<emd emdb_id="EMD-1759" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2010-07-09</deposition>
            <header_release>2010-07-23</header_release>
            <map_release>2010-10-29</map_release>
            <update>2016-04-20</update>
        </key_dates>
        <title>Double helical filaments of an N-terminal thioredoxin fusion of TubZ</title>
        <authors_list>
            <author>Aylett CHS</author>
            <author>Amos LA</author>
            <author>Lowe J</author>
        </authors_list>
        <keywords>Cytoskeleton, DNA segregation, FtsZ, FtsZ-like, pBtoxis, pbt156, plasmid partitioning, RepX, tubulin, tubulin-like, TubZ</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Aylett CHS</author>
                    <author order="2">Wang Q</author>
                    <author order="3">Michie KA</author>
                    <author order="4">Amos LA</author>
                    <author order="5">Lowe J</author>
                    <title>Filament structure of bacterial tubulin homologue TubZ.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
                    <volume>107</volume>
                    <first_page>19766</first_page>
                    <last_page>19771</last_page>
                    <year>2010</year>
                    <external_references type="PUBMED">20974911</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1010176107</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Double helical filament of Trx-TubZ</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Double helical filament of Trx-TubZ</name>
                <details>Negatively stained</details>
                <oligomeric_state>Dimer</oligomeric_state>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="Cytomotive filament">Cytomotive filament</name>
                <natural_source database="NCBI">
                    <organism ncbi="1428">Bacillus thuringiensis</organism>
                    <strain>Serovar israelensis</strain>
                    <cellular_location>Cytoplasm</cellular_location>
                </natural_source>
                <oligomeric_state>Double filament</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                    <recombinant_plasmid>pET28a</recombinant_plasmid>
                </recombinant_expression>
                <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">
                    <concentration units="mg/mL">0.1</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <details>50 mM NaHEPES pH7.5, 150 mM KCl, 5 mM MgCl2 1 mM GTPyS</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>1% Uranyl Acetate</details>
                    </staining>
                    <grid>
                        <details>CuRh 300 mesh</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>NONE</cryogen_name>
                        <instrument>OTHER</instrument>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI 12</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>TUNGSTEN HAIRPIN</electron_source>
                    <acceleration_voltage units="kV">120</acceleration_voltage>
                    <nominal_magnification>67000.0</nominal_magnification>
                    <specimen_holder_model>SIDE ENTRY, EUCENTRIC</specimen_holder_model>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">KODAK SO-163 FILM</film_or_detector_model>
                            <bits_per_pixel>8.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Eucentric</specimen_holder>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <final_reconstruction>
                    <applied_symmetry>
                        <helical_parameters>
                            <axial_symmetry>C2</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">35.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>MRC</name>
                        </software>
                    </software_list>
                    <details>Highest resolution map of three</details>
                </final_reconstruction>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="682">
        <file>emd_1759.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>45</col>
            <row>45</row>
            <sec>86</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>45</x>
            <y>45</y>
            <z>86</z>
        </spacing>
        <cell>
            <a units="&#8491;">198</a>
            <b units="&#8491;">198</b>
            <c units="&#8491;">344</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>Y</fast>
            <medium>X</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-1438.509999999999991</minimum>
            <maximum>1784.529999999999973</maximum>
            <average>-728.807000000000016</average>
            <std>799.323999999999955</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">4.4</x>
            <y units="&#8491;">4.4</y>
            <z units="&#8491;">4</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>200.0</level>
                <source>EMDB</source>
            </contour>
        </contour_list>
        <annotation_details>Double helical filaments of a Thioredoxin N-terminal fusion of TubZ (Q8KNP3_BACTI) from bacillus thuringiensis serovar israelensis (ATCC 35646).
density for the thioredoxin fusion of
TubZ to remove positive density on the outer boundary of the negative
stain and unconnected to the main helix.</annotation_details>
        <details>::::EMDATABANK.org::::EMD-1759::::</details>
    </map>
</emd>