<?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-15119">
    <admin>
        <current_status>
            <date>2023-08-23</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2022-06-08</deposition>
            <header_release>2023-06-21</header_release>
            <map_release>2023-06-21</map_release>
            <update>2023-08-23</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Swiss National Science Foundation</funding_body>
                <country>Switzerland</country>
            </grant_reference>
        </grant_support>
        <title>13pf undecorated microtubule from recombinant human tubulin (alpha1B, beta3) with spliced unmodified C-terminal tail on alpha1B.</title>
        <authors_list>
            <author>Ebberink E</author>
            <author>Fernandes S</author>
            <author ORCID="0000-0003-4382-4459">Hatzopoulos GN</author>
            <author>Agashe N</author>
            <author>Guidotti N</author>
            <author>Reichart T</author>
            <author>Reymond L</author>
            <author>Velluz MC</author>
            <author ORCID="0000-0002-3146-4815">Schneider FZ</author>
            <author>Pourroy C</author>
            <author>Janke C</author>
            <author ORCID="0000-0002-6305-6883">Gonczy P</author>
            <author ORCID="0000-0002-0629-1721">Aumeier C</author>
            <author ORCID="0000-0002-2991-3044">Fierz B</author>
        </authors_list>
        <keywords>tubulin, no tail, recombinant, semisynthetic, STRUCTURAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Ebberink E</author>
                    <author ORCID="0009-0003-3846-1304" order="2">Fernandes S</author>
                    <author ORCID="0000-0003-4382-4459" order="3">Hatzopoulos G</author>
                    <author order="4">Agashe N</author>
                    <author order="5">Chang PH</author>
                    <author order="6">Guidotti N</author>
                    <author ORCID="0000-0002-4015-1925" order="7">Reichart TM</author>
                    <author ORCID="0000-0001-5282-9273" order="8">Reymond L</author>
                    <author order="9">Velluz MC</author>
                    <author ORCID="0000-0002-3146-4815" order="10">Schneider F</author>
                    <author ORCID="0009-0009-1101-126X" order="11">Pourroy C</author>
                    <author order="12">Janke C</author>
                    <author order="13">Gonczy P</author>
                    <author ORCID="0000-0002-2991-3044" order="14">Fierz B</author>
                    <author ORCID="0000-0002-0629-1721" order="15">Aumeier C</author>
                    <title>Tubulin engineering by semi-synthesis reveals that polyglutamylation directs detyrosination.</title>
                    <journal_abbreviation>Nat.Chem.</journal_abbreviation>
                    <country>UK</country>
                    <volume>15</volume>
                    <first_page>1179</first_page>
                    <last_page>1187</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">37386282</external_references>
                    <external_references type="DOI">doi:10.1038/s41557-023-01228-8</external_references>
                    <external_references type="ISSN">1755-4349</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>13pf microtubule from recombinant human tubulin with spliced unmodified C-terminal tail on alpha1B.</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>13pf microtubule from recombinant human tubulin with spliced unmodified C-terminal tail on alpha1B.</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Tubulin alpha-1B with spliced C-terminal tail</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <details>internal 6xHis tag in 40-loop; Spliced C-terminal tail without glutamylation, splicing scar: InsC440 and V441F</details>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRECISIHVG QAGVQIGNAC WELYCLEHGI QPDGQMPSDK TIHHHHHHGGGDDSFN TFFSETGAGK HVPRAVFVDL EPTVIDEVRT GTYRQLFHPE QLITGKEDAA NNYARGHYTI GKEIIDLVLD RIRKLADQCT GLQGFLVFHS FGGGTGSGFT SLLMERLSVD YGKKSKLEFS IYPAPQVSTA VVEPYNSILT THTTLEHSDC AFMVDNEAIY DICRRNLDIE RPTYTNLNRL ISQIVSSITA SLRFDGALNV DLTEFQTNLV PYPRIHFPLA TYAPVISAEK AYHEQLSVAE ITNACFEPAN QMVKCDPRHG KYMACCLLYR GDVVPKDVNA AIATIKTKRS IQFVDWCPTG FKVGINYQPP TVVPGGDLAK VQRAVCMLSN TTAIAEAWAR LDHKFDLMYA KRAFVHWYVG EGMEEGEFSE AREDMAALEK DYEEVGVDSC FEGEGEEEGEEY</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Tubulin beta-3</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <details>C-terminal FLAG-tag</details>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPSGNYVGDSDLQLERISVYYNEASSHKYVPRAILVDLEPGTMDSVRSGAFGHLFRPDNFIFGQSGAGNNWAKGHYTEGAELVDSVLDVVRKECENCDCLQGFQLTHSLGGGTGSGMGTLLISKVREEYPDRIMNTFSVVPSPKVSDTVVEPYNATLSIHQLVENTDETYCIDNEALYDICFRTLKLATPTYGDLNHLVSATMSGVTTSLRFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTARGSQQYRALTVPELTQQMFDAKNMMAACDPRHGRYLTVATVFRGRMSMKEVDEQMLAIQSKNSSYFVEWIPNNVKVAVCDIPPRGLKMSSTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVSEYQQYQDATAEEEGEMYEDDEEESEAQGPKENLYFQSSGGDYKDDDDK</string>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>helicalArray</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <buffer>
                        <ph>6.8</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.6</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON IV (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">50.0</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>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">9.46</delta_z>
                            <delta_phi units="deg">-27.67</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.74</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>115123</number_images_used>
                </final_reconstruction>
                <startup_model type_of_model="INSILICO MODEL"/>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="864001">
        <file>emd_15119.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>600</col>
            <row>600</row>
            <sec>600</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>600</x>
            <y>600</y>
            <z>600</z>
        </spacing>
        <cell>
            <a units="Å">498.0</a>
            <b units="Å">498.0</b>
            <c units="Å">498.0</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>-0.08231881</minimum>
            <maximum>0.23393734</maximum>
            <average>0.0006047964</average>
            <std>0.017694604</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.83</x>
            <y units="Å">0.83</y>
            <z units="Å">0.83</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.054</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-15119::::</label>
        <annotation_details>Human microtubules (alpha1B, beta3) with spliced unmodified C-terminal tail on alpha1B.</annotation_details>
    </map>
    <interpretation>
        <segmentation_list>
            <segmentation>
                <file>emd_15119_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="864001">
                <file>emd_15119_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>600</col>
                    <row>600</row>
                    <sec>600</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>600</x>
                    <y>600</y>
                    <z>600</z>
                </spacing>
                <cell>
                    <a units="Å">498.0</a>
                    <b units="Å">498.0</b>
                    <c units="Å">498.0</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>-0.4535948</minimum>
                    <maximum>0.45566803</maximum>
                    <average>0.00009288766</average>
                    <std>0.05598183</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.83</x>
                    <y units="Å">0.83</y>
                    <z units="Å">0.83</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-15119::::</label>
            </half_map>
            <half_map format="CCP4" size_kbytes="864001">
                <file>emd_15119_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>600</col>
                    <row>600</row>
                    <sec>600</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>600</x>
                    <y>600</y>
                    <z>600</z>
                </spacing>
                <cell>
                    <a units="Å">498.0</a>
                    <b units="Å">498.0</b>
                    <c units="Å">498.0</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>-0.42490795</minimum>
                    <maximum>0.44641745</maximum>
                    <average>0.0000920791</average>
                    <std>0.056312446</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.83</x>
                    <y units="Å">0.83</y>
                    <z units="Å">0.83</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-15119::::</label>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
