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                <country>United States</country>
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        </grant_support>
        <title>Structure of UT14 Fab in complex with the head domain of H3 (A/Singapore/INFIMH-16-0019/2016)</title>
        <authors_list>
            <author>Park J</author>
            <author>Georgiou G</author>
        </authors_list>
        <keywords>Complex, viral protein, immune system, Influenza, Hemagglutinin</keywords>
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        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Park J</author>
                    <author order="2">Bartzoka F</author>
                    <author order="3">von Beck T</author>
                    <author order="4">Li ZN</author>
                    <author order="5">Mishina M</author>
                    <author order="6">Hebert LS</author>
                    <author order="7">Kain J</author>
                    <author order="8">Liu F</author>
                    <author order="9">Sharma S</author>
                    <author order="10">Cao W</author>
                    <author order="11">Eddins DJ</author>
                    <author order="12">Kumar A</author>
                    <author order="13">Kim JE</author>
                    <author order="14">Lee JS</author>
                    <author order="15">Wang Y</author>
                    <author order="16">Schwartz EA</author>
                    <author order="17">Brilot AF</author>
                    <author order="18">Satterwhite E</author>
                    <author order="19">Towers DM</author>
                    <author order="20">McKnight E</author>
                    <author order="21">Pohl J</author>
                    <author order="22">Thompson MG</author>
                    <author order="23">Gaglani M</author>
                    <author order="24">Dawood FS</author>
                    <author order="25">Naleway AL</author>
                    <author order="26">Stevens J</author>
                    <author order="27">Kennedy RB</author>
                    <author order="28">Jacob J</author>
                    <author order="29">Lavinder JJ</author>
                    <author order="30">Levine MZ</author>
                    <author order="31">Gangappa S</author>
                    <author order="32">Ippolito GC</author>
                    <author order="33">Sambhara S</author>
                    <author order="34">Georgiou G</author>
                    <title>Molecular features of the serological IgG repertoire elicited by egg-based, cell-based, or recombinant haemagglutinin-based seasonal influenza vaccines: a comparative, prospective, observational cohort study.</title>
                    <journal_abbreviation>Lancet Microbe</journal_abbreviation>
                    <volume>6</volume>
                    <first_page>100935</first_page>
                    <last_page>100935</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">39667375</external_references>
                    <external_references type="DOI">doi:10.1016/j.lanmic.2024.06.002</external_references>
                    <external_references type="ISSN">2666-5247</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8uzc</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
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    <sample>
        <name>Structure of UT14 Fab in complex with the head domain of H3 (A/Singapore/INFIMH-16-0019/2016)</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Structure of UT14 Fab in complex with the head domain of H3 (A/Singapore/INFIMH-16-0019/2016)</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_list>
                <molecular_weight>
                    <theoretical units="MDa">0.113</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>UT14 Fab heavy chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.02428108</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>QVQLVESGGGVVQPGRSLRLSCATSGFTFSSYGIHWVRQAPGKGLGWVAMISFDGSKTYYADSVRGRFTISRDNSKNTLS
LQMNSLRTEDTAVYYCAKERDRDGYNEGIYDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPV
TVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCD</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>UT14 Fab light chain</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.023687346</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>EIVMTQSPATLSLSPGERATLSCRASQSAGFYLAWYQQKPGQAPRLLIYDTSNRATGIPARFSGRGSGTDFTLTINSLEP
EDFAVYYCQQRYNWPITFGQGTRLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQ
ESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Hemagglutinin</name>
                <natural_source database="NCBI">
                    <organism ncbi="119210">Influenza A virus</organism>
                    <strain>H3N2 (A/Singapore/INFIMH-16-0019/2016)</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.065679719</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKTIIALSYILCLVFAQKIPGNDNSTATLCLGHHAVPNGTIVKTITNDRIEVTNATELVQNSSIGEICDSPHQILDGENC
TLIDALLGDPQCDGFQNKKWDLFVERSKAYSNCYPYDVPDYASLRSLVASSGTLEFKNESFNWTGVTQNGTSSACIRGSS
SSFFSRLNWLTHLNYTYPALNVTMPNKEQFDKLYIWGVHHPGTDKDQIFLYAQSSGRITVSTKRSQQAVIPNIGSRPRIR
DIPSRISIYWTIVKPGDILLINSTGNLIAPRGYFKIRSGKSSIMRSDAPIGKCKSECITPNGSIPNDKPFQNVNRITYGA
CPRYVKHSTLKLATGMRNVPEKQTRGIFGAIAGFIENGWEGMVDGWYGFRHQNSEGRGQAADLKSTQAAIDQINGKLNRL
IGKTNEKFHQIEKEFSEVEGRVQDLEKYVEDTKIDLWSYNAELLVALENQHTIDLTDSEMNKLFEKTKKQLRENAEDMGN
GCFKIYHKCDNACIESIRNETYDHNVYRDEALNNRFQIKGVELKSGYKDGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGS
GLNDIFEAQKIEWHEGSHHHHHH</string>
                    <external_references type="UNIPROTKB">A0A2R4U351</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <method>singleParticle</method>
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                    <concentration units="mg/mL">1</concentration>
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                            <formula>NaCl</formula>
                            <name>Sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>Tris</formula>
                            <name>tris(hydroxymethyl)aminomethane</name>
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                        <component>
                            <concentration units="%">0.02</concentration>
                            <formula>NaN3</formula>
                            <name>Sodium azide</name>
                        </component>
                        <details>2 mM Tris pH 8.0, 200 mM NaCl, 0.02% NaN3</details>
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                        <model>Au-flat 1.2/1.3</model>
                        <material>GOLD</material>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">240</time>
                        </pretreatment>
                        <details>A total of 3ul of the specimen was applied to Au-flat 1.2/1.3-hole pattern 300 mesh grids (Electron Microscopy Sciences, PA; Cat. AUFT313-50) that had been plasma cleaned in a PELCO easiGlow plasma cleaner (Ted Pella Inc., CA) for 4 min and were plunge-frozen into liquid ethane using Thermo Fisher/FEI Vitrobot Mark IV at 4 celsius under 100% humidity. Excess liquid was blotted for 4-6 sec.</details>
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                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
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                </single_particle_preparation>
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                    <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">0.9</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Bioquantum</name>
                            <slit_width units="eV">10</slit_width>
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                        <details>The grids were imaged using a FEI Titan Krios G3 300kV cryo-TEM (Thermo Fisher Scientific, MA) equipped with a K3 direct electron detection camera (Gatan, CA) with a slit width 10eV Gatan BioContinuum Imaging Filter.</details>
                    </specialist_optics>
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                    <resolution units="Å" res_type="BY AUTHOR">3.8</resolution>
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                    <number_images_used>122281</number_images_used>
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