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        <title>eN49P7-FRv1-23 Fab in complex with BG505 MD39 SOSIP and RM20A3 Fab</title>
        <authors_list>
            <author>Phulera S</author>
            <author>Ozorowski G</author>
            <author>Ward AB</author>
        </authors_list>
        <keywords>antibody engineering, HIV-1, bnAb, broadly neutralizing antibody, CD4 binding site, Env, VIRAL PROTEIN</keywords>
    </admin>
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        <citation_list>
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                <journal_citation published="true">
                    <author ORCID="0000-0002-9250-9925" order="1">Kedzior M</author>
                    <author order="2">Phulera S</author>
                    <author order="3">Fernandez-Quintero ML</author>
                    <author order="4">Loeffler JR</author>
                    <author order="5">Joyce C</author>
                    <author order="6">Woehl J</author>
                    <author order="7">Abbasi A</author>
                    <author order="8">Karimi M</author>
                    <author order="9">Aslanabadi A</author>
                    <author order="10">Hojabri M</author>
                    <author order="11">Zareidoodeji R</author>
                    <author order="12">Atkinson B</author>
                    <author order="13">Burgos EFP</author>
                    <author order="14">Heredia A</author>
                    <author order="15">Saye-Francisco K</author>
                    <author order="16">Tran Q</author>
                    <author order="17">Kim Y</author>
                    <author order="18">Acosta-Puente F</author>
                    <author order="19">Shahin L</author>
                    <author order="20">Zhou A</author>
                    <author ORCID="0000-0002-2909-0666" order="21">Altman PX</author>
                    <author order="22">Felbinger NR</author>
                    <author order="23">Pierce BG</author>
                    <author order="24">Sok D</author>
                    <author order="25">Seaman MS</author>
                    <author order="26">Burton DR</author>
                    <author order="27">DeVico AL</author>
                    <author ORCID="0000-0001-7153-3769" order="28">Ward AB</author>
                    <author order="29">Ozorowski G</author>
                    <author ORCID="0000-0001-7798-3605" order="30">Sajadi MM</author>
                    <author order="31">Jardine JG</author>
                    <title>Engineering HIV antibodies with enhanced breadth and potency of neutralization through multistate affinity maturation.</title>
                    <journal_abbreviation>Biorxiv</journal_abbreviation>
                    <country>US</country>
                    <year>2025</year>
                    <external_references type="PUBMED">41279620</external_references>
                    <external_references type="DOI">doi:10.1101/2025.10.22.684031</external_references>
                    <external_references type="ISSN">2692-8205</external_references>
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                <details>eN49P7-FRv1-23 Fab in complex with BG505 MD39 SOSIP and RM20A3 Fab</details>
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    <sample>
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                <name>eN49P7-FRv1-23 Fab in complex with BG505 MD39 SOSIP and RM20A3 Fab</name>
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                    <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="11676">Human immunodeficiency virus 1</organism>
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                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
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                    <string>AENLWVTVYYGVPVWKDAETTLFCASDAKAYETEKHNVWATHACVPTDPNPQEIHLENVTEEFNMWKNNMVEQMHEDIIS
LWDQSLKPCVKLTPLCVTLQCTNVTNNITDDMRGELKNCSFNMTTELRDKKQKVYSLFYRLDVVQINENQGNRSNNSNKE
YRLINCNTSAITQACPKVSFEPIPIHYCAPAGFAILKCKDKKFNGTGPCPSVSTVQCTHGIKPVVSTQLLLNGSLAEEEV
IIRSENITNNAKNILVQLNTPVQINCTRPNNNTVKSIRIGPGQAFYYTGDIIGDIRQAHCNVSKATWNETLGKVVKQLRK
HFGNNTIIRFAQSSGGDLEVTTHSFNCGGEFFYCNTSGLFNSTWISNTSVQGSNSTGSNDSITLPCRIKQIINMWQRIGQ
AMYAPPIQGVIRCVSNITGLILTRDGGSTNSTTETFRPGGGDMRDNWRSELYKYKVVKIEPLGVAPTRCKRRVVGRRRRR
R</string>
                    <external_references type="UNIPROTKB">Q2N0S5</external_references>
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                <natural_source database="NCBI">
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                <molecular_weight>
                    <theoretical units="MDa">0.017134324</theoretical>
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                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
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                <enantiomer>LEVO</enantiomer>
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                <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>EVQLVETGGGLVQPGGSLKLSCRASGYTFSSFAMSWVRQAPGKGLEWVSLINDRGGLTFYVDSVKGRFTISRDNSKNTLS
LQMHSLRDGDTAVYYCATGGMSSALQSSKYYFDFWGQGALVTVSS</string>
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                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
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                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ALTQPPSVSGSPGQSVTISCTGTSSDIGSYNYVSWYQQHPGKAPKLMIYDVTQRPSGVSDRFSGSKSGNTASLTISGLQA
DDEADYYCSAYAGRQTFYIFGGGTRLTVL</string>
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                    <organism ncbi="9606">Homo sapiens</organism>
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                <molecular_weight>
                    <theoretical units="MDa">0.015432192999999999</theoretical>
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                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
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                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>ADLVQSGAVTKKPGDSVRISCEAQGYRFTDYFIHWIRQAPGKGPEWMGWINPYYGQVNIPWKFQGRISMTRQRSQDPYDP
DWGTAFLDLRGLKSDDTAVYYCVRDRSSGYGKLFESDNWFLDLWGRGTAVTIQS</string>
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            <protein_or_peptide macromolecule_id="6">
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                    <organism ncbi="9606">Homo sapiens</organism>
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                <molecular_weight>
                    <theoretical units="MDa">0.010855144</theoretical>
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                <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>QSALTQPNYVSALPGQSVTISCTGTHNLVSWLQHQPGRAPKLLIYDFNKRPPGVPDRFSGSGSGGTASLTITGLQLDDEA
EYWCFAYEVFGGGTKLTVLMQ</string>
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            <ligand macromolecule_id="10">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000221208</theoretical>
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                <number_of_copies>36</number_of_copies>
                <formula>NAG</formula>
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