<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-16004">
    <admin>
        <current_status>
            <date>2024-09-11</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2022-10-21</deposition>
            <header_release>2024-02-28</header_release>
            <map_release>2024-02-28</map_release>
            <update>2024-09-11</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Max Planck Society</funding_body>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>SCHU3364/1-1</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>101040472 EVOCATION</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Structure of hexameric subcomplexes (Truncation Delta2-6) of the fractal citrate synthase from Synechococcus elongatus PCC7942</title>
        <authors_list>
            <author>Lo YK</author>
            <author>Bohn S</author>
            <author>Sendker FL</author>
            <author>Schuller JM</author>
            <author>Hochberg G</author>
        </authors_list>
        <keywords>Fractal complex, TRANSFERASE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-6311-0539" order="1">Sendker FL</author>
                    <author ORCID="0000-0002-9172-3196" order="2">Lo YK</author>
                    <author order="3">Heimerl T</author>
                    <author ORCID="0000-0001-9196-622X" order="4">Bohn S</author>
                    <author ORCID="0000-0001-7300-4019" order="5">Persson LJ</author>
                    <author order="6">Mais CN</author>
                    <author order="7">Sadowska W</author>
                    <author ORCID="0000-0003-3859-8186" order="8">Paczia N</author>
                    <author order="9">Nussbaum E</author>
                    <author order="10">Del Carmen Sanchez Olmos M</author>
                    <author ORCID="0000-0003-3199-8101" order="11">Forchhammer K</author>
                    <author ORCID="0000-0001-7423-6540" order="12">Schindler D</author>
                    <author ORCID="0000-0003-3685-0894" order="13">Erb TJ</author>
                    <author ORCID="0000-0002-1507-3742" order="14">Benesch JLP</author>
                    <author ORCID="0000-0002-9804-5009" order="15">Marklund EG</author>
                    <author ORCID="0000-0002-7826-0932" order="16">Bange G</author>
                    <author ORCID="0000-0002-9121-1764" order="17">Schuller JM</author>
                    <author ORCID="0000-0002-7155-0451" order="18">Hochberg GKA</author>
                    <title>Emergence of fractal geometries in the evolution of a metabolic enzyme.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>628</volume>
                    <first_page>894</first_page>
                    <last_page>900</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">38600380</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-024-07287-2</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>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8bei</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Truncated (Delta 2-6) variant of the citrate synthase from Synechococcus elongatus PCC7942</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Truncated (Delta 2-6) variant of the citrate synthase from Synechococcus elongatus PCC7942</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1140">Synechococcus elongatus PCC 7942 = FACHB-805</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Citrate synthase</name>
                <natural_source database="NCBI">
                    <organism ncbi="1140">Synechococcus elongatus PCC 7942 = FACHB-805</organism>
                    <strain>PCC 7942 / FACHB-805</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.043879866999999996</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFRPGLEGVPATLSSISFVDGQRGVLEYRGISIEQLAQQSSFLETAYLLIWGHLPTQQELTEFEHEIRYHRRIKFRIRDM
MKCFPDSGHPMDALQASAAALGLFYSRRALDDPEYIRAAVVRLLAKIPTMVAAFQLIRKGNDPIQPRDELDYAANFLYML
TEREPDPVAARIFDICLTLHAEHTINASTFSAMVTASTLTDPYAVVASAVGTLAGPLHGGANEEVLDMLEAIGSVENVEP
YLDHCIATKTRIMGFGHRVYKVKDPRAVILQNLAEQLFDIFGHDPYYEIAVAVEKAAAERLSHKGIYPNVDFYSGLVYRK
LGIPSDLFTPVFAIARVAGWLAHWKEQLNENRIFRPTQIYTGSHNLDYTPIADRDLAIESDLEHHHHHH</string>
                    <external_references type="UNIPROTKB">Q31QM5</external_references>
                </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">
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
                    <nominal_magnification>29000.0</nominal_magnification>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">55.0</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>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C3</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.06</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>774026</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="67109">
        <file>emd_16004.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">279.04</a>
            <b units="Å">279.04</b>
            <c units="Å">279.04</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>-0.16013925</minimum>
            <maximum>0.2589481</maximum>
            <average>0.00000893993</average>
            <std>0.0060111005</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.09</x>
            <y units="Å">1.09</y>
            <z units="Å">1.09</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.015</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-16004::::</label>
    </map>
    <interpretation>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="67109">
                <file>emd_16004_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>256</col>
                    <row>256</row>
                    <sec>256</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>256</x>
                    <y>256</y>
                    <z>256</z>
                </spacing>
                <cell>
                    <a units="Å">279.04</a>
                    <b units="Å">279.04</b>
                    <c units="Å">279.04</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>-0.028986137</minimum>
                    <maximum>0.044622567</maximum>
                    <average>0.000008980372</average>
                    <std>0.0014525045</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.09</x>
                    <y units="Å">1.09</y>
                    <z units="Å">1.09</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-16004::::</label>
            </half_map>
            <half_map format="CCP4" size_kbytes="67109">
                <file>emd_16004_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>256</col>
                    <row>256</row>
                    <sec>256</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>256</x>
                    <y>256</y>
                    <z>256</z>
                </spacing>
                <cell>
                    <a units="Å">279.04</a>
                    <b units="Å">279.04</b>
                    <c units="Å">279.04</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>-0.027255628</minimum>
                    <maximum>0.04438976</maximum>
                    <average>0.0000088994875</average>
                    <std>0.0014534412</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.09</x>
                    <y units="Å">1.09</y>
                    <z units="Å">1.09</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-16004::::</label>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
