<emd emdb_id="EMD-5166" 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>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2010-02-03</deposition>
            <header_release>2010-02-23</header_release>
            <map_release>2010-02-23</map_release>
            <update>2011-09-23</update>
        </key_dates>
        <title>3D reconstruction of a microtubule decorated with monomeric human kinesin (K349 construct) having AMPPNP bound in the nucleotide pocket.</title>
        <authors_list>
            <author>Sindelar CV</author>
            <author>Downing KH</author>
        </authors_list>
        <keywords>kinesin,microtubule,atpase,molecular motor,myosin,mechanism,motility,cytoskeleton</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Sindelar CV</author>
                    <author order="2">Downing KH</author>
                    <title>An atomic-level mechanism for activation of the kinesin molecular motors.</title>
                    <journal>PROC.NAT.ACAD.SCI.USA</journal>
                    <volume>107</volume>
                    <first_page>4111</first_page>
                    <last_page>4116</last_page>
                    <year>2010</year>
                    <external_references type="PUBMED">20160108</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.0911208107</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Microtubule decorated with monomeric human kinesin (K349 construct) having AMPPNP bound in the nucleotide pocket.</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Microtubule decorated with monomeric human kinesin (K349 construct) having AMPPNP bound in the nucleotide pocket.</name>
                <number_unique_components>2</number_unique_components>
            </sample_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="Monomeric human kinesin construct">K349</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">unidentified</organism>
                </natural_source>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <sequence />
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name synonym="Microtubule">Microtubule</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">unidentified</organism>
                </natural_source>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <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>6.8</ph>
                        <details>25mM Pipes, 25mM NaCl, 2mM MgCl2, 1mM EGTA</details>
                    </buffer>
                    <grid>
                        <details>300 mesh copper grid with homemade holey carbon</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>HOMEMADE PLUNGER</instrument>
                        <details>Vitrification instrument: Homemade</details>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_microscopy microscopy_id="1">
                    <microscope>JEOL 4000EX</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">400</acceleration_voltage>
                    <nominal_cs units="mm">4.1</nominal_cs>
                    <nominal_defocus_min units="&#181;m">0.7</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">1.6</nominal_defocus_max>
                    <nominal_magnification>60000.0</nominal_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_average units="K">105</temperature_average>
                    </temperature>
                    <date>2008-01-21</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                                <sampling_interval units="&#181;m">6.35</sampling_interval>
                            </digitization_details>
                            <number_real_images>98</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">15</average_electron_dose_per_image>
                            <bits_per_pixel>16.</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>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">9.1</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER,FREALIGN</name>
                        </software>
                    </software_list>
                    <details>Approximately 190,000 asymmetric units were averaged in the final reconstruction.</details>
                </final_reconstruction>
                <ctf_correction>
                    <details>done within FREALIGN</details>
                </ctf_correction>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="169">
        <file>emd_5166.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>35</col>
            <row>35</row>
            <sec>35</sec>
        </dimensions>
        <origin>
            <col>49</col>
            <row>-15</row>
            <sec>7</sec>
        </origin>
        <spacing>
            <x>35</x>
            <y>35</y>
            <z>35</z>
        </spacing>
        <cell>
            <a units="&#8491;">74.0845</a>
            <b units="&#8491;">74.0845</b>
            <c units="&#8491;">74.0845</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-0.0604785</minimum>
            <maximum>0.171181</maximum>
            <average>0.0121831</average>
            <std>0.0332382</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">2.1167</x>
            <y units="&#8491;">2.1167</y>
            <z units="&#8491;">2.1167</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.051</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>3D reconstruction of a microtubule decorated with monomeric human kinesin (K349 construct) with AMPPNP bound in the nucleotide pocket.</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5166::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1mkj</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF Chimera</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body. Regions in the crystal structure whose structure were found to differ from the EM map were excluded from the fitting procedure. These regions corresponded to the switch loops, helices alpha 3 and alpha 4 (switch II helix), and the neck linker.</details>
                <target_criteria>Cross correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <figure_list>
            <figure>
                <file>emd_5166.jpg</file>
            </figure>
        </figure_list>
    </interpretation>
</emd>