRNWPSTLVY
QEIPGPTTVLLPRDALAEVRMTNSGVQLAGGASRCPLRPQSGIKTLVIRGRGTQLNDELVSSSIGLRPDGVFQLAGAGRS
SFTPNQAYLTLQSSSSEPRSGGIGTLQFVEEFVPSVYFNPFSGSPGLYPDEFIPNFDAVREAVDGYD</string>
                    <external_references type="UNIPROTKB">A4ZKM0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>PVI</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.003348683</theoretical>
                </molecular_weight>
                <number_of_copies>9</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DINFASLAPRHGTRPFMGTWNEIGTSQLNGG</string>
                    <external_references type="UNIPROTKB">A4ZKL5</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Unknown</name>
                <natural_source database="NCBI">
                    <organism ncbi="46928">Human adenovirus 26</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.000869063</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)</string>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">6.0</concentration>
                    <buffer>
                        <ph>8.1</ph>
                        <details>40 mM Tris, pH 8.1, 300 mM NaCl, 10 mM CaCl2</details>
                    </buffer>
                    <grid>
                        <model>C-flat</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">6</time>
                        </pretreatment>
                        <details>20mA</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <chamber_temperature units="K">298</chamber_temperature>
                        <instrument>GATAN CRYOPLUNGE 3</instrument>
                    </vitrification>
                    <details>Virus particles</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</illumination_mode>
                    <imaging_mode>OTHER</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_magnification>22500.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">70.0</temperature_min>
                        <temperature_max units="K">70.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <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/>
                            <number_grids_imaged>2</number_grids_imaged>
                            <number_real_images>2000</number_real_images>
                            <average_exposure_time units="s">7.6</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">1.4</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>20000</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND3</name>
                            <version>3</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING ONLY</type>
                </ctf_correction>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>4CWU</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>FREALIGN</name>
                            <version>9.11</version>
                        </software>
                    </software_list>
                    <number_images_used>19000</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>6</number_classes>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="6912001">
        <file>emd_8471.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>1200</col>
            <row>1200</row>
            <sec>1200</sec>
        </dimensions>
        <origin>
            <col>-600</col>
            <row>-600</row>
            <sec>-600</sec>
        </origin>
        <spacing>
            <x>1200</x>
            <y>1200</y>
            <z>1200</z>
        </spacing>
        <cell>
            <a units="Å">1571.9999</a>
            <b units="Å">1571.9999</b>
            <c units="Å">1571.9999</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>-0.06903934</minimum>
            <maximum>0.115228586</maximum>
            <average>-0.001875943</average>
            <std>0.005534527</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.31</x>
            <y units="Å">1.31</y>
            <z units="Å">1.31</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.02</level>
                <source>EMDB</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8471::::</label>
        <annotation_details>species-D human adenovirus 26</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
