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        <sites>
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        <key_dates>
            <deposition>2020-04-10</deposition>
            <header_release>2021-01-13</header_release>
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            <update>2025-04-09</update>
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        <grant_support>
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                <funding_body>European Research Council (ERC)</funding_body>
                <code>Chap4Resp</code>
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                <funding_body>European Molecular Biology Organization (EMBO)</funding_body>
                <code>ALTF441-2017</code>
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            <grant_reference>
                <funding_body>Marie Sklodowska-Curie Actions, FragNET ITN</funding_body>
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        <title>Inducible lysine decarboxylase LdcI stacks, pH 5.7</title>
        <authors_list>
            <author>Felix J</author>
            <author>Jessop M</author>
        </authors_list>
        <keywords>Acid stress-inducible, decarboxylase, LAOdc, LYASE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-8880-4481" order="1">Jessop M</author>
                    <author ORCID="0000-0002-5292-4905" order="2">Liesche C</author>
                    <author ORCID="0000-0002-8436-9467" order="3">Felix J</author>
                    <author order="4">Desfosses A</author>
                    <author order="5">Baulard M</author>
                    <author ORCID="0000-0003-2209-7846" order="6">Adam V</author>
                    <author order="7">Fraudeau A</author>
                    <author order="8">Huard K</author>
                    <author ORCID="0000-0002-6957-0875" order="9">Effantin G</author>
                    <author ORCID="0000-0001-5648-5295" order="10">Kleman JP</author>
                    <author order="11">Bacia-Verloop M</author>
                    <author ORCID="0000-0002-1862-7712" order="12">Bourgeois D</author>
                    <author ORCID="0000-0002-1908-3921" order="13">Gutsche I</author>
                    <title>Supramolecular assembly of the Escherichia coli LdcI upon acid stress.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>118</volume>
                    <year>2021</year>
                    <external_references type="PUBMED">33372137</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2014383118</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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        <pdb_list>
            <pdb_reference>
                <pdb_id>6yn6</pdb_id>
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                    <in_frame>FULLOVERLAP</in_frame>
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    <sample>
        <name>E. coli inducible lysine decarboxylase at pH 5.7</name>
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            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>E. coli inducible lysine decarboxylase at pH 5.7</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli K-12</organism>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Inducible lysine decarboxylase</name>
                <natural_source database="NCBI">
                    <organism ncbi="83333">Escherichia coli (strain K12)</organism>
                    <strain>K12</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.08111057</theoretical>
                </molecular_weight>
                <number_of_copies>20</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511145">Escherichia coli str. K-12 substr. MG1655</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNVIAILNHMGVYFKEEPIRELHRALERLNFQIVYPNDRDDLLKLIENNARLCGVIFDWDKYNLELCEEISKMNENLPLY
AFANTYSTLDVSLNDLRLQISFFEYALGAAEDIANKIKQTTDEYINTILPPLTKALFKYVREGKYTFCTPGHMGGTAFQK
SPVGSLFYDFFGPNTMKSDISISVSELGSLLDHSGPHKEAEQYIARVFNADRSYMVTNGTSTANKIVGMYSAPAGSTILI
DRNCHKSLTHLMMMSDVTPIYFRPTRNAYGILGGIPQSEFQHATIAKRVKETPNATWPVHAVITNSTYDGLLYNTDFIKK
TLDVKSIHFDSAWVPYTNFSPIYEGKCGMSGGRVEGKVIYETQSTH(LLP)LLAAFSQASMIHVKGDVNEETFNEAYMMH
TTTSPHYGIVASTETAAAMMKGNAGKRLINGSIERAIKFRKEIKRLRTESDGWFFDVWQPDHIDTTECWPLRSDSTWHGF
KNIDNEHMYLDPIKVTLLTPGMEKDGTMSDFGIPASIVAKYLDEHGIVVEKTGPYNLLFLFSIGIDKTKALSLLRALTDF
KRAFDLNLRVKNMLPSLYREDPEFYENMRIQELAQNIHKLIVHHNLPDLMYRAFEVLPTMVMTPYAAFQKELHGMTEEVY
LDEMVGRINANMILPYPPGVPLVMPGEMITEESRPVLEFLQMLCEIGAHYPGFETDIHGAYRQADGRYTVKVLKE</string>
                    <external_references type="UNIPROTKB">P0A9H3</external_references>
                </sequence>
                <ec_number>4.1.1.18</ec_number>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <aggregation_state>filament</aggregation_state>
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                        <material>COPPER</material>
                        <mesh>300</mesh>
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                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
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                            <type>GLOW DISCHARGE</type>
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                        <chamber_humidity units="percentage">100</chamber_humidity>
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                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_magnification>130000.0</nominal_magnification>
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                            <name>GIF Bioquantum</name>
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                            <average_exposure_time units="s">6.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">29.3</average_electron_dose_per_image>
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            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
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                    <number_selected>15165</number_selected>
                </particle_selection>
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                    <details>Initial model generated by manually stacking three LdcI decamers (PDB ID: 3N75) in Chimera and low-pass filtering the resulting LdcI-stack to 40 A.</details>
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                        <point_group>D5</point_group>
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                    <resolution units="Å" res_type="BY AUTHOR">3.28</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                            <name>cryoSPARC</name>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
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