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    <admin>
        <current_status>
            <date>2024-10-30</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
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        <key_dates>
            <deposition>2021-12-07</deposition>
            <header_release>2022-01-12</header_release>
            <map_release>2022-01-12</map_release>
            <update>2024-10-30</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>75N93019C00051</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>CryoEM map of anchor 222-1C06 Fab and lateral patch 2B05 Fab binding H1 HA</title>
        <authors_list>
            <author ORCID="0000-0002-3402-2609">Han J</author>
            <author ORCID="0000-0001-7854-1833">Ward AB</author>
            <author ORCID="0000-0001-7153-3769">Ward AB</author>
        </authors_list>
        <keywords>anchor, antibodies, influenza A virus, hemagglutinin, IMMUNE SYSTEM, Viral Protein-IMMUNE SYSTEM complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Guthmiller JJ</author>
                    <author order="2">Han J</author>
                    <author order="3">Utset HA</author>
                    <author order="4">Li L</author>
                    <author order="5">Lan LY</author>
                    <author order="6">Henry C</author>
                    <author order="7">Stamper CT</author>
                    <author order="8">McMahon M</author>
                    <author order="9">O'Dell G</author>
                    <author order="10">Fernandez-Quintero ML</author>
                    <author order="11">Freyn AW</author>
                    <author order="12">Amanat F</author>
                    <author order="13">Stovicek O</author>
                    <author order="14">Gentles L</author>
                    <author order="15">Richey ST</author>
                    <author order="16">de la Pena AT</author>
                    <author order="17">Rosado V</author>
                    <author order="18">Dugan HL</author>
                    <author order="19">Zheng NY</author>
                    <author order="20">Tepora ME</author>
                    <author order="21">Bitar DJ</author>
                    <author order="22">Changrob S</author>
                    <author order="23">Strohmeier S</author>
                    <author order="24">Huang M</author>
                    <author order="25">Garcia-Sastre A</author>
                    <author order="26">Liedl KR</author>
                    <author order="27">Bloom JD</author>
                    <author order="28">Nachbagauer R</author>
                    <author order="29">Palese P</author>
                    <author order="30">Krammer F</author>
                    <author order="31">Coughlan L</author>
                    <author order="32">Ward AB</author>
                    <author order="33">Wilson PC</author>
                    <title>Broadly neutralizing antibodies target a haemagglutinin anchor epitope.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>602</volume>
                    <first_page>314</first_page>
                    <last_page>320</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">34942633</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-021-04356-8</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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    <sample>
        <name>CryoEM map of anchor 222-1C06 Fab and lateral patch 2B05 Fab binding H1 HA</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>CryoEM map of anchor 222-1C06 Fab and lateral patch 2B05 Fab binding H1 HA</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>Monoclonal antibodies 222-1C06 and 2B05</name>
                <parent>1</parent>
                <macromolecule_list>
                    <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_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>Hemagglutinin</name>
                <parent>1</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="641501">Influenza A virus (A/California/04/2009(H1N1))</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Hemagglutinin HA1 chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="641501">Influenza A virus (A/California/04/2009(H1N1))</organism>
                    <strain>swl A/California/04/2009 H1N1</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.036729402</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ADPGDTLCIGYHANNSTDTVDTVLEKNVTVTHSVNLLEDKHNGKLCKLRGVAPLHLGKCNIAGWILGNPECESLSTASSW
SYIVETPSSDNGTCYPGDFIDYEELREQLSSVSSFERFEIFPKTSSWPNHDSNKGVTAACPHAGAKSFYKNLIWLVKKGN
SYPKLSKSYINDKGKEVLVLWGIHHPSTSADQQSLYQNADTYVFVGSSRYSKKFKPEIAIRPKVRDQEGRMNYYWTLVEP
GDKITFEATGNLVVPRYAFAMERNAGSGIIISDTPVHDCNTTCQTPKGAINTSLPFQNIHPITIGKCPKYVKSTKLRLAT
GLRNIPSIQSR</string>
                    <external_references type="UNIPROTKB">C3W5S1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Hemagglutinin HA2 chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="641501">Influenza A virus (A/California/04/2009(H1N1))</organism>
                    <strain>swl A/California/04/2009 H1N1</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.019977125</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GLFGAIAGFIEGGWTGMVDGWYGYHHQNEQGSGYAADLKSTQNAIDKITNKVNSVIEKMNTQFTAVGKEFNHLEKRIENL
NKKVDDGFLDIWTYNAELLVLLENERTLDYHDSNVKNLYEKVRSQLKNNAKEIGNGCFEFYHKCDNTCMESVKNGTYDYP
KYSEEAKLNREEID</string>
                    <external_references type="UNIPROTKB">C3W5S1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>2B05 mAb light chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011769120000000001</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DIQMTQSPSSLSAFVGDRVTIACQASQDIRIHLNWYQQKPGKAPKLLIYDASNLEAGVPSRFSGSGSGTDFTFTISSLQP
EDIATYYCQHYHNLPRTFGGGTKVEIK</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>2B05 mAb heavy chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012805237999999998</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>VQLLESGGGLVQPGGSLSLSCAASGFTFSSFAMSWVRQAPVKGLEWVSMISAGGGNTYYADSVKGRFTISRDNSKSTLYL
QMSSLTAEDTAVYYCAKSDSSGFQYGRREFWGQGTLVTVS</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>222-1C06 mAb heavy chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013528005999999999</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>EVQLVESGGDLVQPGGSLRLSCVVSGFTFSTYSMNWVRQAPGKGLEWVSYISSSSLSRYYADSVKGRFTISRDNAKNSLS
LQLNSLRAEDTAVYYCVRGSITWPTEYYLDYWGQGTLVTVSS</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>222-1C06 mAb light chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011657012</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>EIVMTQSPATLSVSPGERATLSCRASQTIRSDLAWYQQKPGQPPRLIIYGASTRATGIPARFSGSGSGTEFTLTISSLQS
EDSAVYFCQQYNNWPPLTFGGGTKVEIK</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="8">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000221208</theoretical>
                </molecular_weight>
                <number_of_copies>15</number_of_copies>
                <formula>NAG</formula>
            </ligand>
        </macromolecule_list>
    </sample>
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        <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">0.5</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>Tris-buffered saline</details>
                    </buffer>
                    <grid>
                        <model>UltrAuFoil R1.2/1.3</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">295</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS 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">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">1.8</nominal_defocus_max>
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                        <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">49.9</average_electron_dose_per_image>
                        </image_recording>
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                        <pdb_id>7MEM</pdb_id>
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                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
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                    <average>0.0005819507</average>
                    <std>0.053793453</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.15</x>
                    <y units="Å">1.15</y>
                    <z units="Å">1.15</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-25655::::</label>
                <annotation_details>CryoEM half map of anchor 222-1C06 Fab and lateral patch 2B05 Fab binding H1 HA</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
