<?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-13546">
    <admin>
        <current_status>
            <date>2024-11-06</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-09-06</deposition>
            <header_release>2022-09-14</header_release>
            <map_release>2022-09-14</map_release>
            <update>2024-11-06</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>109784</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Sulfolobus acidocaldarius 0406 filament.</title>
        <authors_list>
            <author>Isupov MN</author>
            <author>Gaines M</author>
        </authors_list>
        <keywords>cell surface appendage, beta-strand addition, isopeptide bond, N-glycosylation, beta-sandwich, PROTEIN FIBRIL</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Gaines MC</author>
                    <author order="2">Isupov MN</author>
                    <author order="3">Sivabalasarma S</author>
                    <author order="4">Haque RU</author>
                    <author order="5">McLaren M</author>
                    <author order="6">Mollat CL</author>
                    <author order="7">Tripp P</author>
                    <author order="8">Neuhaus A</author>
                    <author ORCID="0000-0002-6908-0745" order="9">Gold VAM</author>
                    <author ORCID="0000-0003-2459-2226" order="10">Albers SV</author>
                    <author ORCID="0000-0002-3767-264X" order="11">Daum B</author>
                    <title>Electron cryo-microscopy reveals the structure of the archaeal thread filament.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>13</volume>
                    <first_page>7411</first_page>
                    <last_page>7411</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">36456543</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-022-34652-4</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7pnb</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Filament</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>Filament</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="2285">Sulfolobus acidocaldarius</organism>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Sulfolobus acidocaldarius 0406 filament.</name>
                <natural_source database="NCBI">
                    <organism ncbi="2285">Sulfolobus acidocaldarius</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.022291539</theoretical>
                </molecular_weight>
                <number_of_copies>9</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="2285">Sulfolobus acidocaldarius</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNKKRLLLLSVFLVSVFVPVLVADVIYYYQGQITVGNVAPPMYFAIQPNGNAKIGNNSNVPSYINAQPSSGGSGFTAQVN
ITNATYNYYFNFMGLAVSKTGYIYLAKVAYSYTATNNPIQNATLYIMNQQGQIVYKYKLIVNGVVNSTLPSTPLQINSGS
YIVSLLIVPYQGTLPKTPSNDLATITVNFGFSPMTASPPPIPLPSP</string>
                    <external_references type="UNIPROTKB">A0A0U2Y8S3</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>filament</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <buffer>
                        <ph>3.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                    <details>Mixed population of filaments isolated from Sulfolobus acidocaldarius</details>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_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>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>6272</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">42.33</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">31.649</delta_z>
                            <delta_phi units="deg">-103.234</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.46</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                    <number_images_used>188620</number_images_used>
                </final_reconstruction>
                <segment_selection>
                    <number_selected>410270</number_selected>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                            <processing_details>cryoSPARC filament tracer was used to automatically pick particles</processing_details>
                        </software>
                    </software_list>
                </segment_selection>
                <startup_model type_of_model="NONE"/>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="226493">
        <file>emd_13546.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>384</col>
            <row>384</row>
            <sec>384</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>384</x>
            <y>384</y>
            <z>384</z>
        </spacing>
        <cell>
            <a units="Å">402.04803</a>
            <b units="Å">402.04803</b>
            <c units="Å">402.04803</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>-0.015122809</minimum>
            <maximum>1.5670989</maximum>
            <average>0.00060520147</average>
            <std>0.015186864</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.047</x>
            <y units="Å">1.047</y>
            <z units="Å">1.047</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.1638</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-13546::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
                <details>Jligand was used for preparing dictionaries for an unusual sugars and an isopeptide link beween main chain nitrogen of the N-terminal D25
and C gamma of N57 from N-2 monomer in the filament.</details>
                <refinement_space>RECIPROCAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
