<?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_8_0/emdb.xsd" version="3.0.8.0" emdb_id="EMD-40041">
    <admin>
        <current_status>
            <date>2023-10-11</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2023-03-09</deposition>
            <header_release>2023-08-09</header_release>
            <map_release>2023-08-09</map_release>
            <update>2023-10-11</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Other private</funding_body>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R35 GM131835</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>The structure of h12-LOX in hexameric form bound to inhibitor ML355 and arachidonic acid</title>
        <authors_list>
            <author>Black KA</author>
            <author>Mobbs JI</author>
            <author>Venugopal H</author>
            <author>Thal DM</author>
            <author>Glukhova A</author>
        </authors_list>
        <keywords>Lipoxygenase, platelets, lipid-modifying enzyme, lipid oxidation, OXIDOREDUCTASE, OXIDOREDUCTASE-INHIBITOR complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-6979-1427" order="1">Mobbs JI</author>
                    <author ORCID="0000-0002-4094-6170" order="2">Black KA</author>
                    <author ORCID="0000-0002-7578-9347" order="3">Tran M</author>
                    <author ORCID="0000-0003-2047-2593" order="4">Burger WAC</author>
                    <author ORCID="0000-0001-5230-2973" order="5">Venugopal H</author>
                    <author ORCID="0000-0001-8072-2959" order="6">Holman TR</author>
                    <author ORCID="0000-0001-5100-1933" order="7">Holinstat M</author>
                    <author ORCID="0000-0002-0325-2524" order="8">Thal DM</author>
                    <author ORCID="0000-0003-4146-965X" order="9">Glukhova A</author>
                    <title>Cryo-EM structures of human arachidonate 12S-lipoxygenase bound to endogenous and exogenous inhibitors.</title>
                    <journal_abbreviation>Blood</journal_abbreviation>
                    <country>US</country>
                    <volume>142</volume>
                    <first_page>1233</first_page>
                    <last_page>1242</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">37506345</external_references>
                    <external_references type="DOI">doi:10.1182/blood.2023020441</external_references>
                    <external_references type="ISSN">1528-0020</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-40302</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Consensus refinement of 12-LOX hexamer</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-40304</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Local refinement of a single subunit of a 12-LOX hexamer</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8ghd</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Hexameric human 12-Lipoxygenase in complex with inhibitor ML355 and arachidonic acid</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Hexameric human 12-Lipoxygenase in complex with inhibitor ML355 and arachidonic acid</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.45</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Polyunsaturated fatty acid lipoxygenase ALOX12</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.07658270299999999</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHHHHHHGRYRIRVATGAWLFSGSYNRVQLWLVGTRGEAELELQLRPARGEEEEFDHDVAEDLGLLQFVRLRKHHWLVDD
AWFCDRITVQGPGACAEVAFPCYRWVQGEDILSLPEGTARLPGDNALDMFQKHREKELKDRQQIYCWATWKEGLPLTIAA
DRKDDLPPNMRFHEEKRLDFEWTLKAGALEMALKRVYTLLSSWNCLEDFDQIFWGQKSALAEKVRQCWQDDELFSYQFLN
GANPMLLRRSTSLPSRLVLPSGMEELQAQLEKELQNGSLFEADFILLDGIPANVIRGEKQYLAAPLVMLKMEPNGKLQPM
VIQIQPPSPSSPTPTLFLPSDPPLAWLLAKSWVRNSDFQLHEIQYHLLNTHLVAEVIAVATMRCLPGLHPIFKFLIPHIR
YTMEINTRARTQLISDGGIFDKAVSTGGGGHVQLLRRAAAQLTYCSLCPPDDLADRGLLGLPGALYAHDALRLWEIIARY
VEGIVHLFYQRDDIVKGDPELQAWCREITEVGLCQAQDRGFPVSFQSQSQLCHFLTMCVFTCTAQHAAINQGQLDWYAWV
PNAPCTMRMPPPTTKEDVTMATVMGSLPDVRQACLQMAISWHLSRRQPDMVPLGHHKEKYFSGPKPKAVLNQFRTDLEKL
EKEITARNEQLDWPYEYLKPSCIENSVTI</string>
                    <external_references type="UNIPROTKB">P18054</external_references>
                </sequence>
                <ec_number>1.13.11.-</ec_number>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name>FE (II) ION</name>
                <molecular_weight>
                    <theoretical units="MDa">5.5845e-05</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <formula>FE2</formula>
            </ligand>
            <ligand macromolecule_id="3">
                <name>N-(1,3-benzothiazol-2-yl)-4-{[(2-hydroxy-3-methoxyphenyl)methyl]amino}benzene-1-sulfonamide</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000441523</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <formula>ZR5</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>ARACHIDONIC ACID</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000304467</theoretical>
                </molecular_weight>
                <number_of_copies>6</number_of_copies>
                <formula>ACD</formula>
            </ligand>
        </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>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">1.5</nominal_defocus_max>
                    <calibrated_magnification>105000.0</calibrated_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">60.0</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>
                <particle_selection>
                    <number_selected>2736609</number_selected>
                </particle_selection>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">2.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <number_images_used>35839</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="131073">
        <file>emd_40041.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>320</col>
            <row>320</row>
            <sec>320</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>320</x>
            <y>320</y>
            <z>320</z>
        </spacing>
        <cell>
            <a units="Å">262.4</a>
            <b units="Å">262.4</b>
            <c units="Å">262.4</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>Z</fast>
            <medium>Y</medium>
            <slow>X</slow>
        </axis_order>
        <statistics>
            <minimum>-29.608329999999999</minimum>
            <maximum>70.993110000000001</maximum>
            <average>0.031712677</average>
            <std>2.2754438</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.82</x>
            <y units="Å">0.82</y>
            <z units="Å">0.82</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>11.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-40041::::</label>
        <annotation_details>This is a composite map for the entire 12-LOX hexamer. It was created by applying D3 symmetry to a locally refined map of a monomeric subunit.</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <chain>
                        <source_name>AlphaFold</source_name>
                        <initial_model_type>in silico model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
            </modelling>
            <modelling>
                <initial_model>
                    <chain>
                        <source_name>AlphaFold</source_name>
                        <initial_model_type>in silico model</initial_model_type>
                    </chain>
                </initial_model>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
